Three-piece Trunnion Mounted Ball Valve
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℃ |
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.
Leave Your Message