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A46C Pilot Operated Safety Valve

Pilot Operated Safety Valve, the best super-pressure protecting equipment on pressure equipment, container or pipeline. Soft/Metal to Metal seal.

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Type A46C - Snap Acting Pilot Operated Safety Valve


Pilot operated safety valve, newly structured--is mainly applied to such trades as petroleum & natural gas, chemistry, electric, metallurg & burning gas. It is the best super-pressure protecting equipment on pressure equipment, container or pipeline. It is mainly characteized by shifting direct function of spring to indirect function of quide valve. What's more, main valve, applying for sleeve piston & double sealed seat, is characterized by high precision of action, good recycling function fast turning back to seat, ability to high pressure leaking, long working time and security, together with read-justment on line, automatic turning back to saet after leaking again and again, tight closure,operating and maintaining convenience.


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

37.5

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.

≤250℃ 

Appropriate Medium

Air, oil, water, corrosive 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

NO.

Name of part

Ax46Y/F AF46Y/F Material

KAx46Y/F Material

1

Body

WCB

WCB

2

Disc

2Cr13/PTFE

304/PTFE

3

Guide

304

304

4

Spring

50CrVA

50CrVA

5

O type ring

Viton

Viton

6

Bonnet

25

25

7

Pilot valve

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








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A46C Pilot Operated Safety Valve

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