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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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