Email:sales@upetgroupco.com

The Pistons UPET offered are made to exact tolerances and include a variety of extended wear materials yielding excel- lent service life. Piston has single action, double action, single action vulcanization and double action vulcanization piston ,which has A, K, B & L type. Outer round is determined based on the liner bore, it has 3″ to 8″ and piston has1”、1-1/2”、1-5/8″. Metric size it has 100mm to 220mm.

The piston assembly is one of the main parts of the hydraulic end system of the mud pump, and it is also one of the vulnerable parts in drilling work.The discharge pressure of the mud pump is generated by the reciprocating linear movement of the piston assembly in the piston.The piston assembly is composed of piston core, rubber, circlip, pressure plate, etc.

The piston and the cylinder liner (some have no cylinder liner and are directly connected to the inner wall of the liquid cylinder) form a pair of dynamic seals, and the sealing elements are assembled on the piston.Through the reciprocating movement of the piston, the volume in the working chamber is alternately changed, and the suction and discharge process of the pump is realized by means of the pump valve.Therefore, the piston must be required to have: ① good sealing; ② sufficient strength and stiffness;③The connection and positioning of the piston body and the piston rod, piston ring, etc. should be firm and reliable.

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