The function of the backstop is to prevent the pump from rotating in the reverse direction. The working principle of the backstop is the same as that of the free wheel. Once the direction of rotation of the shaft is reversed, the backstop will block the pump rotor
Changsha Zoomlian Pump Co.,Ltd. is one of the largest centrifugal pump manufacturer in mainland China. The company has set up a production center,sales center,after sales center,technical center for various centrifugal design and production especially for multistage pump,split case pump and end suction single stage pump.
HD Add：International Enterprise Center,Changsha,Hunan,China