Packed Lever Balance Bellows Type Safety Valve

Type WA44C - Safety Valve

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

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

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