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WA42C Balance Bellows Type Safety Valve

full lift safety valve, balance bellows safety valve, metal to metal seated, Flanged connection acc. to ANSI B16.5, Approved for poisonous gases, corrosive medium and unstable backpressure equipment/ pipeline.

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WA42C Balance Bellows Type Safety Valve


Safety Valve/pressure safety valve, angle type

full lift safety valve
metal to metal seated
Flanged connection acc. to ANSI B16.5
balance bellows type 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

150

Body strength

Ps(Mpa)

3.0

7.5

15

22.5

38

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)

≥1/4 d0

Appropriatetemp.

  ≤200℃

Appropriate Medium

C (WCB),P, R (SS304, SS316)

Gas, Liquid,Nitric, Acetic Acid, Gas, Liquid

 

Code of throat diameter

Code

Diameter(mm)

Code

Diameter(mm)

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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