Bare Stem Suprer Size Trunnion Mounted Ball Valve Flange Connection
Description
Tight and reliable. It has two sealing faces, and the sealing face of the ball valve is widely used in various plastics,
good sealing, can achieve complete sealing. It has also been widely used in vacuum systems
Trunnion Mounted Ball Valve Test Procedure
| HYDROSTATIC SEAL TEST API 6D 10.3 and 10.4 |
| Sequence | Area Pressure | Duration(min) | Description |
| SHELL TEST | | A | 1.5xPN | 6″-10″ | 5 | 1. Valve in partial open.
2. Set the pressure to 150% PN.
3. Reduce the pressure to 50% PN.
4. Reset the pressure to 150% PN.
5. Hold the pressure for the duration of testing.
|
| B | 1.5xPN | 12″-18″ | 15 |
| C | 1.5xPN | 20″-60″ | 30 |
| SEAT TEST | | A | 1.1xPN | 5 | Seat hydrostatic seal at A end towards body B |
| B | Atmospheric |
| C | Atmospheric |
| | A | Atmospheric | 5 | Seat hydro seal at C end towards body B |
| B | Atmospheric |
| C | 1.1xPN |
| | A | 1.1xPN | 5 | Seat hydro seal test for both A and C |
| B | Atmospheric |
| C | 1.1xPN |
| AIR SEAL TEST API 6D 10.4 |
| SEAT TEST | | A | Atmospheric | 5 | Seat air seal test at A end towards body B |
| B | Atmospheric |
| C | 80PSLG(5.5bar) |
| | A | 80PSLG(5.5bar) | 5 | Seat air seal test at C end towards body B |
| B | 80PSLG(5.5bar) |
| C | Atmospheric |
Applications
Petroleum Refining
Oil and Gas Production
Petrochemicals
Chemicals
Marine
Pulp and Paper
Power Generation
Steel / Primary / Metals
Weite Valve
Our plant area of 15,400 m2 and is equipped with a technology research and development center.
We have passed API and TS certification.We mainly produces valves of ANSI, DIN, and other
standards. Products are widely used in water, oil, natural gas, petroleum, chemical, urban pipe network and other fields.
FAQ:
Q: We are interested in your products?
A: In order to recommend you suitable products, please provide detail information, like size, material, pressure, media,etc.
Q: Can you manufacture different standards valves according to customer requirements?
A: Yes. We can manufacture API,DIN,GOST,JIS standards for different pressure & temperature & size according to different needs.
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VT Petrochemicals Trunnion Mounted Ball Valve Large Ball Valve Flange Connected Images
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