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Cowinns Industry Equipment Co.,Ltd
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bare stem 6'' 900LB A105 trunnion mounted full port RF ball valve

bare stem 6'' 900LB A105 trunnion mounted full port RF ball valve

  • Valve type: Ball valve
  • Port size:6''
  • Pressure:900LB
  • Material: A105
  • End: RF
  • Operation: bare stem
  • Application: Stem
  • Medium : Stem
  • Working temperature: high pressure

Features:

Sideentry design

Anti Blow-out Stem:The stem is made separately from the ball. The lower end of the stem isdesigned

withan integral shoulder to be blowout-proof.

Anti-staticDevice: The Antistatic Device is a standard feature of the Cowinns ball valve.

Firesafe design:

The trunnion ballvalve feature : On a ball with a free floating ball, the ball isforced against the down-stream

seat bythe fluid pressure acting on the entire surface of the ball.

Sincethe resulting torque is a product of the friction force and the seat-ball

contactradius, the break to open torque increases substantially with the

increasingof the differential pressure and/or the size of the valve.

Thismeans that above a certain size and/or a certain differential pressure the

requiredbreak to open torque will be so high that it will be impossible to

operatethe valve.


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