Type A44C packed lever type Safety Valve
Safety Valve/pressure safety valve, angle typeFull lift safety valve,metal to metal seated, closed bonnet,with packed type lifting deviceFlanged connection acc. to ANSI B16.
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Type A44C - packed lever type Safety Valve
Safety Valve/pressure safety valve, angle type
Full lift safety valve,
metal to metal seated, closed bonnet,
with packed type lifting device
Flanged connection acc. to ANSI B16.
Applications
Provided as safety device for protection against excessive pressure in pressure vessels
Approved for gases, vapours and fluids
Working temperatures: -60°C up to +300°C for stainless steel material
-29°C up to 300°C for cast steel material
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 |
||||
|
Appropriate temp. |
C (WCB)P, R (SS304, SS316) |
≤300℃≤200℃ |
||||
| AppropriateMedium | C WCB) P, R (SS304, SS316) | Gsa, LiquidCorrosive medium | ||||
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
Sealing surface of material "H" depositing D507, "Y" depositing stellite
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
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