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Low Temperature Ball Valve Cryogenic ball valve

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Product Detail

Product Tags

Performance Specification

Pressure Testing pressure at constant temperature (MPa) Applicable temperature Applicable medium

 

The shell testing High-pressure seal Low-pressure seal
Nominal rating pressure(PN) 1.6 2.4 1.76 0.6  

-29~121℃
or upon the user requirement

Natural gas,liquefied gas,coal gas,oil,water, requirement

2.5 3.75 2.75 0.6
4.0 6.0 4.4 0.6
6.4 9.6 7.04 0.6
10.0 15.0 11.0 0.6
16.0 24.0 17.6 0.6
Pressure classes(Class) 150 2.94 2.16 0.6
300 7.67 5.62 0.6
400 10.2 7.48 0.6
600 15.3 11.23 0.6
900 23.0 16.85 0.6
1500 39.0 28.6 0.6

Technical Specification

Design reference GB API ASME
Design standard GB/T12237 API6D ASME B16.34
Structural length Flanged ends GB/T12221 API6D ASME B16.10
Welded connection GB/T12221
Flanged ends GB/T9113JB/T79 ASME B16.5
Butt-welding ends GB/T12224 ASME B16.25
Test &inspection GB/T13927 JB/T9092 API6D  API598

Note:The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement.

Major Parts Material Form

No. Accessory name Material
GB ASTM
1 Body ZG25Mn A352-LCB
2 Seat PTFE PTFE
3 Ball 25Mn+ENP A350-LFI+ENP
4 Gasket Graphite+06Cr18Ni9Ti Graphite+304
5 Stud 35CrMoA A320-L7
6 Nut 45 A194-4
7 Bonnet ZG25Mn A352-LCB
8 Stem  12Cr13 A182-F6a
9 Gasket  PTFE  PTFE
10 Gasket  PTFE  PTFE
11 Gasket Graphite Graphite
12 Nut 45 A194-2H
13 Stud 35CrMoA A193-B7
14 Yoke ZG25Mn A352-LCB
15 Packing Graphite+1Cr18N19Ti Graphite+304
16 Packing gland ZG25Mn A352-LCB
17 Locating piece Q235A A36
18 Ring 65Mn AISI1566
19 Wrench WCB A216-WCB
20 Screw nail 35CrMoA A193-B7

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