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| Categories | Carbon Steel Flanged Ball Valve |
|---|---|
| Brand Name: | VT |
| Certification: | API 6D, API 607,TS, ISO 9001,TS |
| Place of Origin: | Sichuan, China |
| MOQ: | 1 Set |
| Price: | negotiated |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 10000 Set Per Year |
| Packaging Details: | Plywood Case |
| Name: | Trunnion Mounted Ball Valve |
| Material: | WCB |
| Size: | DN250 |
| Pressure Rating: | PN40 |
| Color: | Blue or Customer's Request |
| OEM/ODM: | Yes |
| Company Info. |
| ZIGONG WEITE VALVE MFG CO., LTD |
| View Contact Details |
| Product List |
DN250 PN40 Carbon Steel Flanged Ball Valve Body Material WCB
Product Description
The Trunnion Mounted ball valve have two valve seats, which can two direction seal.Therefore there is no restriction
on the installation direction, either side of the valve can be used as the upstream side, it is a two-way valve.
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.
| |
| 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 | |||||
Weite Valve Quality Control
Zigong Weite Valve Manufacturing Co., Ltd. has successfully developed a wide range of advanced inspection and testing equipment from control of casting blanks and forgings to final product quality. These equipments allow us to do tests such as gamma ray testing, radiology testing, ultrasonic testing, dye penetration testing, magnetic inspection, spectral analysis, impact testing, hardness testing, fire safety testing, low temperature testing, low pressure gas testing, high pressure gas testing , high temperature testing and hydrostatic testing.
VT quality assurance system is committed to creating zero-leakage valves. Due to our long-term pursuit and control of quality, our products have good sealing performance, flexible use and long service life, and have won more recognition from end customers.
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