ualves

The solution you’ve been looking forTHE SOLUTION YOU’VE BEEN LOOKING FORMANUALVALVES

LPP-DPump

2

TECHNICALFEATURES

• 100% Tight

• Full Bore

• Only the Sleeve isin Contact with the Medium

• Centerline Closing

• Flexible Sleeve

PROCESSBENEFITS

• Excellent Wear Resistance

• High Corrosion Resistance

• No Jamming orClogging

• Self-cleaning

• Trouble-freeOperation

• Long ServiceIntervals

• Low MaintenanceCosts

• Reduced Cost of Ownership

Over 50,000 Larox valves are currentlyoperating in mining and metalindustries, minerals processing, pulpand paper, chemical processindustries, energy as well as oil andoffshore industries. Numerousapplications also exist in water andeffluent treatment, dairy, food andbeverage production, andpharmaceutical processing plants.

MODULAR DESIGN

Our modular valve design has threemain components: the sleeve, thebody and the actuator. The sleeve isthe only part that is in contact with theprocess medium. The constructionand materials of all three main

components can be tailored to suitmost process conditions.

Self-cleaning Larox valves provide100% tight shut-off even if solids havebuilt up on the sleeve wall. Whencompressed, any crystallized particlesflake off the sleeve surface and arewashed downstream.

The standard range is for diametersof 1” to 40”, temperatures from -50°Fto +320°F, and operating pressuresfrom vacuum to 1500 psig.

We provide tailor-made flow controlsolutions precisely in accordance withthe customer specifications.

LAROX MANUAL VALVES

Larox manual valves are ideal for shut off applications thatinvolve abrasive or corrosive slurries, powders or granularsubstances. Our advanced flow control solutions meet eventhe most stringent customer specifications. Larox valvesoffer substantial savings through improved performance,longer service lifetime and lower maintenance costs.

The operating principle of a Larox valve is simple. In the open position, the valve is at fullbore with no flow restrictions thus making the valve an integral part of the pipeline. Duringclosing, two pinch bars squeeze the sleeve shut on the centerline.MANUAL

VALVES

3

STANDARD BODY TYPES

OPEN BODY (PV)

The open body valve is designed for non-hazardousmedia, lower pressures and operating temperatures.This design isolates vibration and tolerates minormisalignments of the pipeline. It is also light-weightand easy to service. Material options includefabricated carbon steel and stainless steel. Openbody range starts from 3” in diameter.

ENCLOSED BODY (PVE)

The enclosed body valve is the most common bodytype. Its enclosed design prevents premature sleevedeterioration and protects the sleeve from theenvironment, making it extremely safe to operate.Enclosed body valves can be manufactured ofcast iron/fabricated carbon steel, stainless steel,aluminium or plastic. Valve diameters beginwith 1”.

SPECIAL BODY TYPES

Our special bodies comply with the internationalfugitive emission legislation set for hazardousprocess media.

ENCLOSED/SEALED BODY (PVE/S)

The enclosed/sealed body valves are designedto add safety to processes involving hazardousmedia. Both the stem and side bars are sealed withO-rings. Body material options include castiron/fabricated carbon steel, stainless steel andaluminium. Enclosed/sealed body valve range startsfrom 1”.

SEALED BODY (PVS)

The sealed body valve is well suited for hazardousmedia and high pressure applications. Completelyenclosed stem and side bars, provide 100%protection against any leakage. There are two bodymaterial options available: cast iron/fabricatedcarbon steel or stainless steel. Sealed body rangehas options starting from 1”.

PV PVE PVSPVE/S

VALVES YOU CAN RELY ON

Larox manual valves are equipped with hand wheel actuators. To ensurereliable operation, the operating mechanism is totally enclosed giving fullprotection against dirt and corrosion. A reduction gear is provided to ease themanual operation in larger diameter valves and higher operating pressures.

Note: All enclosed bodies can be equipped with an alarm sensor for sleeve leakage detection.

4

VALVE MODEL SELECTIONEXAMPLE: PVE4M150 - 603LR

PVE

MODEL

PV =open

PVE =enclosed

PVE/S =enclosed/sealed

PVS =sealed

4

SIZE(INCH)

1”-40”

M

ACTUATOR

M = handwheel

150

PRESSURECLASSES(PN)

15 psig

75 psig

150 psig

240 psig

365 psig

600 psig

940 psig

1500 psig

6

FLANGEDRILLINGS

1 = -

2 = DINPN 10

3 = DINPN 16

4 = DINPN 25

5 = DINPN 40

6 = ANSI 150

7 = ANSI 300

8 = BSTABLE D

9A = ASTABLE D

9B = ASTABLE E

9C = JIS 10

9D = JIS 16

Other on request

0

BODYMATERIAL*0 = Fe

1 = -

2 = AISI 316

3 = aluminium

4 = other

5 = plastic

3

FLANGESHAPE

type 1 - 4

Determinedby the valvemanufacturer

R

AUXILIARIES

R = inductivelimits

T = mechan. limits

X = other,must be specified

L

OPENINGTAGS

L = openingtags

-

PV PVE PVE with a gear

*) Fe DN25-200: GRS 250 (EN-GJL-250), epoxy painted K18-E180/2-FeSa 2DN250…: fabricated Fe37B (EN 10025 S235JRG2), epoxy painted K180-E180/2-FeSa 2

AISI 316 DN25-200: casted (EN 10213-4 1.4408)DN250…: fabricated (EN 10088-2 1.4432)

Aluminium DN25-150: aluminium alloy (EN 1706 EN AC 44200) epoxy painted K18-E180/2-FeSa 2

Plastic Ciba 5000 series DN65---150; PA Blend DN250

SLEEVE MODEL SELECTIONEXAMPLE: SBRT 150 4/9.84/3L6

Opening tags

Reinforcing cords

Wear-resistant inner lining

SBRT

SLEEVE MATERIALS

SBRT = styrene butadiene

EPDM= ethylene propylene

CR = chloroprene

CSM = chloro-sulphone-ethene

FPM = fluorine rubber

HNBR= hydrogenated nitrile

IIR = butyl

NBR = nitrile

NBRF = nitrile foodstuffquality

NR = natural rubber

NRF = natural rubberfoodstuff quality

PU = polyurethane

_/PU = PU coatinginside the sleeve

_/M = Larox SensoMatesleeve

150

PRESSURECLASSES(PN)

15=15 psig

75=75 psig

150=150 psig

240=240 psig

365=365 psig

600=600 psig

940=940 psig

1500=1500 psig

4

SLEEVEINNERDIAMETER(MM)

1” - 40”

9.84

SLEEVELENGHT(INCHES)

Depends onthe sleeveinner diameter

3

FLANGESHAPE

type 1

type 3

type 4

L

OPENINGTAGS

L = yes

- = none

/ /

Determinedby the valvemanufacturer

(dependingon the valvediameter /pressureclass)

6

FLANGEDRILLINGS

1 = -

2 = DIN PN 10

3 = DIN PN 16

4 = DIN PN 25

5 = DIN PN 40

6 = ANSI 150

7 = ANSI 300

8 = BS TABLE D

9A = AS TABLE D

9B = AS TABLE E

9C = JIS 10

9D = JIS 16

X = other, mustbe specified

5

THE BUILT-IN QUALITY OF THE LAROX VALVE

Larox valve builds on several qualitycomponents. The highly resistant and durablesleeve forms an integral part of the valvestructure and is the only part in contact withthe medium. Centerline closing minimizessleeve stretch.

The encapsulated stem mechanism isprotected and lubricated to ensure trouble-free

operation. Stainless steel stem and sidebarsadd to improved wear and corrosion resistance.

The enclosed Larox valves have externalopen/closed position indicators. Optionalfeatures include an alarm sensor for remoteleakage detection. Maintenance is trouble-free as sleeve changes can be done withoutspecial tools.

Position indicator

Grease nipple

Sleeve adjustment nuts

Pipe bushing

Body seal

Plug

Lower pinch bar

Guide (plate)

Upper pinch bar

Stem nut

Encapsuled stem

Bearing

Center bushing

Sleeve

Side bushing

Larox valve compositionPVE50M10

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Manual valves in 100% open, 50% open and fully closed positions.

MAIN DIMENSIONSOPEN BODY AND ENCLOSED BODY

PV

Am

ax.

EA BB

Em

ax.

C

ma

x. C

Weights

PVE

SIZE

PV 3

PV 4

PV 5

PV 6

PV 8

PV 10

PV 12

PVE 1

PVE 1.25

PVE 1.5

PVE 2

PVE 2.5

PVE 3

PVE 4

PVE 5

PVE 6

PVE 8

PVE 10

PVE 12

PN (PSIG)

15-365

15-365

15-365

15-240

15-240

15-150

15-75

15-75

15-365

15-365

15-365

15-365

15-365

15-365

15-365

15-240

15-150

15-75

15

A (INCHES)

7.87”

9.84”

12.20”

14.76”

19.69”

24.61”

29.53”

6.5”

6.5”

6.5”

6.5”

6.5”

7.87”

9.84”

12.20”

14.76”

19.69”

24.61”

29.53”

B (INCHES)

9.25”

10.43”

12.80”

15”

18.15”

21.46”

27.72”

4.92”

5.51”

7.09”

7.48”

8.27”

9.65”

10.94”

13.39”

15.75”

18.90”

22.44”

28.35”

E (INCHES)

3.94”

4.33”

5.31”

5.63”

6.69”

8.27”

9.84”

3.43”

3.54”

4.13”

4.72”

5.35”

6.10”

6.89”

8.27”

9.45”

11.61”

14.96”

17.52”

WEIGHT fe (LBS)

48

64

101

147

194

301

367

24

31

35

40

48

79

101

163

233

350

469

614

WEIGHT al (LBS)

-

-

-

-

-

-

-

15

20

20

20

26

37

55

90

163

-

-

-

C (INCHES)

14.57”

16.14”

18.31”

22.05”

27.17”

34.06”

40.16”

10.04”

10.24”

10.43”

11.02”

12.20”

14.57”

16.14”

18.31”

22.05”

27.17”

34.06”

40.16”

Dimensions subject to change without notice. Larger sizes and higher pressures also available.Dimensional drawings for higher pressure ratings available upon request.

7

ManuValv

Larox Flowsys Oy • P.O. Box 338 • FI-53101 Lappeenranta, Finland • Tel. +358 201 113 311 • Fax +358 201 113 300e-mail info@larox.fi • www.larox.fi

Manual 12/06 USA

TYPE APPROVALP-11460

LAROX FLOWSYS INC. • 808 BARKWOOD COURT SUITE N, LINTHICUM, MD 21090

TEL. 410-636-2250 • FAX 410-636-9062 • E-MAIL INFO@LAROX.FI • WWW.LAROX.US

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