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Type A61H High Pressure Welded End Safety Valve

safety valves/pressure relief valves, angle type low lift safety valvemetal to metal seatedsocket weld end acc. to ASME B16.25

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Type A61 Safety Valve


safety valves/pressure relief valves, angle type

low lift safety valve

metal to metal seated

socket weld end acc. to ASME B16.11


Applications:

Provided as safety device for protection against excessive pressure in pressure vessels.

Approved for gases, vapours and fluids.

Working temperatures:≤ 200℃


Standards Compliance:

Design and Manufacture: GB/T 12241-2005, GB/T 12243-2005

Face to Face(end to end): JB/T 2203-1999

Test and Inspection: GB/T 12243-2005



Material for main parts  

NO

Name of part

A61H-C/A21Y-C Material

A61Y-P Material

1

Union

20

304

2

Union nut

35

304

3

Nozzle

2Cr13

304

4

Body

35CrMoA

304

5

Disc

2Cr13

304

6

Guide

2Cr13

304

7

Spring

50CrVA

50CrVA coated teflon

8

Stem

2Cr13

2Cr13

9

Bonnet

ZG230-450

304

10

Adjusting bolt

45

2Cr13

11

Cap

ZG200-400

304

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


Dimensions(mm)  

Nominal Pressure

DN

do

D

D1

D2

L

L1

H

16 Mpa

10

6

22

33

24

145

150

262

15

8

25

33

24

145

150

262

20

10

25

33

24

145

150

262

25

12

35

33

24

145

150

262

32 Mpa

10

6

22

33

24

145

150

262

15

8

25

33

24

145

150

262

20

10

25

33

24

145

150

262

25

12

38

33

24

145

150

262







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