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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