The advantages and disadvantages of pump industry suppliers to tell you: the gear pump and screw pump

talk gear pump and comparison of the advantages and disadvantages of screw pump

screw pump is formed by relying on the pump cylinder and the meshing gear working volume change and move to pump fluid or pressurization of the rotary pump. By two gear, pump body and cover of two closed space, when gears, gear side space volume from small greaten, forming a vacuum, the liquid suction, the side of the gear mesh from large to small volume of the space, and the liquid into line.

suction chamber and discharge chamber are separated by two gears meshing line. The gear pump outlet pressure depends on the size of the pump outlet resistance. Screw pump is a positive displacement rotor pump, it depend on is formed by the screw and the bushing to the change of volume of the sealed cavity suction and discharge of the liquid.

screw pump prominent advantage is medium without formation of eddy current, is not sensitive to medium viscosity, it can transport high viscosity medium. The advantages and disadvantages of gear pump gear pump: the advantages of reliable structure, stable working, low cost, can transport non-corrosive oil such as viscosity medium; itself bring relief valve, the medium pressure head is higher. Basic no pulse, compact structure, flow and pressure and the pressure is higher, than the gear pump smooth operation, low vibration and noise; Long service life, high efficiency, wide applicable types and viscosity of liquid.

the gear pump faults: not suitable for conveying liquid containing solid particles and liquid high volatile and low flash point.

since screw pump applications so widespread, so choose a suitable screw pump that is more important! Screw pump selection, should understand the using condition of pump as much detail as possible, in addition to the operating parameters, such as flow rate, pressure needs to be clear, the characteristics of medium such as corrosive medium, gas content, including ratio of solid solution and the size of the solid particles. Need for high viscosity medium or medium for heating or thermal insulation when choosing double pump heat pump body structure, heat transfer, should choose high temperature resistant material made of pump, please contact with our factory.

pump industry suppliers is the collection scientific research, design, production, management, services for the integration of production enterprises, the products are widely used in petroleum, chemical industry, metallurgy, electric power, mining, coking, medicine, printing and dyeing, food, paper making, environmental protection and other fields. The company has a modern self-priming pump performance testing means, equipment is excellent. Main production ZA, ZAO, ZE petrochemical water pump, screw pump, CZ chemical process pump, IH chemical water pump, forced circulation pump, SPP chemical mixed-flow pump of 28 kinds of material, 30 series more than 1000 specifications special alloy chemical pumps, valves, stainless steel pipe, fluorine pipe parts.

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