Abstract：This paper analyze the situation of the Sh type centrifugal water pump axle seal to leak, discusses the function of the Sh type centrifugal water pump water seal pipe, points out the way to set up the regulating valve on the water seal pipe. It could extend the seal life and improve the seal effect.
李多民. Sh型双吸单级离心泵水封管功能分析[J]. 排灌机械工程学报, 2001, 19(3): 13-14.
LI Duo min. Function Analysis of the Sh type Centrifugal Water Pump Water seal Pipe. Journal of Drainage and Irrigation Machinery Engin, 2001, 19(3): 13-14.
