How to choose oil pump?

How-to-choose-oil-pump

How to choose oil pump?
1: liquid properties, including the name of the liquid medium, physical properties, chemical properties and other properties, physical properties with temperature c d density, viscosity, u, solid particle diameter and gas content in the medium, etc., which involves the system pressure, the dynamic calculation and appropriate pump type: chemical properties, mainly refers to the chemical corrosion resistance and toxicity of liquid medium, is to choose the material selection and a gear pump shaft seal type of important basis.
2: flow is one of the important performance data matching gear oil pump, it is directly related to the entire plant production capacity and transmission capacity.Choose cycloidal gear pump, based on maximum flow, normal flow, give attention to two or morethings when there is no maximum flow, usually preferable 1.1 times that of the normal flow for maximum flow.General industrial pump can be ignored in the process of pipeline system leakage, but affected by the change of flow must be considered.
3: pressure needed for the gear system is another important to choose the gear oil pump performance data, generally after amplification 5% – 5% margin pressure is to be used for selection of cycloid gear pump models.This includes: suction pressure oil pool, pressure, discharge of oil pool in the pipe system pressure drop (pressure loss).
4: gear oil pump device system piping layout condition refers to send liquid height, to send, send liquid to liquid distance.For the system pressure calculation and checking power.Data pipeline system should also make the device characteristic curve, if necessary.
5: a lot of oil pump of operating conditions, such as the operation of the liquid temperature, suction side pressure and discharge side pressure container, altitude, temperature, clearance or continuous operation, the position of the gear pump is a fixed or movable.

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