10'' 600LB Carbon Steel WCB Trunnion Mounted Ball Valve 3 Pieces
Product Description
It is suitable for long-distance pipelines and general industrial pipelines, and its strength, safety, and resistance to harsh
environments have been specially considered in the design, and it is suitable for various corrosive and non-corrosive media.
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
Zigong Weite Valve Mfg Co., Ltd. is a professional Manufacture factory, we have been in valve field more than 15 years.
Manufacture and selling Various ball valves(types of floating, Trunnion Mounted, top entry,all welded, metal seal HPHT,
Three-way,Four-way etc.).