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7/23/2019 Pressure Gauge Catalogue
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04, B a y o n e t
t y p e b e
z e l,
W / P t o I P - 6 7
a s p e
r I S : 1 3
9 4 7
B l o w o u
t d i s c
S 3 1 6 L D i a
p h r a g m
P G C S U
F l a n g e
Ø 1
1 2
4 7
AN ISO 9001:2000 COMPANY
PRESSURE G UGES ND
DIFFERENTI L PRESSURE G UGES
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7/23/2019 Pressure Gauge Catalogue
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PRESSURE GAUGES
AN ISO 9001:2000 COMPANY
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Bourdon SensingPressure Gauges
Liquid FilledPressure Gauges
Safety PatternSolid FrontPressure Gauges
Capsule SensingPressure Gauges
Diaphragm SensingPressure Gauges
Bourdon SensingPressure Gauges -250mm
15Receiver Gauges
3
9
Hygiene Gauges
23Bourdon SensingPressure Gauges -40 - 50-63
25
5
MasterPressure Gauges
AbsolutePressure Gauges
19
11
Chemical /Diaphragm Seal Unit27
7
IndicatingPressure Switches
21
Accessories
30
17
13
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Gauge System Bar, kg/cm2 Least count
Vacuum PB, SS (-)1 to 0 0.02
Compound PB, SS (-)1 to 0.6 0.05
PB, SS (-)1 to 1.5 0.05
PB, SS (-)1 to 3 0.10
PB, SS (-) 1 to 5 0.10
PB, SS (-)1 to 9 0.20
PB, SS (-)1 to 15 0.50
PB, SS (-)1 to 24 0.50
PB, SS (-)1 to 39 1.0
Pressure PB, SS 0 to 0.4 0.01
Gauge PB, SS 0 to 0.6 0.01
(‘C’ shaped PB, SS 0 to 1 0.02
Bourdon) PB, SS 0 to 1.6 0.05
PB, SS 0 to 2.5 0.05
PB, SS 0 to 4 0.10
PB, SS 0 to 6 0.10PB, SS 0 to 10 0.20
PB, SS 0 to 16 0.50
PB,SS 0 to 25 0.50
PB,SS 0 to 40 1.0
SS 0 to 60 1.0
SS 0 to 100 2.0
Pressure SS 0 to 160 5.0
Gauge SS 0 to 250 5.0
Coil type SS 0 to 400 10.0
Bourdon SS 0 to 600 10.0
SS 0 to 800 20.0
SS 0 to 1000 20.0
SS 0 to 1600 50.0For range other then above please contact our design dept.
Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
www.general-gauges.com 3
²
± ²
Compliance to latest EN-837 standardRange : (-) 1 to 1600 kg/cmBourdon in SS316 Ti as standard providingbetter mechanical properties guaranteeingrepeatability and accuracyAccuracy ± 1% FSD (Standard), 0.5% FSD on requestUnit of measurement - kg/cm , bar,PSI, KPa, mbar
Features
Bourdon Sensing Pressure Gauges
Ref. Standard EN-837Dial 100 mm / 150 mm in Aluminium, white background,
black markingsCase Diecast aluminium with screwed bezel, epoxy painted
black / SS304 with bayonet bezel (SS316 on request)Phenol with screwed bezelProtection IP-68 (IS :13947 Part I)Bourdon Phosphor Bronze, SS316 Ti / SS316L, MonelSocket 22mm Square in brass, SS316, SS316 Ti /
SS316L, MonelMovement Brass, SS304, SS316Range As EN 837 (refer table 1) minimum span 0.4 kg/cm2,
maximum 1600 kg/cm2Connection 1/2" NPT (M) as standard (other optional)Accuracy ± 1% FSD (0.5% on request)Overrange 130% FSD (other on request)Suitability (-) (service temperature)Zero adjustment Micrometer pointer (internal)
Blow out disc Provided (on top)Optional IBR certification
Maxima pointer NACE complianceExternal zero settingIntegral Dampener Swivel connection to facilitate rotation and in turn positioning of pressure gauge
20°C to 80°C
Note Non ferrous system is recommended up to 40 kg/cm²g
Table 1Specifications
MODEL : BSPG
System Bourdon Socket Movement
Ph. Bronze
SS316
BrassPB
SS
Monel
Brass
Monel Monel
SS304
SS304
SS316
Pressure Gauges intended for Process Industries such as Chemicals, Petro-chemicals,Energy or Gas industry, Food processing, Nuclear etc.These pressure gauges have been designed to satisfy requirements to operate in
aggressive environment.
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**For Flanged Process Connection refer the table (mentioned separately)
Back Entry, Local Mounting
S Bottom Entry, Surface Mounting
Back Entry, Flush Panel Mounting
C
MOUNTING
Bottom Entry, Local MountingV
P
MOVEMENT2 - Brass
4 - SS304
6 - SS316
CASE
Die-cast Aluminium
SS304
SS316
S4
S6
AL
Phenol*PH
SS316 / SS316
SS316L / SS316L
Monel / Monel
SS316Ti/SS316Ti
L
M
T
S
Phosphor Bronze / BrassP
BOURDON/ SOCKET
10 - 100 mm 15 - 150 mm
DIAL
Size Code Rating Code Facing Code150#
300#
600#
900#
1500#
2500#
RF
FF
RTJ
LT
LG
½”
¾”
1”
1½”
2”
3”
A
B
C
D
E
F
RF
FF
RTJ
LT
LG
15
20
25
40
50
80
F - FLANGED PROCESS CONNECTION **
Ordering Information
MODEL : BSPG
B Back Entry, Surface Mounting
Refer Table 1
RANGE
A
B
C
D
E
F
kg/cm2 (g)
Bar (g)
PSI
KPa
mmHg
Pl. specify
UNIT
Chemical Seal Unit-Refer
Catalogue CSU
Accessory - Refer
Catalogue ACC
E
CEC
A
L
Y
I
O
R
F
N
M
Colour band
+/- 0.5% Accuracy
CE Certificate
External Zero reset
(for Al, S4 and S6 case)
Flanged process connection **
IBR
Maxima Pointer
NACE-MR-01-75
O Cleaning2
150% over range
Nil
OPTION
Integral Dampener
X
U
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 233 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
www.general-gauges.com4
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
D Dual Scale
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Gauge System Bar, kg/cm2 Least count
Vacuum PB, SS (-)1 to 0 0.02
Compound PB, SS (-)1 to 0.6 0.05
PB, SS (-)1 to 1.5 0.05
PB, SS (-)1 to 3 0.10
PB, SS (-) 1 to 5 0.10
PB, SS (-)1 to 9 0.20
PB, SS (-)1 to 15 0.50
PB, SS (-)1 to 24 0.50
PB, SS (-)1 to 39 1.0
Pressure PB, SS 0 to 0.4 0.01
Gauge PB, SS 0 to 0.6 0.01
(‘C’ shaped PB, SS 0 to 1 0.02
Bourdon) PB, SS 0 to 1.6 0.05
PB, SS 0 to 2.5 0.05
PB, SS 0 to 4 0.10
PB, SS 0 to 6 0.10PB, SS 0 to 10 0.20
PB, SS 0 to 16 0.50
PB,SS 0 to 25 0.50
PB,SS 0 to 40 1.0
SS 0 to 60 1.0
SS 0 to 100 2.0
Pressure SS 0 to 160 5.0
Gauge SS 0 to 250 5.0
Coil type SS 0 to 400 10.0
Bourdon SS 0 to 600 10.0
SS 0 to 800 20.0
SS 0 to 1000 20.0
SS 0 to 1600 50.0
Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
5
²
Accuracy ± 1% FSD (Standard), ± 0.5% FSD on request ²
Compliance to latest EN-837 standardRange : (-) 1 to 1600 kg/cmBourdon in SS316 Ti as standard providingbetter mechanical properties guaranteeingrepeatability and accuracy
Unit of measurement - kg/cm , bar,PSI, KPa, mbarFilling fluid - Glycerine / Silicon oil / Halo Carbon
Features
Liquid Filled Pressure Gauges
Ref. Standard EN-837Dial 100 mm / 150 mm in Aluminium, white background,
black markingsCase SS304 with bayonet bezel (SS316 on request)Protection
IP-68 (IS :13947 Part I)Bourdon Phosphor Bronze, SS316 Ti / SS316L, MonelSocket 22mm in brass, SS316, SS316 Ti /
SS316L, MonelMovement Brass, SS304, SS316Range As EN 837 (refer table 1) minimum span 0.4 kg/cm2,
maximum 1600 kg/cm2Connection 1/2" NPT (M) as standard (other optional)Accuracy ± 1% FSD (0.5% on request)Overrange 130% FSD (other on request)Suitability (-) 20°C to 80°C (service temperature)Zero adjustment Micrometer pointer (internal)Blow out disc Provided (on top)Optional IBR certification
NACE complianceExternal zero setting
connection to facilitate rotation and in turn positioning of pressure gauge
Square
Integral Dampener Swivel
Note Non ferrous system is recommended up to 40 kg/cm²gGlycerine filled guages are not recommended for oxidising services.
Table 1Specifications
MODEL : LFBSPG
Rugged, liquid filled pressure gauges, especially designed for Hydraulic
Systems, Pumps, Compressors, Diesel Engines, Agricultural equipment,Machine tools etc.
Excellent resistance to vibration & corrosive ambient conditions.
For range other then above please contact our design dept.
System Bourdon Socket Movement
Ph. Bronze
SS316
BrassPB
SS
Monel
Brass
Monel Monel
SS304
SS304
SS316
www.general-gauges.com
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Ordering Information
MODEL : LFBSPG
MOUNTING
Back Entry, Local Mounting
S Bottom Entry, Surface Mounting
Back Entry, Flush Panel Mounting
C
Bottom Entry, Local MountingV
P
B Back Entry, Surface Mounting
SS304
SS316
S4
S6
Silicon oil
HalocarbonH
S
GlycerineG
10 - 100 mm 15 - 150 mm
DIAL
CASE
FILLING FLUID
MOVEMENT
2 - Brass
4 - SS304
6 - SS316
BOURDON/
SS316 / SS316
SS316L / SS316L
Monel / Monel
SS316Ti/SS316Ti
L
M
T
SPhosphor Bronze / BrassP
SOCKET
CONNECTION
SIZE MALE / FEMALE
MaleFemale106
15
25
20
32
FM
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BPNT
BT
GS
PF
NS
NPTBSP
BSPT
PF
Gas
NPSM
RANGE
Refer Table 1
UNITA
BC
D
E
F
kg/cm2 (g)
Bar (g)PSI
KPa
mmHg
Pl. specify
Size Code Rating Code Facing Code150#
300#
600#
900#
1500#
2500#
RF
FF
RTJ
LT
LG
½”
¾”
1”
1½”
2”
3”
A
B
C
D
E
F
RF
FF
RTJ
LT
LG
15
20
25
40
50
80
F - FLANGED PROCESS CONNECTION **
6 www.general-gauges.com
OPTION
L
I IBR
Nil
Colour band
D Dual Scale
External Zero reset
C
+/- 0.5% AccuracyA
E
F Flanged process connection **
O
R
N NACE-MR-01-75
O Cleaning2
150% over range
CE CE Certificate
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
Chemical Seal Unit-Refer
Catalogue CSU
Accessory - Refer
Catalogue ACC
Y Integral Dampener
X
U
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Safety patternAll SS construction
Theses Pressure Gauges are well suited for the ProcessIndustries such as Chemicals, Petro-chemicals, Energy orGas industry, Food processing, Nuclear etc.These version have been developed with solid baffle wall and blowout back which immediately releases in the event of accidental tube rupture .
Dial 100/150 mm, aluminium, white background, blackmarkings
Case SS304, SS316 with bayonet bezelProtection Weatherproof to IP-68 ( IS : 13947 part I )60529Ref. standard
EN 837Bourdon SS316 Ti, SS316L, MonelSocket 22 mm in SS 316, SS316L, SS316 Ti, MonelMovement SS304, SS316Range As EN 837 (refer table-1) minimum span
0.4 kg/cm2, maximum 1600 kg/cm2gAccuracyOver range 130% FSD
Optional NACE compliancefilled case
External zero setting mechanism
Square
± 1% FSD (0.5% on request)
Suitability (-) 20°C to 80°C (service temperature)Zero adjustment Micrometer pointer (internal)
Liquid
Features
Specifications
Safety Pattern- Pr. GaugesSolid Front
MODEL : SFBSPG
Gauge System Bar, kg/cm2 Least count
Vacuum PB, SS (-)1 to 0 0.02
Compound PB, SS (-)1 to 0.6 0.05
PB, SS (-)1 to 1.5 0.05
PB, SS (-)1 to 3 0.10
PB, SS (-) 1 to 5 0.10
PB, SS (-)1 to 9 0.20
PB, SS (-)1 to 15 0.50
PB, SS (-)1 to 24 0.50
PB, SS (-)1 to 39 1.0
Pressure PB, SS 0 to 0.4 0.01
Gauge PB, SS 0 to 0.6 0.01
(‘C’ shaped PB, SS 0 to 1 0.02
Bourdon) PB, SS 0 to 1.6 0.05
PB, SS 0 to 2.5 0.05
PB, SS 0 to 4 0.10
PB, SS 0 to 6 0.10PB, SS 0 to 10 0.20
PB, SS 0 to 16 0.50
PB,SS 0 to 25 0.50
PB,SS 0 to 40 1.0
SS 0 to 60 1.0
SS 0 to 100 2.0
Pressure SS 0 to 160 5.0
Gauge SS 0 to 250 5.0
Coil type SS 0 to 400 10.0
Bourdon SS 0 to 600 10.0
SS 0 to 800 20.0
SS 0 to 1000 20.0
SS 0 to 1600 50.0
Table 1
For range other then above please contact our design dept.
Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
7www.general-gauges.com
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Ordering Information
MODEL : SFBSPG
MOVEMENT
2 - Brass4 - SS304
6 - SS316
SS316 / SS316
SS316L / SS316L
Monel / Monel
SS316Ti/SS316Ti
L
M
T
S
Phosphor Bronze / BrassP
BOURDON/ SOCKET
MOUNTING
DIAL10 - 100 mm 15 - 150 mm
Back Entry, Local MountingC
Bottom Entry, Local MountingV
B Back Entry, Surface Mounting
CASESS304
SS316
S4
S6
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
** For Flanged Process Connection refer the table (mentioned separately)* For surface mounting, min 20 mm gap is recommended
RANGESpecify from Table 1
minimum 0 - 0.4 kg/cm2g
A
B
C
D
E
F
kg/cm2 (g)
Bar (g)
PSI
KPa
mmHg
specify
UNIT
OPTION
Chemical Seal Unit-Refer
Catalogue CSU
Accessory - Refer
Catalogue ACC
X
U
F
I
L
D
C
A
O
R
N
M
Colour band
+/- 0.5% Accuracy
Dual Scale
Flanged process connection **
IBR
Nil
Maxima Pointer
NACE-MR-01-75
O Cleaning2
150% over range
E External Zero reset
Silicon oil Filled CaseS
Glycerine Filled CaseG
Size Code Rating Code Facing Code
150#
300#
600#
900#
1500#
2500#
RF
FF
RTJ
LT
LG
½”
¾”
1”
1½”
2”
3”
A
B
C
D
E
F
RF
FF
RTJ
LT
LG
15
20
25
40
50
80
F - FLANGED PROCESS CONNECTION **
S Bottom Entry, Surface Mounting
8 www.general-gauges.com
CE CE Certificate
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
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Features
Table 3Specifications
Capsule Sensing Pressure Gauges
Low range with high accuracyAll SS internalsAccuracy ±1% FSDCompact design avoids use of bulky manometers
Ingress protection class IP-67
These Pressure Gauges are well suited for low pressure measurement.The sensing Element Capsule, is made of 2 Stainless Steel
Laser-welded Diaphragms.
Dial 100 mm, 150 mm Aluminiumwhite background, black figures
Case Diecast aluminium with screwed bezel / SS304,SS316 with bayonet bezel
PointerLight weight, balanced, aluminiumProtection IP-68 (IS : 13947 Part I )
Capsule SS316L (made of two SS 316L diaphragmslaser-welded )
Socket SS316 / SS316LMovement FineConnection 1/2"NPT (M) as standard (other optional )Range Refer table- 3Accuracy ±1% FSDOver range 110% FSD Standard, Other on requestZero reset Provided (Internal)Blow out disc Provided
Range in mm WC
0-60
0-100
0-150
0-250
0-400
0-500
0-600
0-750
0-1000
0-1600
0-2000
0-2500
0-4000
0-6000(-)25 to (+)25
(-)40 to (+)60
(-)200 to 200
(-)100 to 100
(+)
(+)
MODEL : CSPG
Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
9www.general-gauges.com
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Ordering Information
MODEL : CSPG
MOUNTING
Back Entry, Local Mounting
S Bottom Entry, Surface Mounting
Back Entry, Flush Panel Mounting
C
Bottom Entry, Local MountingV
P
B Back Entry, Surface Mounting
DIAL10 - 100 mm 15 - 150 mm
CASEDie-cast Aluminium
SS304
SS316
S4
S6
AL
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
2520
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 233 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GSPF
NS
NPT
BSP
BSPT
PFGas
NPSM
RANGE
UNIT
Refer Table 3
A
B
mm WC
specify
OPTION
Accessory - Refer
Catalogue ACC
D
C
L
O
N
Colour band
Dual Scale
NACE-MR-01-75
O Cleaning2
Nil
X
E External zero reset
10 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
7/23/2019 Pressure Gauge Catalogue
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Dial 100/150mm, aluminium , black marking on whitebackground
Case Diecast aluminium with screwed bezel / SS304, SS316with bayonet bezel
ProtectionIP-68 (IS : 13947 part I)Top Flange CS/SS304/SS316
Diaphragm SS316, PTFE lined SS316(other material optional)
Bottom flange SS304/SS316, SS316 + PTFE Block,PTFE lined SS316 (other material optional)
Connection 1/2" NPT (M) or flanged (specify size & rating)Range Refer table - 2Accuracy ±2% FSD (1.6% FSD on request)Over range 120% FSDZero adjustment Micrometer pointer Blow out disc ProvidedOptional 1) Flushing connection on the bottom flange to
facilitate cleaning
2) Glycerine / Silicon oil filled SS304 or SS316 case3) Solid front SS304 or SS316 case4)Special Construction for withstand high design
pressure
Note 1) PTFE block construction possible in flangeconnection alone.
2) PTFE moulded I sections for flanged connections
Features
Table 2Specifications
Diaphragm Sensing Pressure Gauges
0-250 mm WC (-) 250 to 0 mm WC
0-400 mm WC (-) 400 to 0 mm WC
0-600 mm WC (-) 600 to 0 mm WC
0-1000 mm WC (-) 1000 to 0 mm WC
0-1600 mm WC (-) 1600 to 0 mm WC
0-2500 mm WC (-) 2500 to 0 mm WC
0-4000 mm WC (-) 4000 to 0 mm WC
0-6000 mm WC (-) 6000 to 0 mm WC
0-1.0 Bar or 0-10000 mm WC (-) 10000 to 0 mmWC
Special combination for compound ranges available.
MODEL : DSPG
Compliance to latest EN-837 standardRange : (-) 10000 to (+)10000 mmWC
Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
11www.general-gauges.com
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Ordering Information
MODEL : DSPG
MOUNTING
Monel 400
Hastelloy B
Hastelloy C
Titanium
DIAPHRAGMSS316
SS316L
SS316Ti
SS316+PTFE
S6
M4
SL
HB
HC
ST
SP
TI
Monel 400
Hastelloy B
Hastelloy C
Titanium
Nickel
BOTTOM CHAMBERSS316
SS316L
SS316Ti
SS316+PTFE
Inconel 600
Inconel 625
S6 M4
SL HB
HCST
SP
16
15
TI
NI
TOP CHAMBER
SS304S4
CSC
CASEDie-cast Aluminium
SS304
SS316
S4
S6
AL
DIAL
S Bottom Entry, Surface Mounting
Bottom Entry, Local MountingV
V/SFBottom Entry, Local Mounting
with solid front case
Bottom Entry, Bracket Mounting
with solid front case
S/ SF
SS316S6
TantalumNickel
TANI
10 - 100 mm 15 - 150 mm
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
RANGE
UNIT
Refer Table 2
A
B
mm WC
specify
OPTION
Accessory - Refer
Catalogue ACC
L
G
O
S
F
N
M
Flanged process connection **
Glycerine Filled Case
Maxima Pointer
NACE-MR-01-75
O Cleaning2
Silicon Oil Filled Case
Nil
E
D
+/- 1.6% Accuracy
C
A
Colour band
Dual Scale
External Zero reset
R 150% over range
X
FC flushing connection #
Size Code Rating Code Facing Code
150#
300#
600#
900#
1500#
2500#
RF
FF
RTJ
LT
LG
½”
¾”
1”
1½”
2”
3”
A
B
C
D
E
F
RF
FF
RTJ
LT
LG
15
20
25
40
50
80
F - FLANGED PROCESS CONNECTION **
# Pl. conform the size for the flushing connection** For Flanged Process Connection refer the table (mentioned separately)
12 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
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Gauge System Bar, kg/cm2 Least count
Vacuum PB, SS (-)1 to 0 0.02
Compound PB, SS (-)1 to 0.6 0.05
PB, SS (-)1 to 1.5 0.05
PB, SS (-)1 to 3 0.10
PB, SS (-) 1 to 5 0.10
PB, SS (-)1 to 9 0.20
PB, SS (-)1 to 15 0.50
PB, SS (-)1 to 24 0.50
PB, SS (-)1 to 39 1.0
Pressure PB, SS 0 to 0.4 0.01
Gauge PB, SS 0 to 0.6 0.01
(‘C’ shaped PB, SS 0 to 1 0.02
Bourdon) PB, SS 0 to 1.6 0.05
PB, SS 0 to 2.5 0.05
PB, SS 0 to 4 0.10
PB, SS 0 to 6 0.10PB, SS 0 to 10 0.20
PB, SS 0 to 16 0.50
PB,SS 0 to 25 0.50
PB,SS 0 to 40 1.0
SS 0 to 60 1.0
SS 0 to 100 2.0
Pressure SS 0 to 160 5.0
Gauge SS 0 to 250 5.0
Coil type SS 0 to 400 10.0
Bourdon SS 0 to 600 10.0
SS 0 to 800 20.0
SS 0 to 1000 20.0
SS 0 to 1600 50.0
Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
13
²
Accuracy ± 1% FSD (Standard), ± 0.5% FSD on request ²
Compliance to latest EN-837 standardRange : (-) 1 to 1600 kg/cmBourdon in SS316 Ti as standard providingbetter mechanical properties guaranteeingrepeatability and accuracy
Unit of measurement - kg/cm , bar, PSI, KPa, mbar
Features
Bourdon Sensing Pr. Gauges - 250mm
Ref. Standard EN-837Dial 250 mm in Aluminium, white background,
black markingsCase Diecast aluminium with screwed bezel, epoxy painted
black / SS304 with bezel (SS316 on request)Protection IP-68 (IS :13947 Part I)Bourdon Phosphor bronze, SS316 Ti / SS316L, MonelSocket 22mm in brass, SS316, SS316 Ti /
SS316L, MonelMovement Brass, SS304, SS316Range As EN 837 (refer table 1) minimum span 0.4 kg/cm2,
maximum 1600 kg/cm2Connection 1/2" NPT (M) as standard (other optional)Accuracy (± 0.5% on request)Overrange 130% FSD (other on request)Suitability (-) (service temperature)Zero adjustment Micrometer pointer (internal)Blow out disc Provided (on top)
Optional IBR certificationNACE compliance
connection to facilitate rotation and in turn positioning of pressure gauge
screwed
Square
± 1.0% FSD standard FSD
20°C to 80°C
Swivel
Integral Dampener Note Non ferrous system is recommended up to 40 kg/cm²g
Table 1Specifications
MODEL : BSPG25
For range other then above please contact our design dept.
System Bourdon Socket Movement
Ph. Bronze
SS316
BrassPB
SS
Monel
Brass
Monel Monel
SS304
SS304
SS316
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Ordering Information
MODEL : BSPG25
MOUNTING
Back Entry, Local Mounting
S Bottom Entry, Surface Mounting
Back Entry, Flush Panel Mounting
C
Bottom Entry, Local MountingV
P
Die-cast Aluminium
SS304
SS316
S4
S6
AL
B Back Entry, Surface Mounting
CASE
BOURDON/ SOCKET
SS316 / SS316
SS316L / SS316L
Monel / Monel
SS316Ti/SS316Ti
L
M
T
S
Phosphor Bronze / BrassP
MOVEMENT2 - Brass
4 - SS304
6 - SS316
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
RANGE
Refer Table 1
UNITA
BC
D
E
F
kg/cm2 (g)
Bar (g)PSI
KPa
mmHg
Pl. specify
OPTION
Chemical Seal Unit-Refer
Catalogue CSU
Accessory - Refer
Catalogue ACC
E
D
C
L
I
O
R
F
N
Colour band
A +/- 0.5% Accuracy
Dual Scale
External Zero reset
Flanged process connection **IBR
NACE-MR-01-75
O Cleaning2
150% over range
Nil
X
U
**For Flanged Process Connection refer the table (mentioned separately)
Size Code Rating Code Facing Code
150#
300#
600#
900#
1500#
2500#
RF
FF
RTJ
LT
LG
½”
¾”
1”
1½”
2”
3”
A
B
C
D
E
F
RF
FF
RTJ
LT
LG
15
20
25
40
50
80
F - FLANGED PROCESS CONNECTION **
14 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
Y Integral Dampener
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
15
² ±
Suitable for receiving pneumatic signals of level and flow transmittersCompliance to latest EN-837 standardInput Range : 0.2 to 1 kg/cm OR 3 to 15 psiAccuracy 1% FSD
Features
Receiver Gauges
Ref. Standard EN-837Dial 100 mm / 150 mm in Aluminium, white background,
black markingsCase Diecast aluminium with screwed bezel, epoxy painted
black / SS304 with bayonet bezel (SS316 on request)Phenol with screwed bezelProtection IP-68 (IS :13947 Part I)Bourdon Phosphor Bronze, SS316 Ti / SS316LSocket 22mm in brass, SS316, SS316 Ti /
SS316LMovement Brass, SS304, SS316Input Range
Connection 1/2" NPT (M) as standard (other optional)Accuracy ± 1% FSDOverrange 130% FSD (other on request)Suitability (-) (service temperature)Zero adjustment Micrometer pointer (internal)
Blow out disc Provided (on top)
Square
0.2 to 1 kg/cm² OR 3 to 15 PSIScale 0 - 100% Linear OR 0 - 10 Sq. root OR 0 - 100% Sq. root
20°C to 80°C
Specifications
MODEL : RG
System Bourdon Socket Movement
Ph. Bronze
SS316
BrassPB
SS
Brass
SS304SS316
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MOUNTING
DIAL
CASE
BOURDON/SOCKET
MOVEMENT
15 - 150 mm10 - 100 mm
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
Ordering Information
MODEL : RG
Back Entry, Local Mounting
S Bottom Entry, Surface Mounting
Back Entry, Flush Panel Mounting
C
Bottom Entry, Local MountingV
P
B Back Entry, Surface Mounting
Die-cast Aluminium
SS304
SS316
S4
S6
AL
Phenol*PH
SS316 / SS316
SS316L / SS316LL
S
Phosphor Bronze / BrassP
SS316Ti/SS316TiT
2 - Brass
4 - SS304
6 - SS316
1 0.2 - 1 kg/ cm²
2 0.2 - 1 Bar
3 3 - 15 PSI
INPUT RANGE
SCALE
1 0 - 100% Linear 2 0 - 10 Sq. root
3 0 - 100% Sq. root
4 Other - Pl. Specify
OPTION
L
S
O
R
N NACE-MR-01-75
O Cleaning2
150% over range
Nil
Integral Dampner Accessory - Refer
Catalogue ACC
X
16 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
www.general-gauges.com 17
Compliance to latest EN-837 standardRange : 760-0 mmHgCapsule/Bellow in SS316 as standard providingbetter mechanical properties guaranteeing
repeatability and accuracyAccuracy ± 1% FSDUnit of measurement - mmHg, mmWC
Features
Absolute Pressure Gauges
Ref. Standard EN-837Dial 150 mm in Aluminium, white background,
black markingsCase Diecast aluminium / Ss304 / SS316 with screwed
bezelProtection IP-68 (IS :13947 Part I)Sensor Capsule / Bellow in SS316Socket 22mm Square in SS316Movement Brass, SS304, SS316Connection 1/2" NPT (M) as standard (other optional)Accuracy ± 1% FSDOverrange 130% FSD (other on request)Suitability (-) (service temperature)Zero adjustment ExternalOptional NACE compliance
20°C to 80°C
Specifications
MODEL : APG
Why Absolute Pressure Gauge?
The atmospheric pressure varies from place to place depending up on
the altitude of the location and prevailing weather conditions. In such
variable conditions, precise pressure measurement can be arrived only
if a fixed (un-changing) reference point is established.
For this purpose we have developed element of Twin Bellows, one of
the same is totally evacuated and sealed, which shall be the reference
point for calibration i.e. Absolute Zero. These twin bellows areconnected through a special type of movement, by which any change
in the atmospheric pressure is compensated, and thereby the gauge
gives the absolute pressure irrespective of the location.
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www.general-gauges.com18
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
**For Flanged Process Connection refer the table (mentioned separately)
Back Entry, Local Mounting
S Bottom Entry, Surface Mounting
Back Entry, Flush Panel Mounting
C
MOUNTING
Bottom Entry, Local MountingV
P
MOVEMENT2 - Brass
4 - SS304
6 - SS316
CASE
Die-cast Aluminium
Ss304
SS316
S4
S6
AL
SS316
CAPSULE/BELLOW
15 - 150 mm
DIAL
Size Code Rating Code Facing Code150#
300#
600#
900#
1500#
2500#
RF
FF
RTJ
LT
LG
½”
¾”
1”
1½”
2”
3”
A
B
C
D
E
F
RF
FF
RTJ
LT
LG
15
20
25
40
50
80
F - FLANGED PROCESS CONNECTION **
Ordering Information
MODEL :APG
B Back Entry, Surface Mounting
Refer Table 1
RANGE
A
B
C
D
E
F
kg/cm2 (a)
Bar (a)
PSI
KPa
mmHg(a)
Pl. specify
UNIT
Accessory - Refer
Catalogue ACC
N NACE-MR-01-75
OPTION
X
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 233 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
D Dual Scale
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
19
Features
Specifications
Master Pressure Gauges
Accuracy class ± 0.25%Rugged construction1.2 fold overrange capabilityTraceability to national/international standard / laboratory
Ref. Standard EN 837Normal size 150 mm / 250 mmCase Diecast aluminium / SS304Bezel Aluminium / SS304Dial
Anti parallax mirror type, white, with black markings.Window Instrument glassPointer Balanced knife edgeMeasuring element Bourdon in SS316 TiMovement Precision brass, jewel bearingsConnection 1/2" NPT (M), bottom or back eccentric in brass or
SS316Range 760 mm Hg Vac upto 600 bar g
(Refer table -1 of Bourdon Sensing Pressure Gauge )Scale Bar (g), kg/cm2g, PSI (dual scale)Accuracy ± 0.25%Overrange 1.2 times maximum rating for short durationSuitability Media up to 50°C
ambient (-) 25°C to 60°C
Option Pressure comparator bench can be supplied.Pressure comparator bench consists ofpressure raising by screw press, reservoirfor filling the system.The pressure is released to atmosphere by openingvalve between reservoir and the system after screwpress has been reversed to lower pressure. It hasmaintenance free operation.
MODEL : MPG
Range least Count
(-)1 to 0 0.005 0.005
(-)1 to 0.6 0.01 0.005
(-)1 to 1.5 0.02 0.01
(-)1 to 3 0.02 0.02
(-) 1 to 5 0.05 0.02
(-)1 to 9 0.05 0.05
(-)1 to 15 0.1 0.05
(-)1 to 24 0.2 0.1
(-)1 to 39 0.2 0.2
Bar, kg/cm2 NG 150 NG250
0 to 1 0.005 0.005
0 to 1.6 0.01 0.005
0 to 2.5 0.02 0.01
0 to 4 0.02 0.02
0 to 6 0.05 0.02
0 to 10 0.05 0.050 to 16 0.1 0.05
0 to 25 0.2 0.1
0 to 40 0.2 0.2
0 to 60 0.5 0.2
0 to 100 0.5 0.5
0 to 160 1.0 0.5
0 to 250 2.0 1.0
0 to 400 2.0 2.0
0 to 600 5.0 2.0
Table 1
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20
Ordering Information
MODEL : MPG
MOUNTING
DIAL
CASE
Back Entry, Local Mounting
S Bottom Entry, Surface Mounting
Back Entry, Flush Panel Mounting
C
Bottom Entry, Local MountingV
P
15 - 150 mm
25 - 250 mm
Die-cast Aluminium
SS304S4
AL
Back Entry, Surface MountingB
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
2520
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GSPF
NS
NPT
BSP
BSPT
PFGas
NPSM
RANGE
Refer Table 1
UNITA
B
C
D
E
F
kg/cm2 (g)
Bar (g)
PSI
KPa
mmHg
specify
OPTION
P Pressure Comparator Bench
Accessory - Refer
Catalogue ACC
X
www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
21
MODEL : IPSH
Indicating Pressure Switches
Features
Specifications
Combination of indication and switchChoice of electrical contacts and microswitchOne or two contacts possibleSwitch setting throughout the range externallyHigh repeatability and low hysteresisWeatherproof or Flameproof housingMil connector provided optionally.
Dial 100 mm / 150 mm, aluminium, white background, black markingsCase Diecast aluminium with screwed bezel
SS304, SS316 with bayonet bezelProtection Weatherproof to IP - 68 (IS 13947 part I)
Flameproof to IIA IIB (equivalent to NEC C1. I, Div. 2, Gr. C & D)Bourdon SS316 Ti, Monel, Phosphor Bronze, SS316LSocket SS316, Monel, brass, SS316L, SS316 TiMovement SS304 for SPST, brass (with SPDT microswitch)Connection 1/2" NPT (M) as standardRange (-)1 to 1600 kg /cm2 minimum span of 4 kg/cm2 (only
standard ranges as mentioned under table 1Accuracy ± 1% FSD for indication ± 2% FSD for switchingOverrange 130% FSDBlow out disc ProvidedZero reset Provided Micrometer PointerContacts 1SPST, single, normally open, closing on rise in pressure or
vice versa, rated 30VA @ 230V AC2 SPST, two contacts , independently adjustable, one normally
open, other normally closed or both normally open or bothnormally closed, rated 30VA @ 230V AC1SPDT, single microswitch, adjustable over entire range,rated 5 amp @ 230V AC (3A @ 28 VDC)2SPDT, double microswitch, adjustable over entire range,rated 5 amp @ 230V AC (3A @ 28 VDC)
Accessory Relay for the contact assembly to suit 5 amp @ 230VAC, separately mounted.
( )
Gauge System Bar, kg/cm2 Least count
Compound PB, SS (-)1 to 3 0.10
PB, SS (-) 1 to 5 0.10
PB, SS (-)1 to 9 0.20
PB, SS (-)1 to 15 0.50
PB, SS (-)1 to 24 0.50
PB, SS (-)1 to 39 1.0
Pressure
Gauge
(‘C’ shaped
Bourdon)
PB,SS 0 to 25 0.50
PB,SS 0 to 40 1.0
SS 0 to 60 1.0
SS 0 to 100 2.0
Pressure SS 0 to 160 5.0
Gauge SS 0 to 250 5.0Coil type SS 0 to 400 10.0
Bourdon SS 0 to 600 10.0
SS 0 to 800 20.0
SS 0 to 1000 20.0
SS 0 to 1600 50.0
PB, SS 0 to 4 0.10
PB, SS 0 to 6 0.10
PB, SS 0 to 10 0.20
PB, SS 0 to 16 0.50
For range other then above please contact our design dept.
Table 1
Microswitch is rated 5 amp @ 230 VAC (3A @ 28 VDC).Hence use of relay is not requiredMicroswitch offered as a combination of movement and
switch is procured from Internationally reputed vendor.Microswitch assembly provides better switching accuracy
and repeatabilityCompact design.
1) Electrical contact assembly is not offered in flameproof version.2) Flameproof version available only in diecast aluminium case.3) Non- ferrous system is recommended up to 40 kg/cm24) Pressure switch can also be offered with chemical seal
pressure gauges in weatherproof and flameproof cases.5) Surface mounted flameproof housing with chemical seal
pressure gauge is available with capillary.
NotesBenefits of Microswitch typeover contact assembly
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Ordering Information
MODEL : IPSH
MOUNTING
Back Entry, Local Mounting
S Bottom Entry, Surface Mounting
Back Entry, Flush Panel Mounting
C
Bottom Entry, Local MountingV
P
B Back Entry, Surface Mounting
MOVEMENT
BOURDON/ SOCKET
DIAL
CASE
15 - 150 mm10 - 100 mm
Die-cast Aluminium
SS304
SS316
S4
S6
AL
SS316 / SS316
SS316L / SS316L
Monel / Monel
SS316Ti / SS316Ti
L
M
T
S
Phosphor Bronze / BrassP
2 - Brass
4 - SS304
6 - SS316
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other 40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
RANGE
Refer Table 1
UNITA
B
C
D
E
F
kg/cm2 (g)
Bar (g)
PSI
KPa
mmHg
Specify
** For Flanged Process Connection refer the table (mentioned separately)# Flame proof housing available in 100 mm dia dial and in aluminium cast only.
OPTION
Chemical Seal Unit-Refer
Catalogue CSU
Accessory - Refer
Catalogue ACC
X
U
FH
I
J
D
C
A
B
L
R
N
Colour band
1 SPDT
2 SPDT
Dual Scale
Flanged Process connection **Flameproof housing #
1 SPST
2 SPST
NACE-MR-01-75
Relay
Nil
22 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
23
Designed compliance to International Dairy Federation
²Accuracy ± 1% FSD (Standard), ± 0.5% FSD on request ²
Designed for pressure measurement in Sanitary application
Compliance to latest EN-837 standardRange : (-) 1 to 40 kg/cm
Unit of measurement - kg/cm , bar,PSI, KPa, mbarMicrometer pointer
Features
Hygiene Gauges
Ref. Standard EN-837Dial 100 mm / 150 mm in Aluminium, white background,
black markingsCase SS304 with bayonet bezel (SS316 on request)Protection
IP-68 (IS :13947 Part I)Diaphragm SS 316 L weldedMovement SS304Range Minimum (-)1 to 5 kg/cm², MaximumFilling Fluid Silicon oilAccuracy ± 1% FSD (0.5% on request)Overrange 130% FSD (other on request)Suitability (-) (service temperature)Zero adjustment Micrometer pointer (internal)Blow out disc Provided (on top)Optional NACE compliance
External zero settingGlycerine filled caseTriclover clamp
SMS fittingsGasket
0 - 40 kg/cm²
20°C to 80°C
Specifications
MODEL : HYG
www.general-gauges.com
Hygiene Gauges designed for pressure measurement in Sanitaryapplication in accordance with International Dairy Federation (IDF)
requirements in pharmaceutical, dairy, biotechnology, food &beverages industries.
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Ordering Information
MODEL : HYG
DIAL10 - 100 mm
15 - 150 mm
CASESS304
SS316
S4
S6
RANGEPl. specify
INPUT RANGE
OPTION
A
B
C
D
E
F
kg/cm2 (g)
Bar (g)
PSI
KPa
mmHg
Pl. specify
E
D
C
A
L
OR
N
M
Colour band
+/- 0.5% Accuracy
Dual Scale
External Zero reset
Maxima Pointer
NACE-MR-01-75
O Cleaning2
150% over range
Nil
S
T
G Glycerine Filled Case
Triclover Clamp
SMS Fitting
24 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
25
²
± 2% ²
Designed to fulfill most industrial requirements as well as commercialRange : (-) 1 to 600 kg/cmBourdon in SS316 as standardAccuracy FSDUnit of measurement - kg/cm , bar, PSI
Features
Bourdon Sensing Pr. Gauges-40-50-63
Dial 40 mm / 50 mm / 63 mm in Aluminium, white background,black markings
Case Pressed Steel, epoxy painted blackSS304 with bayonet bezel
MovementBrass, SS304Range (refer table 1) minimum span 1 kg/cm2,maximum 600 kg/cm2
Accuracy ± 2%Overrange 130% FSDSuitability (-) for ferrous system (service temperature)
Blow out disc Provided (on top)Optional Glycerine filled case (in SS case)
FSD
20°C to 60°C(-) 20°C to 60°C for non-ferrous system (service temperature)
Integral Dampner Swievel connection to facilitate rotation and in turn positioning of pressure gauge
Note 1) 40 mm panel mounted gauge will be provided with bracketmounting and 50 mm & 63 mm with front flange
2) Non ferrous system is recommended up to 40 kg/cm²
Specifications
MODEL : SMBSPG
Pressure Gauges are developed for OEM applications in compressed gases.Lubricating circuits etc.
System Bourdon Socket Movement
Ph. Bronze
SS316
BrassPB
SS
Brass
SS304SS316
Gauge System Bar, kg/cm2
Vacuum PB, SS (-)1 to 0
Compound PB, SS (-)1 to 0.6
PB, SS (-)1 to 1.5
PB, SS (-)1 to 3
PB, SS (-) 1 to 5
PB, SS (-)1 to 9
PB, SS (-)1 to 15
PB, SS (-)1 to 24
PB, SS (-)1 to 39
Pressure PB, SS 0 to 0.4
Gauge PB, SS 0 to 0.6
(‘C’ shaped PB, SS 0 to 1
Bourdon) PB, SS 0 to 1.6
PB, SS 0 to 2.5
PB, SS 0 to 4
PB, SS 0 to 6PB, SS 0 to 10
PB, SS 0 to 16
PB,SS 0 to 25
PB,SS 0 to 40
SS 0 to 60
SS 0 to 100
Pressure SS 0 to 160
Gauge SS 0 to 250
Coil type SS 0 to 300
Bourdon SS 0 to 350
Table 1
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Ordering Information
MODEL : SMBSPG
MOUNTING
MOVEMENT
BOURDON/ SOCKET
DIAL
CASE
SS316 / SS316S
Phosphor Bronze / BrassP
2 - Brass
4 - SS304
Back Entry, Local Mounting
S Bottom Entry, Surface Mounting
Back Entry, Flush Panel Mounting
C
Bottom Entry, Local MountingV
P
04 - 40 mm
05 - 50 mm
Pressed Steel
Stainless SteelSS
PS
B Back Entry, Surface Mounting
06 - 63 mm
CONNECTION
SIZE MALE / FEMALE
Male
FemaleF
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
TYPE
BP
NT
BT
GSPF
NS
NPT
BSPBSPT
PFGas
NPSM
106
15
2520
32
40
1/4”3/8”1/2”3/4”
1”1.1/4”
1.1/2”
4 1/8”NT NPT
RANGE
Refer Table 1
UNITA
B
C
F
kg/cm2 (g)
Bar (g)
PSI
Pl. specify
OPTION
Accessory - Refer
Catalogue ACC
X
D
L
Dual Scale
Nil
G Glycerine filled case
S Integral Dampner
Size CodeRating
CodeFacing
Code150#
300#
600#
900#
1500#
2500#
RF
FF
RTJ
LT
LG
½”
¾”
1”
1½”
2”
3”
A
B
C
D
E
F
RF
FF
RTJ
LT
LG
15
20
25
40
50
80
F - FLANGED PROCESS CONNECTION **
26 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
27
Features
Specifications
Chemical / Diaphragm Seal Unit
Corrosive process fluid.Process fluid having sediments or is viscous.Process fluid has a tendency to solidify, freeze or crystallise at lower
temperatures which may block the sensing element.Process fluid is hazardous.The diaphragm seal transmits process pressure to the instrument
through a diaphragm. The instrument side of the diaphragm is filledwith appropriate fluid. As liquids are incompressible, pressure ishydraulically transmitted to the pressure sensing element.Proper selection of diaphragm seal is important after reviewing
the application.
Where isolation is essential
MODEL : CSU
The generally offered MOC is as follows :
www.general-gauges.com
Upper housing : CS, SS304. SS316Diaphragm : SS316L, PTFE, PTFE coated, Titanium, Hastelloy B, C, Nickel, Monel, TantalumLower housing : SS304, SS316, SS304L, SS316L, , PTFE coated / lined,
PTFE block, Hastelloy B, C.Filling Fluid : Name Application range
Silicone oil(-) 40°C to 200°CFluorolube(-) 50°C to 150°CGlycerine0 to 80°CParaffine0 to 85°CDC-704 0 to 339°CHalocarbon(-) 25°C to 225°CFood grade oil 0 to 150°CWater 20 to 80°C
Note : 1) Purchaser must confirm the suitability of the MOC suggested.2) Capillary for remote seal can be offered.
Different types of diaphragm seal offered:
1) Direct mounted2) Inline flow through type with flanged connection.3) Inline flow through type (jacketed)4) Inline flow through type (weld in)5) Extended diaphragm seal6) Pan cake type diaphragm seal7) I-Section type
Titanium, Nickel
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Dimensions
1) In-line flow through type(End connection flanged)
For application in Waste Water, Pulp & Paper,Synthetic Fibre, where fluid is viscous and will
contain solid undissolved particles.
4) Extended diaphragm seal
Diaphragm flushed to the process. Extensiondepends upon nozzle standout. Allows
mounting in insulated vessels or pipelines.
2) In-line flow through type(Jacketed)
For applications where process fluid is likely to solidify as temperature reduces. Jacketing
provided for steam or thermic fluid.(End connection - weld in shown above)
5) Pan Cake type diaphragm seal
Sandwiched between loose flange (back-upflange) and nozzle flange. For fluids which
are corrosive, contaminated, etc.
3) In-line Flow through type(Weld in)
End pipe suitable for butt welding to theprocess pipe. For in Waste
Water, Synthetic Fibre, Pulp & paper, etc.application
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Inline flow through type with
flanged connection.
Inline flow through type
IF
MOUNTING
Direct mountedDM
IJ
IS
PC
EDIJ
DIAPHRAGM
BOTTOM CHAMBER
TOP CHAMBER
Ordering Information
MODEL : CSU
(jacketed)
Extended diaphragm seal
Pan cake type diaphragm seal
I-Section type
Inline flow through type (weld in)
CS
SS304
SS316
S4
S6
C
SS321Hastelloy B
Hastelloy C
TitaniumSS316
SS316L
SS316Ti
SS316+PTFE
S6
S1
SL
HB
HC
ST
SP
TI
TantalumNickel
TANI
Monel 400M4
Gold PlatedGP
PTFEGold
PTGL
Silver SI
Incoloy 80018
SS321
Hastelloy B
Hastelloy CTitanium
SS316
SS316L
SS316Ti
SS316+PTFE
S6
S1
SLHB
HCST
SPTI
TantalumNickel
TANIMonel 400M4
CONNECTION
SIZE MALE / FEMALEMale
Female10
6
15
25
20
32
F
MMETRIC THREADS18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
FILLING FLUID
OPTION
S Silicone oilF FluorolubeG GlycerineP ParaffineD DC-704H HalocarbonV Food grade oilW Water
F
L
P
FC
Flanged process connection **
Flushing connection
Capillary for mounting "S" *
Nil
O O Cleaning2
W Welded Diaphragm
Size Code Rating Code Facing Code
150#
300#
600#
900#
1500#
2500#
RF
FF
RTJ
LT
LG
½”
¾”
1”
1½”
2”
3”
A
B
C
D
E
F
RF
FF
RTJ
LT
LG
15
20
25
40
50
80
F - FLANGED PROCESS CONNECTION **
* Length of capillary to be specified in bracket e.g. P (3) i.e. 3 mtr. capillary** For Flanged Process Connection refer the table (mentioned separately)
FR Flushing Ring
29www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
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Pulsation dampener for pulsatingservices, or where vibration exists, onpump discharge lines, for dampeningerratic pressures. Available in materialssuch as CS, SS304, SS316, Monelstandard connection 1/2” NPT(F) x1/2” NPT(M) (please specify otherconnection)
For lowering the service temperature so that guage is exposed to lower temperature (i.e. <600C). Generallyoffered in 1/2” sch, 40 or 80 size (othersizes also can be offered on request).Two types - U type and pig tail type aremainly offered, as customer desires.Available in material like CS (A106),SS304 SS316, P11 etc. IBRCertification - Wherever applicable isoffered. Standard connection ½”NPT(F) x 1/2” NPT(M).Butt welded (plain) connection also canbe offered.
Simple needle type isolation valve usedfor isolating (separating) process from the gauge. Available in CS, SS304,SS316. Standard connection is ½”NPT(F) x 1/2” NPT(M). Request forother requirements.
Used where maximum pressure(or design pressure) exceeded to the overrange pressure of thegauge. Minimum setting, generallyoffered is 1 kg/cm2g. Request forlower settings. Normally offered inSS316 & Monel. Other material onrequest. Standard connectionoffered is ½” NPT.
Isolates the gauge from the processand has drain facility. Available normallyin SS316 (other material on request).Standard connection of 1/2” NPT(F) x 1/2” NPT(F) x 1/2” NPT(M). (Pleasespecify other requirement like 1/2” BSPor M20 x 1.5 etc.)
Facilitates positioning of the gaugewhile installation. Generally offered in the same material as that of socket i.e.SS304, SS316, Monel. Other materialcan be offeredon request.
Snubber Syphon Two way isolation valve
Gauge saver Three way isolationvalve
Swivelling adaptor orgauge union
Accessories
MODEL :ACC
30 www.general-gauges.com
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Ordering Information
MODEL : ACC
ACCESSORY
INSTRUMENT CONNECTION
MATERIAL
Pig Tail Type Syphon
SYU “U” Type Syphon
Gauge Saver
SYP
Snubber SN
GS
GA Gauge Adaptor
Block & Bleed ValveBBTwo Way Isolation Valve2W
3W Three Way Isolation Valve
SW Swivelling adaptor
SS304
SS316
S4
S6
Carbon SteelCS
SS316LSL
MonelM4Pl. SpecifyF
Pl. Specify
PROCESS CONNECTION
Pl. Specify
L
I
O
N
IBR
NACE-MR-01-75
O Cleaning2
Nil
2V Two Valve Manifold
3V Three Valve Manifold
5V Five Valve Manifold
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
OPTION
31www.general-gauges.com
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NOTES
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DIFFERENTIALPRESSURE GAUGES
AN ISO 9001:2000 COMPANY
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DifferentialPressure Gauges-Bellow Type
DifferentialPressure Gauges-Diaphragm Type
DifferentialPressure Gauges-Bellow- Diaphragm Type
DifferentialPressure Gauges-Capsule Type
DifferentialPressure Gauges-Magnehelic Type
IndicatingPressure Switch
Differential
5047 Convertion ChartFlow Indicator
49In House Facilities
34
35 37
4341
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45
39
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
35
Features
Specifications
Differential Pr. Gauges - Bellow Type
Bellow type constructionReferance Standard: EN - 837All SS internalsScrewed / Flanged connectionChemical seal unit (optional) for process suitabilityAccuracy ± 1% FSD
Microswitch type contacts as requiredA set of two stainless steel bellows mounted on a force balanceenables direct reading of the actual differential pressure.Each bellow of the pressure Gauge can withstand the full static
pressure without any damage or shifting being caused to the instrument.
Dial 6"(150mm)Case & Bezel Diecast aluminium / SS304 / SS316, weatherproof
to IP-68 (IS:13947 Part 1)Window Toughened Glass with rubber ringPointer
Light weight, micrometer adjustableSensing Bellow in SS316LOther wetted parts SS316 LMovement SS304 / SS316Connection ½" NPT (M) as standard (other on request)Range Minimum 0 to 1000 mm WCStatic Pressure Upto 60 kg/cm2g, Higher Static Pressure on requestAccuracy ± 1% FSDBlow out disc Provided (top of the case)Temperature suitability (-) 20 C to 80 COptional Chemical seal unit
Liquid filled caseMicroswitch type contacts (5 Amp @ 230 VAC)External zero mechanism
° °
MODEL : DPG-B
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Ordering Information
MODEL : DPG-B
MOUNTING
DIAL
CASE
15 - 150 mm
S Bottom Entry, Surface Mounting
Back Entry, Panel MountingP
Y Yoke Mounting (2" pipe mounting)
Die-cast Aluminium
SS304
SS316
S4
S6
AL
BELLOW
MOVEMENT
SS316 LS6
A SS304B SS316
CONNECTION
SIZE MALE / FEMALEMale
Female10
6
15
25
20
32
F
MMETRIC THREADS18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
RANGEPlease Specify
UNIT
STATIC PRESSURE
A
B
C
D
E
kg/cm2 (g)
Bar (g)
PSI
KPa
mmHg
Please Specify
Chemical Seal Unit-Refer
Catalogue CSU
U
Accessory - Refer
Catalogue ACC
X
D
S
G
L
O
N
P
Silicon Oil Filled Case
Glycerin Filled Case
Dual Scale
NACE-MR-01-75
O Cleaning2
2" Pipe Mounting Bracket
Nil
OPTION
E External zero Adjustment
36 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
37
Features
Specifications
Differential Pr. Gauges - Diaphragm Type
Diaphragm (double diaphragm design) type constructionStatic pressure upto 100 kg/cm2 (higher static pressureon request upto 300 Kg/cm²)
All SS internalsScrewed / Flanged connectionAccuracy ± 2% FSD (1.6% FSD on request - assending side)
Referance Standard: EN - 837
Dial 4" / 6" NominalCase & Bezel Diecast aluminium / SS304 / SS316, weatherproof
to IP-68 (IS:13947 Part 1)Window Toughened Glass with rubber ringPointer
Light weight, micrometer adjustableSensing Diaphragm in SS316L / Monel / Titanium / Hastelloy COther wetted partsMovement SS304Connection ½" NPT (M) as standard (other on request)Range Minimum 0 to 600 mm WCStatic Pressure Upto 100 kg/cm2g max. (Higher static pressure on request)Accuracy ± 2% FSD (1.6 % FSD on request)Blow out disc Provided (top of the case)Temperature suitability (-) 20 C to 80 C
SS316 /SS316 / SS316L / Monel / Titanium / Hastelloy C
° °
MODEL : DPG-D
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Ordering Information
MODEL : DPG-D
MOUNTING
DIAL
CASE
S Bottom Entry, Surface Mounting
Back Entry, Panel MountingP
Y Yoke Mounting (2" pipe mounting)
Die-cast Aluminium
SS304
SS316
S4
S6
AL
DIAPHRAGM
MOVEMENTA SS304B SS316
15 - 150 mm10 - 100 mm
SS316S6
Hastelloy C - 276
Hastelloy B
Monel 400
HC
HB
MSS316LL
T Titanium
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
RANGE
Please Specify
UNIT
STATIC PRESSURE
A
B
C
D
E
kg/cm2 (g)
Bar (g)
PSI
KPa
mmHg
Please Specify
OPTION
D
L
O
N
P
Dual Scale
NACE-MR-01-75
O Cleaning2
2" Pipe Mounting Bracket
Nil
Accessory - ReferCatalogue ACC
X
38 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
39
Features
Specifications
Bellow Diaphragm TypeDiff. Pr. Gauges-
Bellow- Diaphragm type constructionStatic pressure upto 40 kg/cm2 (Max.)All SS internalsScrewed / Flanged connectionAccuracy ± 1% FSDUnit of measurement - mbar, mmWC, kpaIP-67 ProtectionFor measurement of small differential Pressures at high static Pressure.
Dial 4" / 6" NominalCase & Bezel SS304 / SS316, weatherproof to IP-68 (IS:13947 Part 1)Window Toughened Glass with rubber ringPointer Micrometer pointerSensing Element
Bellow- Diaphragm inOther wetted partsMovement SS304Connection ½" NPT (M) as standard (other on request)Range Minimum 0 to 250 mm WCStatic Pressure Upto 40 kg/cm2g max.Accuracy ± 1% FSDBlow out disc Provided (top of the case)Temperature suitability (-) 20 C to 80 C
SS316SS316
° °
MODEL : DPG-BD
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Ordering Information
MODEL : DPG-BD
MOUNTING
DIAL
CASE
S Bottom Entry, Surface Mounting
Yoke Mounting (2" pipe mounting) Y
Die-cast Aluminium
SS304
SS316
S4
S6
AL
BELLOW DIAPHRAGM
MOVEMENTA SS304B SS316
15 - 150 mm10 - 100 mm
SS316S6
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
RANGEPlease Specify
UNIT
STATIC PRESSURE
A
B
C
D
E
kg/cm2 (g)
Bar (g)
PSI
KPa
mmHg
Please Specify
OPTION
D
L
O
N
P
Dual Scale
NACE-MR-01-75
O Cleaning2
2" Pipe Mounting Bracket
Nil
Accessory - ReferCatalogue ACC
X
40 www.general-gauges.com
CE CE Certificate
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
41
Features
Specifications
Differential Pr. Gauges-Capsule Type
Low differential pressure measurement with high accuarcySensing element-Screwed connection
Accuracy ± 1% FSD
Capsule in SS316L
General stainless steel capsule differential pressure gauges aredesigned for measuring small differential pressures on clean & dryair or gas system
Dial 4"(100mm) / 6Case & Bezel SS304 / SS316, weatherproof to IP-68 (IS:13947 Part 1)Window Toughened Glass with rubber ringSensing in SS316LConnection ½
" NPT (M) as standard (other on request)Range Any range between 0 to 60 mm WC to 0 to 1000 mmWCStatic Pressure 10 times the rangeAccuracy ± 1% FSDTemperature suitability (-) 20 C to 80 C
"(150mm)
Capsule
° °
MODEL : DPG-C
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Ordering Information
MODEL : DPG-C
MOUNTING
DIAL
CASE
S Bottom Entry, Surface Mounting
SS304
SS316
S4
S6
CAPSULE
MOVEMENTA SS304B SS316
10 - 100 mm
SS316LL
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.524 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
RANGEPlease Specify
UNIT
STATIC PRESSURE10 Times range
Bottom Entry, Local MountingV
mmWC
Pl. specify
E
F
OPTION
O
N NACE-MR-01-75
O Cleaning2
Accessory - Refer
Catalogue ACC
X
15 - 150 mm
42 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
43
Features
Specifications
Differential Pr. Gauges-Magnehelic Type
Magnet-Viton Diaphragm type constructionStatic pressure 35 bar & 100 bar Body block - SS / AL.Screwed connectionAccuracy ± 2% FSD (Ascending)Glycerine filled case as an optionUnit of measurement - Kg / cm², bar, mmWCIP-67 Protection
Dial 4" / 6" NominalCase & Bezel SS 304 weatherproof to IP-65 (IS:13947 Part 1)Sensing Diaphragm inBody Material Aluminium / SS304 / Magnet
CeramicSpring SS316Connection ¼" NPT (F) as standard (other on request)Range As customer requires (Minimum 0 to 100 mm WC)Static PressureAccuracy ± 2% FSD (on Ascending Side)Blow out disc Provided (top of the case)Temperature suitability (-) 20 C to 80 C
VitomSS316
35 bar & 100 bar
° °Optional Switching : SPST
Voltage : 230V AC/DC (max)Rating Switch : 1SPST & 2 SPSTCapacity : 30 VA AC/DC (max)Current : 1 A (max)
MODEL : DPG-M
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44
Ordering Information
MODEL : DPG-M
MOUNTING
DIAL
CASESS304S4
DIAPHRAGM
MOVEMENTA SS304B SS316
15 - 150 mm10 - 100 mm
L Local (Direct) Mounting
Panel MountingP
V Viton
CONNECTION
SIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
RANGEPlease Specify
UNIT
STATIC PRESSURE
A
B
C
D
E
kg/cm2 (g)
Bar (g)
PSI
KPa
mmHg
Please Specify
OPTION
D
LP
Dual Scale
2" Pipe Mounting BracketNil
Accessory - ReferCatalogue ACC
X
www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
CE CE Certificate
J
I 1 SPST
2 SPST
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
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GENERAL has been designing and manufacturing high quality Diaphragm /Bellow Type Differential pressure indicating switches to suit to most of theindustrial application for accurate control of the process equipments. Rigorousand continuous tests are conducted for design and quality conformance.
Indicating Differential Pressure Switch
Sensing Element : SS316L diaphragm or bellowCase : Diecast aluminium, epoxy painted, weatherproof
to IP-68 (IS:13947 Part I) or flameproof to I, IIA,IIB (equivalent to NEC CI. 1 Gr C & D)
SS304 / SS316 optionallyCable Entry : ½” NPTSwitch : I SPDT / 2 SPDT. Snap acting micro-switch
(DPDT on request) Rated 5A @ 230 VAC(3A @ 28 VDC)
Movement : BrassSet Point : Adjustable throughout the rangeMounting : Surface Mounting / Pipe, also available with
Remote SealProcess Connection : 1/2” NPT (M) as standard. Other connections
optionallyRange : As customer requires
(minimum 0 to 1000 mm WC)Indication Accuracy : ±1% FSD
Switching Accuracy : ±1.5 - 2% FSDRepeatability : 1% FSDProcess Temperature : (-)20°C to 60°C for SS wetted partsCalibration : All switches are individually calibrated
(F)
Specifications
MODEL : IDPS
Indicating Differential Pumps,Compressors, Lubrication Systems, Turbines, Generators, Boilers, Furnancesetc. in industries such as Chemical, Fertiliser, Ferrous & Non-ferrous metal,
Pulp & Paper, Power, Waste Water Treatment, Refinery & Petrochemical,Synthetic Fibre, etc.
Pressure Switches are design to use in
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Back Entry, Panel Mounting
Y Yoke Mounting (2” pipe mounting)
P
MOUNTING
Bottom Entry, Surface MountingS
MOVEMENTBrass
CASE
SS304
SS316S6
S4
Die-cast AluminiumAL
SS316S6
DIAPHRAGM / BELLOW
15 - 150 mm
DIAL
Ordering Information
TYPE : IDPS
Please Specify
RANGE
A
B
C
D
E
kg/cm² (g)
Bar (g)
PSI
KPa
mmHg
UNIT
Size Code Rating Code Facing Code150#
300#
600#
900#
1500#
2500#
RF
FF
RTJ
LT
LG
½”
¾”
1”
1½”
2”
3”
A
B
C
D
E
F
RF
FF
RTJ
LT
LG
15
20
25
40
50
80
F - FLANGED PROCESS CONNECTION **
CONNECTIONSIZE MALE / FEMALE
Male
Female10
6
15
25
20
32
F
M
METRIC THREADS
18 M - M 18 x 1.5
20 M - M 20 x 1.5
24 M - M 24 x 1.5
27 M - M 27 x 2
33 M - M 33 x 2
X X - Any other
40
1/4”
3/8”
1/2”
3/4”
1”
1.1/4”
1.1/2”
TYPE
BP
NT
BT
GS
PF
NS
NPT
BSP
BSPT
PF
Gas
NPSM
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The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
Please Specify
Static Pressure
Chemical Seal Unit-Refer
Catalogue CSU
U
Accessory - Refer
Catalogue ACC
X
DL
O
N
P
Dual Scale
NACE-MR-01-75
O Cleaning2
2" Pipe Mounting Bracket
Nil
OPTION
B 2SPDT
A 1SPDT
E External zero Adjustment
CE CE Certificate
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Under Technical Collaboration with M/s. Gauges Bourdon, U.K.
47
Features
Specifications
Flow Indicator
Differential Pressure across Orifice Plate AsemblyWeld Neck Flange connectionUnit of measurement direct in terms of flow unitWeatherproof to IP – 67 (IS 13947 Part 1)
Dial 6"(150mm)Case & Bezel Diecast aluminium / SS304 / SS316, weatherproof to IP-67 (IS:13947 Part 1)Window Toughened Glass with rubber ringPointer Light weight, micrometer adjustableSensing Bellow in SS316LOther wetted parts SS316 LMovement SS304 / SS316Connection ½" NPT (M) as standard (other on request)Range Minimum 0 to 1000 mm WCStatic Pressure Upto 60 kg/cm2g, Higher Static Pressure on requestAccuracy ± 1% FSD
Blow out disc Provided (top of the case)Temperature suitability (-) 20 C to 80 COptional Three Valve Manifold in SS316, suitable SS tubing and associated instrument fittings
° °
MODEL : FI
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Design Conforms to ISA RP 3.2 , DIN 1952 , BS 1042, ISO-5167Types Square edge concentric, Quadrant edged, Conical entrance,
Eccentric, SegmentalPlate material SS304 , SS316 , SS316L as standard. Hastelloy-C , Monel ,
PP , PVC , PTFE coated , etc. can be given on request.Orifice Bore In accordance with ISO-5167, BS-1042, ASME MFC 3M,
R.W.Miller, L.K.Spink, AGA-3Tab Plate In the same material as plate & is welded to orifice plate.
Tag plate integral to the Orifice plate (i.e. without welding)can also be offered as a special case.
Vent / Drain Vent or Drain holes are provided as per customer’srequirement. Not drilled for orifice bores smaller than 25.4 mm
Flange Union Weld neck, Slip on, Threaded, Socket welded with RF or RTJfacing Orifice flanges are in accordance with ANSI B16.36with minimum flange rating of 300# for sizes up to 8” ormale - female flanges in accordance with ANSI B16.5.
Pressure Tappings Corner tappings are recommended for sizes upto 1 ½”; Flange taps from 2" to 16" ; D – D/2 taps for higher sizes.
Gasket CAF as per IS: 2712 Gr 0/1 , SS spiral wound + CAF , SSspiral wound + Grafoil, SS spiral wound + PTFE are normallysupplied as per process requirement. Other materials availableon request.For RTJ flanges , the plate is fixed on the plate holder. The plateholder is in Soft Iron material & acts as a gasket .
Studs / Nuts ASTM A193 Gr.B7/A-194 Gr.2H as standard, Other materialon request.
Jack Screw Carbon Steel ( C1038 heat treated )
Orifice Plate Assembly
Flow Indicator
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Ordering Information
MODEL : FI
TYPE OF ORIFICE PLATE
PLATE THICKNESS
SC Square Edge Concentric
Quadrant Edge ConcentricQC
CC Conical Entrance
3.18mm
6.35mm
9.52mm
2
3
1
RANGEPlease Specify
UNIT
STATIC PRESSURE
A
B
C
D
E
kg/cm2 (g)
Bar (g)
Psig
KPa
mmHg
Please Specify
Flow Range
48 www.general-gauges.com
The recommendations made in this catalogue are to be used as intended guide. No guarantee of material can be undertaken since otherfactors may affect the performance. We reserve the right to change the specifications mentioned in this catalogue without any notice as
improvements & development is a continuous process at General. Responsibility of typographical errors is specifically disclaimed.
Please Specify
EC EccentricSE Segmental
PLATE MATERIAL
Poly PorpleyPP
SS321
Hastelloy B
Hastelloy CTitanium
SS316
SS316L
SS316Ti
SS316+PTFE
S6
S1
SL HB
HCST
SPTI
TantalumPTFE
TAPF
Monel 400M4
SS304S4
12.7mm
Please Specify
4
5
Type Weld Neck / Slip on / Threaded / Socket Weld
½ Inch to 24 Inch
Please Specify
150# / 300# / 600# / 900# / 1500# / 2500#
RF / RTJ
Please Specify
Size
Schedule
Rating
Facing
Material
FLANGE DETAILS
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Pressure Gauges, Differential Pressure Gauges and Pressure Switches are manufacturedin technical collaboration with M/s Gauges Bourdon, U.K. The same are manufactured and
tested in accordance with EN : 837 standard. According to the said international standard,following tests are carried out to ensure the quality of Pressure Gauges. We can carry outfollowing tests-In-House-at our manufacturing plant.
1. Visual Inspection 9. Effects of Mechanical Shock
2. Dimensional Verification 10. Endurance test with Steady Pressure
3. Accuracy Test 11. Endurance test with Over Pressure
4. Hysteresis Test 12. Endurance test with Cyclic Pressure
5. Leak Test 13. Safety Blow-out Test
6. Influence of Mounting Position 14. Thermal stability test at rated temperature
7. Degree of Protection 15. Temperature effect test
8. Effects of Mechanical Vibration 16. Energy release test
In-House testing facilities for Pressure Gauges
In House Facilities
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Convertion Chart
T o c o n v e r t p r e s s u r e f r o m o n e u n i t t o
a n o t h e r :
1 . S
t a r t a t c o l u m n h e a d i n g w i t h u n i t s
t o c o n v e r t f r o m .
2 . M
o v e d o w n t h e s a m e c o l u m n t o n u m b e r “ 1 ” .
3 . M
o v e a c r o s s t h i s r o w t o t h e c o l u m
n w i t h u n i t s h e a d i n g y o u a r e c o n
v e r t i n g t o .
4 . M
u l t i p l y t h e n u m b e r i n t h i s t a b l e c e
l l t i m e s t h e a m o u n t y o u a r e c o n v
e r t i n g f r o m t o g e t t h e n e w v a l u e
i n c o n v e r t e d u n i t s
.
50 www.general-gauges.com
p
s i
a t m s .
“ W C
m m
c m
o z / i n ²
K g / c m ²
“ H
g
m m
c m H g
m b a r
b a r
P a
K P a
M P
a
W C
W C
H g
( N / m ² )
1
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, 0 0 0
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0 . 0
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e s . c
o m
BANGALORE:
‘B’ Wing - 1005, Mittal Tower, M G Road – 560001.Telefax : 080-41510946E-mail: [email protected]
CHENNAI: 7, Block AD, II Avenue, Anna Nagar - 600040Ph: 044-26211763 Fax: 26203910E-mail: [email protected]
NEW DELHI:
511 Eros Apartments 56 Nehru Place 110019VADODARA:
715 Yashkamal Building Tilak Road 390005
BRANCHES:
HEAD OFFICE: 194/195, Gopi Tank Road, Mahim, Mumbai - 400016.Tel: 022-24454387, 24449177 Fax: 24463507
E-mail: [email protected] Website: www.general-gauges.comvisit our AV presentation on www.general-gauges-corporatefilm.com
PLANT: Gauges Bourdon(I) Pvt. Ltd.(Under technical collaboration with M/s. Gauges Bourdon, U.K.)
4, 5, 6 Jawahar Co-op Industrial Estate, Kamothe, Panvel- 410209.Tel: 022-27421095, 27421903, 27423744, 27423745 Fax: 27421901E-mail: [email protected]