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© N
ordic Flow Control Pte Ltd. A
ll rights reserved. Oct 2012
Nordic Flow
Control Pte LtdSubsidiary of Nordic Group Lim
ited, listed on the SGX5 Kw
ong Min Road, Singapore 628708
Tel: (65) 6848 4400 Fax: (65) 6848 4411 Customer Care H
otline: (65) 6425 2337Custom
er Care: customercare@
nordicflowcontrol.com
Sales Enquiries: sales@nordicflow
control.comM
arketing & Comm
unications: marketing@
nordicflowcontrol.com
ww
w.nordicflow
control.com
Incorporated in 1998, Nordic Flow
Control started out as a service agent. Through vision and determ
ination, we have forged ahead to becom
e a global m
anufacturer and system integration solutions provider for M
arine, O
il and Gas control system
s, with a sales and support netw
ork that spans Asia and Europe.
To stay ahead of the competition, w
e are constantly raising the bar in quality and technological creativity. N
ordic Flow Control’s Integrated Control and
Managem
ent Systems, w
ill meet any vessel autom
ation needs. From
production to installation, our professional and experienced engineers will
be there every step of the process to ensure customers get the m
ost reliable, user-friendly and technologically advanced control system
s that perform
above their expectations
Backed by international accreditations from various m
arine classification bodies, including ISO
9001:2000 by ABS, Nordic Flow
Control’s one-stop integrated solution has been installed in hundreds of vessels and drilling rigs across the globe. M
ade from the toughest m
aterials and able to withstand
the most dem
anding of marine and offshore situations, our grow
ing reference list bears testam
ent to the reliability of our systems.
Nordic Flow Control Valve Remote Control Systems 1
HYDRAULIC VALVE REMOTE CONTROL SYSTEM
OVERVIEW
Nordic Flow Control’s compact design for our Hydraulic Valve Remote Control Systems does not compromise on power. Our systems operate at a higher torque level even with our smaller actuators. Submerged applications are available, and maintenance is possible even during operation. By having a hand pump in a deck box with solenoid valves, manual operations are now possible.
Our Hydraulic Valve Remote Control Systems are tried and tested in the harshest conditions. The system consists of the hydraulic actuator, a power unit, solenoid valve cabinet, and the control station with operating system.
Our actuators and control systems are able to match and operate valves with no limitations.
BENEFITS
Nordic Flow
Control Valve Remote Control System
s2
Nordic Flow
Control Valve Remote Control System
s3
CO
MPO
NEN
TS
AC
TUA
TOR
SN
ordic Flow C
ontrol’s actuators are manufactured using sophisticated m
achinery in our own production plant. They
convert hydraulic energy directly into a mechanical rotating m
ovement by using the rack and pinion principle, elim
i-nating cost from
intensive servicing, maintenance and the sensitivity of transm
ission elements.
Our actuators are created for durability, perform
ance and cost effectiveness. Our new
NRA
series actuators are now
more com
pact and provide higher torque at even smaller sizes. They have a longer life span, w
ith higher
Polymer bearings for sm
aller actuators and ball bearings for bigger actuators are used to reduce friction between the
parts. Mounting is according to ISO
5211 standards, but can be customised to m
eet other requirements.
With no need for valves to be dism
ounted, maintenance w
ork during normal operations is possible, cutting dow
n-tim
e needed for repairs. A set of repair kit w
ill be provided for every actuator supplied.
Features
Ben
efits
Op
tion
al Equ
ipm
ent
A C
loser Lo
ok A
t No
rdic’s A
ctuato
rs
NR
A SER
IES DO
UB
LE AC
TING
AC
TUA
TOR
S
TECH
NIC
AL SPEC
IFICA
TION
S
D
ouble Acting H
ydraulic Actuator
Single Acting H
ydraulic Actuator
Working Pressure
135 bar 135 bar
Rotation 90
o +/- 3
o 90
o +/- 3
o
Indication O
PEN/C
LOSE on shaft
OPEN
/CLO
SE on shaftProtection
IP65/IP68 IP65/IP68
Colour
Black (Matte
Black (Matte
Hydraulic M
edia Recom
mended acid free hydraulic
Recomm
ended acid free hydraulic
viscosity range 15 to 200 cSt viscosity range 15 to 200 cSt
Working Tem
perature -15
oC to 80
oC (Standard)
-15oC
to 80oC
(Standard)
NRA 1200S
21306420
36005800
3580
Double Acting Actuators
Single Acting ActuatorsM
odel TypeVol (CC)
Spring StartingSpring Ending
Hydraulic
StartingH
ydraulicEnding
NRA 10S
1955
3654
35N
RA 10S19
5536
5435
NRA 30S
48172
90170
88N
RA 80S130
470280
460246
NRA 160S
260940
560920
492N
RA 300S503
19501000
1800850
NRA 400S
7001800
11802700
2260N
RA 600S1006
39002000
36001700
NRA 2400S
426012840
720012800
7160
NRA 1200
2130
Model Type
Vol (CC)N
RA 101919
NRA 30
48N
RA 80130
NRA 160
260N
RA 300503
NRA 400
700N
RA 6001006
NRA 2400
42604800
@ 60 bar
40110310620
124018002480
96006400
@ 80 bar
50150420830
166024103320
128008000
@ 100 bar
70190520
1040207030004150
1600010800
@ 135 bar
90260700
1400280040605600
21600
TECH
NIC
AL SPEC
IFICA
TION
S
Actuator torque are guarenteed minim
um torque value. Nordic reserves the rights to change w
ithout notice.
Nordic Flow
Control Valve Remote Control System
s4
Nordic Flow
Control Valve Remote Control System
s5
TECH
NIC
AL SPEC
IFICA
TION
S – AC
TUA
TOR
DR
AW
ING
S
Nordic Flow
Control Valve Remote Control System
s6
Nordic Flow
Control Valve Remote Control System
s7
CABIN
ETS AN
D D
ECK BO
XES
Solenoid Valve Cabinet
that are used to control the direction of oil flow to the actuators. The solenoid valve cabinet is installed in safe, non-
The SVC receives signals from
the switches in the control consoles or from
the computer system
which activates the
solenoid valves.
Our SVC
units come in standard 60, 72, and 96 control valve designs. The cable entry can be custom
ised to be from
the top, bottom or side to suit requirem
ents.
The Cabinet C
onsists of:
or modulating feedback
in the processing compartm
ent
TECHN
ICAL SPECIFICA
TION
SW
orking Pressure 135 bar
Max Test Pressure
200 bar
Intrinsically Safe Deck Boxes
The cabinet consists of:
or modulating feedback
TECHN
ICAL SPECIFICA
TION
SW
orking Pressure 135 bar
Max Test Pressure
200 bar
NO
RDIC’S M
odel SVC 60 Solenoid C
abinet is able to hold 10 manifolds,
Totaling 60 Solenoid Valves.
NO
RDIC’s M
odel SVC 72 Solenoid C
abinet is able to hold 12 Manifolds,
Totaling 72 Solenoid Valves.
Nordic Flow
Control Valve Remote Control System
s8
Nordic Flow
Control Valve Remote Control System
s9
NO
RDIC’s M
odel SVC 96 Solenoid C
abinet is able to hold 16 Manifolds,
Totaling 96 Solenoid Valves.
Solenoid Valve Cabinet with Processing Cabinet
HY
DRA
ULIC PO
WER U
NIT
The HPU
is designed for 100% standby. In the event of a pow
er failure of the main input, the dual input feature
enables the auxiliary input to cut-in automatically.
The control unit consists of a local starter cabinet or a remote operation panel in the control console w
ith a manual
switch for selecting the pum
p to be operated, giving the end user the flexibility to control the necessary functions both rem
otely and locally.
Nordic Flow
Control Valve Remote Control System
s10
Nordic Flow
Control Valve Remote Control System
s11
Our H
PU is delivered as a one skid-m
ounted unit, and it contains the follow
ing main com
ponents:
number of actuators
The HPU
has been reviewed as an extrem
ely reliable power unit. From
standard to custom
ised units, they are very well designed. O
ur standard units com
e with tw
o motors, for back up purposes and to extend the
lifespan of our HPU
.
IP55 protection to ensure greater performance.
TECHN
ICAL SPECIFICA
TION
S
Reservoir Volume
150l 250l
350l
Max W
orking Pressure 170 bar
Our H
PU is designed to be user-friendly. The layout for the electrical
and hydraulic components is placed system
atically and the open design allow
s for easy access during maintenance.
Features
reservoirs if needed
Nordic Flow
Control Valve Remote Control System
s12
Nordic Flow
Control Valve Remote Control System
s13
Nordic Flow
Control Valve Remote Control System
s14
Nordic Flow
Control Valve Remote Control System
s15
HY
DRA
ULIC SY
STEM A
CCESSORIES
Double Pilot Block
speeds.
Features
external factors
Operation
For use with Subm
erged Actuators:
THRO
TTLE VA
LVE
SAC Block
consists of a quick connection for emergency hand pum
p operation as well as a connection for throttle valves.
feature also greatly reduces the water-ham
mering effect.
Features
close the valve
Operation
For use with Subm
erged Actuators:
Deck Plate
(DPCO
)block in the dry area for the actuator in subm
erged conditions.
Submerged A
pplications Accessories
Submerge
Plate (SPCO)
Submerged
Cap
The pinion gear is covered by the submerged cap w
hen the actuator is in subm
erged conditions to prevent water
ingress.
DP Block
SAC Block
DPCO
Block
Nordic Flow
Control Valve Remote Control System
s16
Nordic Flow
Control Valve Remote Control System
s17
Manifold
Our m
anifolds work w
ith a stacked design that comes in 6-station blocks. The
design allows placem
ents behind each manifold in a solenoid valve cabinet
and very compact hydraulic system
s can be built upon each station.
station that regulates the flow and can be closed for repairs at the actuators.
The manifolds are provided w
ith screws and recesses for cabinet m
ounting.
Features
TECHN
ICAL SPECIFICA
TION
S
Working Pressure
135 barM
aximum
Test Pressure 200 bar
Weight of N
ordic 6-Station 6 kg
Weight of Bottom
Section 2 kg
Weight of Top Section
1 kg M
aterials
Hand Pum
p Connection
SteelSeal Ring
NBR
Top Block
In the top block, a system bleed valve and a pressure gauge
When purging the pressure line P to the tank line T, the
bleed valve is to be opened.
BottomBlock
In the
bottom
block, there
are tw
o hand
pump
connections on the P and T ports, which are incorporated
for the emergency operation of the entire m
anifold.
Before using the hand pump connection, the tw
o stop valves that are incorporated in the P and T ports should be closed.
Blank PlateThe blank plate is used for blanking off connections that are not used on the m
anifold.
to have flow m
oving in one direction, preventing back pressure.
The check valve is a standard feature in our manifold
system.
CheckValve
shut off.Valve
Components
Nordic Flow
Control Valve Remote Control System
s18
Nordic Flow
Control Valve Remote Control System
s19
FEEDBA
CK U
NITS
MO
DU
LATIN
G LIM
IT SWITCH
Features
ON
/OFF LIM
IT SWITCH
The dome position indicator is constructed from
high impact resistant polycarbonate m
aterial which offers instant
recognition of valve position from up to 50 m
etres.
Features
TECHN
ICAL SPECIFICA
TION
S
Position Indicator 0 to 90°C
: Open – Yellow
,
Closed - Red
Cam
s Polycarbonate
Painting Polyester pow
der coating with
black colour
TECHN
ICAL SPECIFICA
TION
S
T6 W
eatherproof
2 x M
20 X 1.5 upon request
Position Monitoring Indicator
0°C to 90°C
Yellow
- Open, Red - C
loseSw
itches 2 x m
echanical switches
Potentiometer
Position transmitter 0 to 1 K
Nordic Flow
Control Valve Remote Control System
s19
ON
/OFF LIM
IT SWITC
H
The dome position indicator is constructed from
high impact resistant polycarbonate m
aterial which offers instant
recognition of valve position from up to 50 m
etres.
Features
TECH
NIC
AL SPEC
IFICA
TION
S
Position Indicator 0 to 90°C
: Open – Yellow
,
Closed - Red
Shaft 304 stainless steel
Cam
s Polycarbonate
Spring & C
over Screws
304 stainless steel
Painting Polyester pow
der coating with
black colour
Nordic Flow
Control Valve Remote Control System
s20
Nordic Flow
Control Valve Remote Control System
s21
Nordic Flow
Control Valve Remote Control System
s20
TECH
NIC
AL SPEC
IFICA
TION
S
Maxim
um W
orking Pressure 135 bar
Maxim
um Test Pressure
200 barRotation Indication
Pointer
Viscosity
15 to 200 cSt
Weight
1.3kg
Materials
Screws
Stainless steel
VA
LVE PO
SITION
IND
ICA
TOR
When the actuator is subm
erged, the measurem
ent of the actuator position by m
eans of direct indication is not feasible. Nordic Flow
Control’s Valve
applications, allowing accurate actuator m
easurement regardless of setup.
The basic intention of the VPI is to receive and m
easure position feedback from
the actuator. The working principle behind is through the m
easurement of the
the actuator is rotated. The rotation of the gear wheel is also connected to a
3-wire potentiom
eter. The output signal from the potentiom
eter ranges from
0 to 1 K.
Features
VA
LVE PO
SITION
IND
ICA
TOR
SIDE V
IEWTO
P VIEW
SOLEN
DID
VA
LUE
VPI
VPI W
ITH SO
LEND
ID
TECHN
ICAL SPECIFICA
TION
S
Maxim
um W
orking Pressure 135 bar
Maxim
um Test Pressure
200 barRotation Indication
Pointer
Viscosity
15 to 200 cSt
Weight
1.3kg
Materials
Screws
Stainless steel
VA
LVE PO
SITION
IND
ICATO
R
When the actuator is subm
erged, the measurem
ent of the actuator position by m
eans of direct indication is not feasible. Nordic Flow
Control’s Valve
applications, allowing accurate actuator m
easurement regardless of setup.
The basic intention of the VPI is to receive and measure position feedback from
the actuator. The w
orking principle behind is through the measurem
ent of the
the actuator is rotated. The rotation of the gear wheel is also connected to a
3-wire potentiom
eter. The output signal from the potentiom
eter ranges from
0 to 1 K.
Features
VA
LVE PO
SITION
IND
ICATO
RSID
E VIEW
TOP V
IEW
SOLEN
OID
VA
LVE
VPI
VPI W
ITH SO
LENO
ID
LOCA
L IND
ICATO
R
a submerged location. O
nce the incoming pressure exceeds the pressure setting on the pressure relief valve inside
the local indicator, the oil would flow
to a small cham
ber, causing the piston to move tow
ards one side; as a result
TECHN
ICAL SPECIFICA
TION
S
Screws
Stainless steelW
orking Pressure 135 bar
Weight
0.7 kg
Viscosity
15 to 200 cSt
Local Indicator – Double A
cting (Without Rem
ote Signal)
TECHN
ICAL SPECIFICA
TION
S
Screws
Stainless steelW
orking Pressure 135 bar
Weight
0.7 kg
Viscosity
15 to 200 cStC
Local Indicator – Single Acting (W
ithout Remote Signal)
Nordic Flow
Control Valve Remote Control System
s22
Nordic Flow
Control Valve Remote Control System
s23
HY
DRA
ULIC H
AN
D PU
MPS
Fixed
in the series with the critical valves, e.g.: the shipside
valve.
PortableThe portable hydraulic hand pum
ps are used for manual
override at either the solenoid valve cabinet or the valve location.
TECHN
ICAL SPECIFICA
TION
S
Maxim
um System
Working Pressure
135 barM
aximum
System Test Pressure
160 barM
aximum
Hand Pum
p Pressure 170 bar
Oil V
iscosity Range 15 to 300 cSt
NO
RDIC H
YD
RAU
LIC FIXED
HA
ND
PUM
P
3 Way
Ball Valve Port1/4” BSP
Removable
Handle
Nordic Flow
Control Valve Remote Control System
s24
Nordic Flow
Control Valve Remote Control System
s25
NO
RDIC H
YD
RAU
LIC PORTA
BLE HA
ND
PUM
PPN
EUM
ATIC V
ALV
E REMO
TE CON
TROL SY
STEM
OV
ERVIEW
Nordic Flow
Control understands that space is a prem
ium on a vessel; w
ith that in mind, our Pneum
atic Valve
suit your vessel, and we can provide for Subm
erged applications.
BENEFITS
FEATU
RES
gearboxes
NO
RDIC PN
EUM
ATIC A
CTUA
TORS
FEATU
RES
Nordic Flow
Control Valve Remote Control System
s26
Nordic Flow
Control Valve Remote Control System
s27
TECHN
ICAL SPECIFICA
TION
S
Scotch Yoke Design A
ctuator
No
Description
No
PartN
oD
escription
1H
ousingSleeve
27N
ut
2C
over15
BushingStroke Bolt
3Scotch Yoke
16W
asher29
Nut
Trust Bearing17
Plate30
Pipe
5Bushing
31Piston
6Bolt
19Sleeve
32
7C
ylinder20
O-Ring
33Internal H
ousing
Bolt21
O-Ring
9Stroke Bolt
22Piston
35Internal Spring
1023
O-Ring
36C
ap
11C
over Nut
O-Ring
Pneumatic A
ctuators (Rack And Pinion D
esign)
No
Description
No
PartN
oD
escription1
6Spring C
lip11
Stroke Bolt Washer
2Pinion
7Piston
12Stroke Bolt Retaining N
ut3
Piston Steel13
9Stroke Bolt
510
Stroke Bolt O-Ring
15
Double A
cting Pneumatic A
ctuator
Single Acting Pneum
atic Actuator
No
Description
No
PartN
oD
escription1
Indicator10
192
Spring Cap
11Piston Bearing
20
312
Piston Seal21
Stroke Cam
1322
Pinion5
Stroke Bolt23
6Piston
15Stroke Bolt Retaining N
ut7
16Stroke Bolt W
asher25
Plug17
Stroke Bolt O-Ring
9
Nordic Flow
Control Valve Remote Control System
s28
Nordic Flow
Control Valve Remote Control System
s29
TECHN
ICAL SPECIFICA
TION
S
Operating M
edia Filtered dry or lubricated for non-corrosive gas
w
ith solenoid valve, shaft top end and top drilling for assembling
dim
ensions can be customised. Stainless steel and alum
inium are also available.
w
ear and corrosion while reducing piston friction to the absolute
painting are also available.
resistance and longer service. The pre-loaded spring can be safely and
rapidly disassembled.
m
inimum
friction and long life.O
-Rings N
BR o-rings provide trouble free operation at standard temperature
ranges. Viton and silicone o-rings are available for high or low
temperature
applications.
Decentralised System
does away w
ith the solenoid valve cabinet, saving space.
Nordic Flow
Control Valve Remote Control System
s30
Nordic Flow
Control Valve Remote Control System
s31
NA
MU
R Mounted Solenoid Valves
TECHN
ICAL SPECIFICA
TION
S
Item
5, 3 Port 2 Position 5 Port 3 Position
Fluids C
ompressed air and inert gase 2
Pressure 1.5 to 10 bar
2.0 to 10 bar
°C to 6°C
Coil Insulation C
lass F-C
lass or equivalent
ELECTRIC VA
LVE REM
OTE CO
NTRO
L SYSTEM
OV
ERVIEW
actuation needs.
BENEFITS
System O
verview
Nordic Flow
Control Valve Remote Control System
s32
Nordic Flow
Control Valve Remote Control System
s33
COM
PON
ENTS
Electrical Actuators
Features
per day, with a precision better than 2%
Transmission G
earsThe gear drive system
is composed of 2 reduction stages:
The first stage:
The second stage:type.
gears are mechanically irreversible.
Emergency H
and Wheel
In case of loss of power supply or a faulty control system
, the presence of a hand wheel enables the operator to
easily drive the valve to any required position manually.
Position Indicator
mechanically linked to the valve shaft.
Travel Limit Sw
itches
This reduces downtim
e due to maintenance.
Asynchronous M
otorsThe asynchronous m
otor technology offers the highest ratio of starting torque versus nominal torque. Thus, the
actuator maxim
um torque capacity is available from
the beginning of travel to unseat the valve.
Motor Therm
al Protection
Torque SensorsThe output torque for valve operation is perm
anently measured by the lever deflection of the planetary gear
external crown. This crow
n gear is maintained in position by tw
o calibrated linear springs which can be set
independently for each rotational direction to a desired torque value.
In the event the torque setting is reached, the crown lever com
presses the spring to a point where a m
icroswitch
is tripped.
Detachable D
rive BushThe output drive socket can be easily rem
oved from the actuator, w
ithout the use of any special tool, for adaptation to the valve shaft.
Lifetime Lubrication
The gear design permits lifelong lubrication by grease, thus reducing periodic m
aintenance requirements
considerably.
Components
Nordic Flow
Control Valve Remote Control System
s34
Nordic Flow
Control Valve Remote Control System
s35
TECH
NIC
AL SPEC
IFICA
TION
S
Gen
eral Specifi
cation
s
Basic actuators include motor w
ith thermal protection, gear case, em
ergency hand wheel, connection box, travel
limit sw
itches, torque switches and output drive w
ith removable socket.
ELECTR
O-H
YD
RA
ULIC
UN
IT (EHU
)
The NO
RDIC Electro-H
ydraulic Unit (EH
U) is an integrated electro-hydraulic valve rem
ote control system used
for controlling valves and actuators remotely, developed to be m
ounted directly on Nordic’s actuators on-board
vessels and offshore platforms.
The EHU
consists of a hydraulic pump driven by an electric m
otor. When in operation, the oil is siphoned from
the tank through the suction to the pum
p, which then goes through the pilot operated check valve to the
actuator port, causing the actuator to open the valves.
When the valve is fully opened, the m
otor will be stopped by a lim
it switch. The actuator in this instance w
ill be hydraulically locked in position by the pilot check valve. Em
ergency operation can be conducted for both double and single acting EH
U using the m
anual override using a portable hand pump connecting to the quick coupling
port.
For single acting EHU, during loss of pow
er, the normally open 2/2-w
ay solenoid poppet valve open contact and causes hydraulic pressure to drop. Com
pressed spring will be released and quickly closes the valve for safety
purpose.
Alternatively, NO
RDIC Electro-H
ydraulic actuators can be operated locally through a Local Control Box. The Local Control Box contains tw
o push buttons for “OPEN
” and “CLOSE” functions, and a Local/Rem
ote key to choose
the mode of control, w
hether locally or remotely. In addition,
Electro-Hydraulic actuators can be interfaced through Fieldbus.
Nordic Flow Control Valve Remote Control Systems36
TECHNICAL SPECIFICATIONS