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 |
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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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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.