In order to improve the sewage pump life, and now most of the domestic and foreign manufacturers are wanted on the pump protection system approach, which leak in the pump, capable of automatic alarm overload, overtemperature faults, and automatically shutdown equipment repair. But we believe that the protection system set up in the sewage pump is necessary, it can effectively protect the safe operation of the electric pump. But the key issue is not to pump protection system is only a remedy after a pump failure, is a more passive approach. The question should proceed from the fundamental supply equipment, pump seal completely solve the problem pump overload, etc., this is a more proactive approach. To this end we expeller hydrodynamic pump seal technology and design technology used without overload submersible sewage pump, the pump seal greatly improved reliability and load capacity, extend the life of the pump. The advantages of this system are: 1, household settings, easy to use, flexible, and fully realize metering household use. 2, when the building area is large, and the internal load within the area of ??big occasions, use of the system is very beneficial. 3, enabling simultaneous cooling and heating functions in the building. 4, no separate room set up, fewer managers west Baoquan, feed pump, Zhengzhou Baoquan water pump provided by the West. Looking for "sewage lifting equipment, lifting equipment grease" fly suppliers choose to have the whole network business alliance certification: West Baoquan Water Treatment Equipment Co. (www.xianbaoquan.com), trustworthiness and reliability, now click on the page "Commercial Union Service" live chat with us now!