) Check all bolts and screws are loose, tighten if necessary. 3) Check the pump rotation is correct. Before normal operation may be driving tests, such as turn in the opposite IH125-100-315A, should stop in time. In terms of motor-driven IH125-100-200B, the two-phase connection for access to any position; if the diesel-powered, you should check with the connection is correct. Fourth, the performance range IH stainless steel chemical pump: flow rate Q: 6.3 ~ 400m3 / h Head H: 5 ~ 132m speed n: 2900,1450r / min equipped with power: 0.55 ~ 110KW inlet diameter: 50 ~ 200mm maximum working pressure: 1.6MpaIH chemical pump has 29 basic type, in which 22 pairs of speed (2900,1450r / min) through A, B two types of after cutting impeller diameter variations, up to 112 specifications. IH125-100-250, chemical centrifugal pump mechanical seal (certification), provided by the Shijiazhuang-Pump Co., Ltd. faction. Shijiazhuang-school Pump Co., Ltd. (www.shipaipump.com) is Shijiazhuang, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Pump in Shijiazhuang-school leadership with the staff warmly welcome all inquiries negotiations to create the Shijiazhuang-pump send a better future.