Air-Operated Pumps Centrifugal Pump Chemical Injection Pumps Impeller Types Multi-Stage Centrifugal Pump Pump Diffuser Pump Flow Classification General Axial Flow Pump Mixed Flow Pump General Wearing Rings Stuffing Box Mechanical Seal Cavitation Centrifugal Pump Net Positive Suction Head Preventing Cavitation in Centrifugal Pump Centrifugal Pump Characteristic Curve Centrifugal Pump Protection Centrifugal Pump Gas Binding Priming General Operation and Theory Plunger Pumps Rotary Pump Gear Pump Helix and Spur Gear Pump Lobe Type Gear pump Screw Type Positive Displacement Gear Pump Rotary Vane Type Positive Displacement Pump Diaphragm Pump Positive Displacement Pump Characteristic Curve Positive Displacement Pump Protection Hydrostatic Pumps Metering Pumps About

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There are several variations of gear pumps. The simple gear pump shown below, consists of two spur gears meshing together and revolving in opposite

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Rotary pumps operate on the principle that a rotating vane, screw, or gear traps the liquid in the suction side of the pump casing and forces..

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