Cast Trunnion Ball Valve
KOSEN Cast Trunnion Ball Valve have been designed for severe oil and gas applications,including production,transportation and distribution.
KOSEN Cast Trunnion Ball Valve designed the Side-Entry Trunnion-Mounted Ball Valves to assure bi-directional sealing of the valve with two independent floating seats. The design of these seats minimizes the torque required to operate the valve without losing the sealing power. This power is assured by zero differential pressure to the valve's maximum rated pressure. In addition, these repairable valves are manufactured to seal off both seats at the same time and to allow bleeding of the entrapped cavity pressure (DBB) with the ball in the closed position. The DBB feature allows for verifying that the seats are properly sealing.
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Product Description
KOSEN Cast Trunnion Ball Valve have been designed for severe oil
and gas applications,including production,transportation and distribution.
KOSEN Cast Trunnion Ball Valve designed the Side-Entry Trunnion-Mounted Ball
Valves to assure bi-directional sealing of the valve with two independent
floating seats. The design of these seats minimizes the torque required to
operate the valve without losing the sealing power. This power is assured by
zero differential pressure to the valve's maximum rated pressure. In addition,
these repairable valves are manufactured to seal off both seats at the same
time and to allow bleeding of the entrapped cavity pressure (DBB) with the ball
in the closed position. The DBB feature allows for verifying that the seats are
properly sealing.
Technical Specification
Normal SizeRange:
2"-24"
Normal Pressure Rating: PN10~PN420, CLASS150~2500
Material: WCB,LCB,WC6,CF8,CF8M,CF3,CF3M
TemperatureRange: -29~150Degree C
Standards compliance
Design and Manufacture: API 608,API 6D,BS5351
Face to face(end to end): ANSI B16.10,API 6D
Flanged connection:2"~24" to ANSI B16.5
Fire-safe: API 607,API 6FA
Butt welded end: ANSI B16.25
Test and inspection: API 598,API 6D
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