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Home > Products > Mud Pump Parts > Piston > High Temperature Rubber Pump Piston Assembly
High Temperature Rubber Pump Piston Assembly
  • High Temperature Rubber Pump Piston Assembly

High Temperature Rubber Pump Piston Assembly

    Payment Type: T/T
    Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
    Delivery Time: 15 Days

Basic Info

Model No.: PISTON

Type: Cementing Fracturing Equipment

Usage: Well Drilling Machinery

Certification: ISO

Additional Info

Transportation: Ocean,Land,Air

Port: Tianjin

Product Description

Material classification:

Polyurethane rubber: It has excellent oil resistance and wear resistance. The working temperature is not higher than 120 C. It is suitable for oil-based mud with working pressure below 35Mpa and working environment with high sediment content.


Nitrile Butadiene Rubber (NBR) : It is suitable for ordinary drilling environment with working pressure below 20 Mpa and working temperature

not higher than 120 C. It has excellent wear resistance, chemical corrosion resistance and long service life in common drilling environment.



Piston Assembly


Piston and cylinder liner (some without cylinder liner and directly with the inner wall of the liquid cylinder) ,sealing elements are assembled on the piston assembly. The reciprocating motion of the piston alternately changes the volume of the working chamber and realizes the process of pumping, sucking and discharging by means of the pump valve. Therefore, piston must have: (1) good sealability; (2) sufficient strength and stiffness; (3) the connection between positioning of piston body and piston rod, piston ring should be firm and reliable.



Piston assembly is one of the main parts of the hydraulic end system of mud pump, and also one of the vulnerable parts in drilling work. The discharge pressure of mud pump is generated by reciprocating linear movement of piston assembly in piston. The piston assembly is composed of piston core, rubber sheet, clamp spring, pressure plate, etc. The material of piston core is 42CrMo, and the material of piston rubber is nitrile rubber or polyurethane rubber.


Rubber Pump Piston Assembly


Rubber Pump Piston Assembly


Material classification:
Nitrile Butadiene Rubber (NBR) : It is suitable for ordinary drilling environment with working pressure below 20 Mpa and working temperature not higher than 120 C. It has excellent wear resistance, chemical corrosion resistance and long service life in common drilling environment.

Polyurethane rubber: It has excellent oil resistance and wear resistance. The working temperature is not higher than 120 C. It is suitable for oil-based mud with working pressure below 35Mpa and working environment with high sediment content.

Hydrogenated nitrile butadiene rubber(HNBR) : suitable for high temperature, high pressure, high corrosion working environment, working pressure 75 Mpa, working temperature up to 150 C. Hydrogenated nitrile-butadiene rubber is a kind of rubber used in aviation. Hydrogenated nitrile-butadiene rubber (HNBR) is used in petroleum industry. It has good abrasion resistance, oil resistance and chemical resistance. It has good amine resistance and steam resistance. Especially in the high temperature and high pressure working environment, other rubber destroyed quickly under the action of hydrogen sulfide, carbon dioxide, methane, steam and acid, but hydrogenated nitrile-butadiene rubber showed good comprehensive properties.


Rubber Pump Piston


Rubber Pump Piston



We, Hebei Baoshi Special Flexible Rubber Chemical Industry Co., LTD, specialize in the field for more than 10 years, with the strength of RTP Pipe, Rubber Hose, orging-casting integrally-formed Union drilling hoses, high-pressure double-hook self-locking flame retardant hoses, oil/water self-Inflatable Packers (the above products are patent products), hydraulic expandable packers, wire spirally-wound hoses, high and low pressure wire braided hoses, flexible reinforced composite pipes, metal hoses, suction and discharge clay hoses, ripple compensators, high and low pressure unions, joints, Packer Rubber, seals, etc.


Rubber Pump Piston Cup



Rubber Pump Piston Cup

Looking for ideal Rubber Pump Piston Assembly Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Rubber Pump Piston are quality guaranteed. We are China Origin Factory of Rubber Pump Piston Cup. If you have any question, please feel free to contact us.

Product Categories : Mud Pump Parts > Piston

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