4) the need to pump irrigation water, irrigation water should be. In irrigation water pump, hand rotation coupling or pulley to discharge the air in the impeller. 5) stainless steel centrifugal starting gate should be closed, in order to reduce the starting load. After starting gate should be open. Features introduced 1, energy efficient: IH chemical centrifugal pump efficiency than F-type high 3 ~ 5% IH150-125-250A pump, is the ideal energy-saving products; 2. seal: seal in packing or mechanical seals two seal pump cover can be common; 3, suspension components: suspension components using a common design, high degree of common, high reliability. 4, Material: main flow passage components made of stainless steel, to meet the different media transport IH150-125-250B pump, long service life. 5, fully sealed shaft: shaft using bushings, fight caps, seals and "O" ring seal IH125-100-400B pump, make sure that the shaft does not contact the media, to improve the life of the shaft. Using a common design, high degree of common. IH150-125-250B pump, pump, chemical pump mechanical seal Ltd. provided by the Shijiazhuang-send pump. Shijiazhuang-school Pump Co., Ltd. (www.shipaipump.com) strong, credible, and other industries in other Shijiazhuang, Hebei accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shijiazhuang-faction pump into the brilliant and you work for a better future!