The monolithic cast steel body
Floating/Trunnion mounted ball
Full/Reduced bore
Anti-static device
Blow-out proof stem
Fire safe design
Emergency sealant injector
Operation:Lever/Gear/Pneumatic/Hydraulic/Electric
| Available material | Standard |
| Body:A216-WCB,A352-LCB A351-CF8/CF8M/CF3/CF3M/Duplex Seat:PTFE/RPTFE/PEEK/PPL Stem:A105+ENP,A182-F6/F304/F316/F316L/F304L/17-4PH/F51 Ball:ASTM A105+ENP,ASTM A182-F6/F304/F316/F316L/F51 |
Design:ASME B16.34/API 6D Face to face:ASME B16.10 End flange:ASME B16.5 BW end:ASME B16.25 Test:API 598 Fire safe test:API 607/API 6FA |
1.Top entry type ball valve in the pipeline is simple and rapid demolition,making maintenance convenient.
2.The ball valve with fully welded body can be buried directly in the ground, so that the inner parts of the valve are not eroded,the service life is up to 30 years,it is the ideal valve for oil and natural gas pipelines.
3.Complete sealing can be achieved over a wide range of pressures and temperatures.
4.The working medium is sealed reliably on both sides.
Top-entry ball valves are typically used in process systems where in-line maintenance is preferred over full valve removal.During maintenance, only open the cover to lift the ball and support body without removing the entire valve from the pipe,make maintenance more convenient.On specific occasions, the top-entry ball valves can not affect the normal operation of the pipeline system during the rush repair, as long as the ball and seat assembly is removed quickly after sealing the valve cover, the pipeline system with pressure operation can be restored immediately, so that the loss caused by the rush repair is reduced to a small extent.It is mainly used for food, medicine, petroleum, natural gas,chemical, electric power, metallurgy, environmental protection, urban construction,paper making(medium such as air, water, oil, hydrocarbon, acidic fluid).