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New Delivery for Duplex Stainless Steel Ball Valve - Three-piece Trunnion Mounted Ball Valve – BVMC

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New Delivery for Duplex Stainless Steel Ball Valve - Three-piece Trunnion Mounted Ball Valve – BVMC Detail:

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 Spring Inconelx-750 inconelx-750
2 Seat  25+ENP A105+ENP
3 Sealing ring PTFE PTFE
4 O Ring NBR NBR
5 Screw 35CrMoA A193-B7
6 Gasket PTFE& Graphite
7 Put the valve stem 12Cr13 A276-410
8 Gasket  PTFE& Graphite
9 Bottom cover 25 A105
10 Valve body,Bonnet 25 A105
11 Gasket PTFE& Graphite
12 O Ring  NBR  NBR
13 Ball* 25+ENP A105+ENP
14 Slip the bearing PTFE PTFE
15 Stem”  12Cr13 A276-410
16 Grease injection valve Package Package
17 Gasket PTFE&stainless steel PTFE+304
18 Packing case 25 A105
19 Press and cover 25 A105
20 “O” Ring NBR NBR
21 Yoke WCB A216-WCB
22 Key 45 1045
23 Connection set 45 1045
24 Driving Package Package

Note: The material of this part about the anti-sulphur typo valve is GB(12Cr18Ni9+ NIP)ASTM(A182-304+NIP).
The material of this part about the anti-sulphur type valve is GB(12Cr18Ni9)ASTM(A276-321).
Major parts of the valve series and materials of sealing surface differ according to actual working condition and customer’s special requirement.


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New Delivery for Duplex Stainless Steel Ball Valve - Three-piece Trunnion Mounted Ball Valve – BVMC detail pictures


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