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固定球阀特点与优点(英文)

WHAT ’S THE FEATURES AND ADVANTAGES OF TRUNNION MOUNTD BALL VALVE
Trunnion mounted ball valve is a new generation of high-performance ball valve which is suitable for long distance pipelines and general industrial pipes used for a variety of corrosive and non-corrosive media. Compared with the floating ball, acting force generated by upstream pressure acting on the ball is forwarded to the bearings and not make the ball move to seat, avoiding too much pressure to the seat, this brings advantages like stable sealing performance, long service life, smaller torque, les seat deformation and bidirectional sealing.
Features:
*Fireproof structure(API 607 and API 6FA)
*Double block and bleed
*Self-relieve pressure
*Drain valves on both up and down side of body
*Reliable sealing performance: PTFE spiral wound SS
Advantages:
*Full port,same diameter with pipeline, convenient for cleaning.
*Extended stem: for the buried ball valves its stem can extended as per customers ’ requirement.
*The grease valves can quickly and effectively reduce the leakage when seat broken.
*The self-lubricated seat and stem bearing reduce the operating toque.
For any valve question or requirement, you are welcomed to contact me at sweeyan68@。

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