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Adopting the principle of internal gear mesh, the inner and outer gears are close to one side, and the other side is separated by the "crescent plate" on the pump cover. The active inner gear on the main shaft drives its outer gear to rotate in the same direction, and the gears separate from each ot

Today Keister Hydraulics has been successfully approved to be the supplier of the vane pump products of T6 and T7 series for one of the leading OEM manufacturers of the large-scale machines. After being tested for nearly half years, Keister’s T6 and T7 vane pumps passed field testing of various of

Pump Start-up Procedure Preparation Prior to Start-up The reservoir and circuit should be clean and free of dirt and debris prior to filling with fluid. Circuit Cleanup The reservoir should be charged with filtered hydraulic fluid. The fluid level should be sufficient to prevent vortexing at the suc