[Three rain valve to recommend star products - mechanical seals] Description: in submersible sewage pump discharge line should be set up to control valves, check valves, flexible rubber pipe joints and pressure gauge. National Building Standard Design Atlas 01S305 "small submersible sewage pump selection and installation" in the control valve is recommended valve CDL2-20 stainless steel pumps, also may be employed as needed butterfly; sewage valve ball check valve is recommended. Submersible sewage pumps and submersible pumps from the submersible motor assembled into units, or by the diving motor shaft end pump components mounted directly on one product pump, submersible sewage pump underground water or dive into rivers, lakes, oceans and other water Water work situations. [Three rain valve to recommend Star Products - Mechanical seal] Introduction: When submersible sewage pump motor power less than 7.5kW or stainless steel pump outlet diameter less than DN100, you can set the hose mobile installation. When the sewage sump using submersible sewage pump drain CDL2-15 stainless steel pumps, water pumps should be set fixed auto device, easy pump maintenance. Drain pump should be able to automatically start and stop and start and stop the scene manually. Multiple pumps can be run in parallel alternately, it can also be segmented into operation. CDL2-20 stainless steel pumps | three rain valve (certified) | Fengtai stainless steel pumps supplied by Valve Co., Ltd. Tianjin three rain. Valve Co., Ltd. of Tianjin, rain (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. Three rain valve leadership with the staff warmly welcome all inquiries negotiations to create three rain valve better future.