2022 wholesale price Gas Ball Valve - High Performance Fully Welded Ball Valve – BVMC
2022 wholesale price Gas Ball Valve - High Performance Fully Welded Ball Valve – BVMC Detail:
ANTI-STATIC Design
The electrical conductance continuity between all the metallic components is guaranteed and certified.
Performance Specification
Pressure | Testing pressure at constant temperature (MPa) | Applicable temperature | Applicable medium
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The shell testing | High-pressure seal | Low-pressure seal | ||||
Nominal rating pressure(PN) | 1.6 | 2.4 | 1.76 | 0.6 |
-29~121℃ |
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-18 | NBR-18 |
5 | Put the valve stem** | 12Cr13 | A276-410 |
6 | Bottom cover | 25 | A105 |
7 | Slip the bearing | PTFE | PTFE |
8 | Body | 25 | A105 |
9 | The end covering | 25 | A105 |
10 | “O”Ring | NBR-18 | NBR-18 |
11 | Ball | 25+ENP | A105+ENP |
12 | “O”Ring | NBR-18 | NBR-18 |
13 | Stem** | 12Cr13 | A276-410 |
14 | Key | 45 | 1045 |
15 | Grease injection valve | Package | Package |
16 | Packing body | 25 | A105 |
17 | “O”Ring | NBR-18 | NBR-18 |
18 | Packing case | 25 | A105 |
19 | Packing seat | 12Cr13 | A276-410 |
20 | Packing | PTFE ;Carbon fibre;Soft graphite | |
21 | Packing gland | WCB | A216-WCB |
22 | Screw | 35CrMoA | A193-B7 |
23 | Yoke | WCB | A216-WCB |
24 | Connection set | 45 | 1045 |
25 | Key | 45 | 1045 |
26 | 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.
Product detail pictures:
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