Impeller can generally be divided into single-suction impeller double suction impeller two. Single suction impeller shown in Figure l-2, it is unilateral suction IS65-50-125 mechanical seal, the front cover and back cover of the impeller asymmetrical shape. Double suction impeller suction sides shown in Figure 1-3, the impeller cover symmetrical shape, most of the general high flow centrifugal double suction impeller. Third, the main parts of centrifugal pumps: centrifugal pump is made up of many component parts, according to the working conditions in which the various components work, can be divided into three types: rotary member, the fixing member and the transfer member. Mechanical seal, IS65-50-125A mechanical seal, water pump (high merchant) provided by the Shijiazhuang-Pump Co., Ltd. faction. Shijiazhuang-school Pump Co., Ltd. (www.shipaipump.com) is specialized in "slurry pumps, submersible pumps, sewage pumps, chemical pump, pulp pump, water pump, mud pump, multi-stage" of the enterprise, the company of " honesty, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Manager Xu.