129900-42001 4TNV94 Or 4TNV98 Engine Water Pump For DH60 R80 ZX75-5A

Product Description

The structural design of the engine cooling water pump must meet the requirements of the general layout of the engine, so that the direction of the inlet and outlet flow channel of the pump, the shape and section of the worm gear chamber, the layout of the inlet and outlet of the pump, the structure and basic size of the impeller inlet are often difficult to meet the normal hydraulic design requirements, which directly affects the improvement of operation performance including efficiency. The structure of the inlet chamber of the engine cooling water pump is divided into straight cylinder or spiral body, and the structure of the outlet chamber is spiral body, which is integrated with the engine casting. The structural and geometric parameters of impeller have a decisive impact on the operation performance of water pump. The engine cooling water pump generally adopts the semi open impeller structure without front cover plate

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