Fluid in gear pump operation

There is a small amount of fluid loss in the pump, which makes the pump can not run 100% efficiency, because these fluids are used to lubricate both sides of the bearing and gear, and the pump body must not be seamlessly fit, it can not make the fluid 100% discharged from the outlet, so a small amount of fluid loss is inevitable. However, the pump can still run well and still achieve efficiencies of 93% to 98% for most extruded materials. For fluids with varying viscosity or density in the process, the pump will not be affected too much. If you have a damper, such as a screen or a restrictor on the side of the outlet, the pump will push fluid through them. If this damper changes at work, ie if the screen becomes dirty, clogged, or the backpressure of the restrictor is increased, the pump will still maintain a constant flow until the mechanical limit of the weakest part of the device is reached (Usually fitted with a torque limiter).

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