Product Details

Komatsu Iran  WA 500-3 Wear Bushing/Ring 707-52-90861

Place of Origin Business Industrial
Certification follow your demand
Min.Order Quantity 1 pcs
Price $45.00
Payment Terms paypal,UnionPay, Visa/MasterCard, Amex, Discover,T/T

Product Features

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A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston. While piston pumps can be used to move liquids or compress gases, they have several distinct advantages. First of all, they can operate in wide range of pressures. High pressure operation can achieved without strong effect on flow rate. Secondly, piston pumps can deal with viscous media as Pioneer Hydraulic Co., LTDll as media containing solid particles.


A rotary vane pump is a positive-displacement pump that consists of vanes mounted to a rotor that rotates inside of a cavity. In some cases these vanes can have variable length and/or be tensioned to maintain contact with the walls as the pump rotates. It was invented by Charles C. Barnes of Sackville, New Brunswick, who patented it on June 16, 1874. There have been various improvements, including a variable vane pump for gases.


Gear pumps are also widely used in chemical installations to pump high viscosity fluids. There are two main variations; external gear pumps which use two external spur gears, and internal gear pumps which use an external and an internal spur gears (internal spur gear teeth face inwards, see below). Gear pumps are positive displacement (or fixed displacement), meaning they pump a constant amount of fluid for each revolution. Some gear pumps are designed to function as either a motor or a pump.

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Pioneer Hydraulic Co., LTD with advanced CNC cutting lathes, corresponding auxiliary equipment and the multifunction pump testing bench. Pioneer Hydraulic Co., LTD bring in the top technology and raw material and equipment such as the Double side grinding and lapping machine. also have a set-class technology Pioneer Hydraulic Co., LTD also have a series technology and outstanding management team 100% according to ISO standard.
Business Scope: Engineering machinery, Ship, Crane, Roller, Concrete mixer truck, Injection molding machine, Coal mining machinery and otherhydraulic equipments.

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