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WA44Y Balance Bellows Safety Valve With Packed Lever

low lift safety valve, metal to metal seated, standard pressure safety valve for liquids. Flanged connection acc. to ANSI B16.5, Approved for gases, and fluids

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Safety Valve/pressure safety valve, angle type

Full lift safety valve
Standard safety valve for fluids
metal to metal seated, with lifting device,
Inlet: Flanged connection acc. to ANSI B16.5
Outlet: Flanged connection acc. to ANSI B16.5

closed bonnet, 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

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℃

AppropriateMedium

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

Gsa, 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: 150Lb for outlet flange



Remark: 150Lb for outlet flange








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