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Basic structure of the pipeline pump is composed of six parts, namely the impeller, pump body, pump shaft,Four-Row Taper Roller Bearing , seal ring, stuffing box. According to the different installation methods can be divided into horizontal and vertical pipeline pump pipeline pump, general ISG and ISW letters. 1, the impeller is the core part of the pipeline pump, it high speed, the output is big, the impeller blades plays the main role, impeller in the assembly to through the static equilibrium experiments. The inside and outside surface of impeller on the requirements of smooth, to reduce the flow friction loss. 2, pipeline pump body also known as pump shell,Cross roller bearing it is the main body of the pump. Play a role in supporting fixed, and connected with the installation of the bearing bracket. 3, pipeline pump shaft coupling and motor is connected, the motor torque to the impeller, so it is the transmission of mechanical energy of the main components.