Petro Parda Co. Enginering, supply and construction of oil, gas & waste water treatment
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the flowing bodies. The areas of contact has teflon mold making the product applicable to places where anti-corrosive characteristic is needed instead of high steel alloy valve. The disc with a attached hinge between the valve’s body and the flange moves to stop or allow to flow.
Usage:
1) Prevent of the counter rotation of the pump motor
2) Shock prevention of the pump
3) Shut-off function when the back head is high 
