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Factory making Float Operated Ball Valve - Trunnion Mounted Ball Valve – BVMC

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Factory making Float Operated Ball Valve - 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 Bonnet WCB A216-WCB
2 Nut 45 A194-2H
3 Bottom cover 25  A105
4 Gasket PTFE.Graphite + stainless steel PTFE.Graphite
5 Screw 35CrMoA  A193-B7
6 Put the valve stem** 1Cr13 A276-410
7 O Ring NBR NBR
8 Gasket PTFE.Graphite + stainless steel PTFE.Graphite
9 Body WCB A216-WCB
10 Blow down is filled in  25 A105
11 Spring Inconelx-750 Inconelx-750
12 Seat 25+ENP A105+ENP
13 Sealing ring PTFE PTFE
14 “O” Ring NBR NBR
15 Grease injection valve Package Package
16 Ball* 25+ENP  A105+ENP
17  Stem**  1Cr13 A276-410
18 Key 45 1045
19 Gasket PTFE stainless steel  PTFE+304
20 “O” Ring NBR NBR
21 Packing case 25 A105
22 Screw 35CrMoA A193-87
23 Packing seat 1Cr13 A276-410
24 Packing PTFE; Carbon fibre, soft graphite
25 Packing gland WCB A216-WCB
26 Yoke WCB A216-WCB
27 Connection set 45 1045

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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Factory making Float Operated Ball Valve - Trunnion Mounted Ball Valve – BVMC detail pictures


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