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Plunger pump maintenance and selection

by:Suncenter     2020-08-26
Swashplate axial piston pump is generally in the form of rotating cylinder body and face with flow. Cylinder on the face with a piece of oil distribution by double metal plate and steel plate of friction pair, and most is the use of plane flow matching method, so the maintenance is more convenient. Oil distribution plate is one of the key components of the axial piston pump, the pump is working, on the one hand working cavity of high pressure oil into the cylinder with oil pan, on the other hand oil distribution of oil film between plate and cylinder pressure formation of the hydraulic cylinder body reverse thrust to deviate from the cylinder body with oil pan. Cylinder hydraulic clamping force on the design of the oil distribution disc Fn slightly bigger than the oil distribution on the cylinder of hydraulic reverse thrust Ff, namely the Fn/Ff = 1. 05 ~ 1. 1, make the pump work normally and maintain high volumetric efficiency. Should pay attention to the following items: 1, determine the working condition of medium, medium the plunger natural gas booster pump are not allowed to appear large particulate matter, otherwise it will cause work breakdown, on iron pollution circumstance of the request should choose stainless steel piston pump, acidic or alkaline medium should choose anti-corrosion piston pump; 2, determine reasonable flow range, plunger pump type is nominal rated flow, should be considered when choosing the appropriate allowance range; Level 3, determine the applicable pressure, pressure rating of the plunger pump can achieve 2. 0 - 2. 5 mpa, should choose the variable pump with filter machine, slurry should choose low pressure pump, reduce waste; After more than 4, determine the parameters, according to the principle of peaceful big not small, according to the standard model choose YB series ceramics piston pump; 5, if in doubt, should contact the manufacturers, engineering and technical people, please help selection. Keywords: oil natural gas booster pump power plant, the axial plunger pump manufacturers, variable plunger pump manufacturers
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