Complaint
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. | ≤200ºC | |||||
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 |
