[Three rain valve to recommend star products - mechanical seals] Introduction: AS, AV, QW (WQ), JYWQ various series and foreign brands of submersible sewage pumps are portable and fixed installation installed in two basic forms. In accordance with the National Building Standard Design Atlas 01S305 "small submersible sewage pump selection and installation" choice. Wherein the hose connection mobile installation is limited to motor power N≤7.5kW submersible sewage pump and discharge pipe diameter DN≤100mm occasions. [Three rain valve to recommend Star Products - Mechanical seal] Description: Automatic installation of the system by coupling means QY25-40-5.5 pump, the pump automatically connected or disconnected during installation and removal of the piping system. WQ submersible sewage pump is an important and indispensable water treatment equipment. Its direct impact on the safe operation of the safe operation of the pump the entire water system, therefore, WQ submersible sewage pump, the most important issue is to ensure the reliability of the pump, sewage pump key issues affecting the reliability of another the sealing performance of the pump and pump life QY260-6-5.5 no overload capability as well as important parts in the pump seal, using a hydrodynamic expeller seal and mechanical seal combination of new sealing technology, sealing reliability greatly improved. QY65-18-5.5 pumps, water pumps selected three rain valve (already certified pumps provided by the Tianjin Xiqing, rain Valve Co., Ltd. Tianjin three rain Valve Co., Ltd. (www.tjsymf.com) (www .tjsymf.com) is a leader in Tianjin, seals, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs in three rain valve leadership with the staff warm welcome all inquiries negotiations to create three rain valve better future.