|Item Name||One Piece Floating Ball Valve|
|Size||15 mm to 250 mm, 1/2″ to 10″|
|Pressure||ANSI Class 150 to Class 800|
|Material||WCB, LCB, CF8, CF8M, CN7M, CF3, CF3M, SS304, SS316, SS304L, SS316L|
|End Connection||Flange ASME B16.5/B16.47, threaded|
|Seals||PTFE, Glass Filled PTFE, Carbon Filled PTFE, PEEK, Delrin, Grafoil Graphite Ring|
|Operation Type||Manual, Lever, Worm Gear Operated|
|Payment&Shipping Terms||L/C; T/T(30% deposit, 70% against B/L copy)|
|Shipping Port||Any port in China|
Features of one piece ball valves are as follows:
1.Blow-out proof, anti-blow out stem
3.Anti-fire safe design
When the trunnion ball valve be used normally,its sealed by seat and ball surface,seat retainer sealed by O-ring and body,this is soft sealed and reliable sealing.When the seat and O-ring are burnt,the seat retainer and body will be sealed by expanded graphite.Thus act anti-fire safe purpose.
In order to prevent friction among ball,stem and PTFE that generates static electricity which may light the combustibles and explosives that cause an accident,in this ball valve,static-conduction spring is set between the stem and the ball,the stem and the body.Thus static electricity is conducted to ground and system safety is secured.
5.Low torque in operation
The self-lubricated bearings are installed at the friction of stem,resulting in wear resistance, flexibility of operation and low torque.
6.Automatic body cavity relief
When the body pressure going up un-normally,the valve downstream seat will be pushed by un-normally pressure,and release the unnormal pressure automatically,it doesn’t damage to the sealing of upstream seat.The un-normally pressure which in the floating ball valve body will release the pressure into the upstream pipe directly, it doesn’t damage to the sealing of the downstream seat.
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