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W41C Balanced Bellows Low Lift Safety Valve

Safety Valves/pressure safety valves, angle typelow lift safety valvemetal to metal seatedFlanged connection acc. to ANSI B16.5balance bellows safety valve

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Type WA41C Safety Valve


Safety Valves/pressure safety valves, angle type

low lift safety valve
metal to metal seated
Flanged connection acc. to ANSI B16.5

balance bellows safety valve


Applications

Provided as safety device for protection against excessive pressure
in pressure vessels
Approved for poisonous gases, corrosive medium and unstable backpressure equipment/ pipeline.
Working temperatures: -29°C up to +200°C


Standards Compliance

Design and Manufacture: API RP 520
Face to Face(end to end): API 526

Test and Inspection: API 527


Main property specifiecation

Mormal Pressure

PN

150

300

600

900

1500

Body strength

Ps(Mpa)

3.0

7.5

15

22.5

37.5

Set pressure

Pk(Mpa)

0.1-2

1.6-5

3.2-10

8-25

10-25

Seal pressure

Pm(Mpa)

90%Pk

Reseation pressure

Ph(Mpa)

≥90%Pk

Relieving Pressure

Pp(Mpa)

≤1.1Pk

Lift height

H(mm)

≥1/20 d0

Appropriate temp.

  ≤200℃

Appropriate Medium

C(WCB)  P, R (SS304, SS316)

Gas, Liquid Nitric Acetic Acid, Gas, Liquid

 

Code of throat diameter

Code

Diameter

Code

Diameter

D

10

L

20

E

13

M

55

F

16

N

60

G

20.5

P

72

H

26

Q

96

J

33

R

115

K

40

T

148

 

Materials for main parts



Essential:
 

Valves are delivered at a set pressure, therefore when ordering
please confirm set pressure, medium and temperature

 

TS
Safety accessory and Safety protection device
Manufacture License of Special Equipment, People's republic of China

 

Main Dimensions




Remark: 150Lb for outlet flange



Remark: 150Lb for outlet flange
 



Remark: 300Lb for outlet flange









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