Causes and treatment 500HW-7 caused by poor installation Francis diving axial flow pump, Francis pump unit vibration: Poor installation caused submersible pump, mixed-flow pump unit vibration reasons: 1, the unit is installed bad; 2, loose fasteners ; 3, impeller blocked or clogged sewage gate; 4, pins are not in place; 5, the impeller and casing friction; 6, bearing damage; 7, blade damage due to blockage or runner adverse rotor balancing. Caused by poor installation of submersible pump, mixed-flow pump unit vibration treatment methods: 1, check the pump unit installation meets the requirements; 2, solid fasteners; 3, eliminate impeller blocked or clogged sewage gate; 4, positioning pin in place; 5, eliminating friction impeller and casing; 6, check the bearing is normal, or replace; 7, impeller balance correction or replacement impeller. Solve unexpected emergencies 200HW-8 used in urban water drainage 200HW-8 mixed flow pumps, groundwater and other cities bursting at: Francis pump 400HW-8 Scope: 1. 2: The mixed-flow pump for industrial plants sewage drainage, water and electricity and other emergencies each table. 3: 400HW-8 for residential rainwater drainage water flow pump without clogging, no power on-site, electricity and other practical issues Square. 4: 200HW-8 applies to the port fishery water flow pump 300HW-8, drainage, transporting mixed-flow pump, on-site power generation, can effectively improve work efficiency. 5: 200HW-8 assault flood control and drainage, drought emergency, temporary diversion, cofferdam pumping. Yasukuni mixed flow pump high flow pump _ HW_ Yongchang Pump (certified merchants) provided by Hebei Yongchang Pump Manufacturing Co., Ltd. Hebei Yongchang Pump Manufacturing Co. (www.hbycby.com) is specialized in the "slurry pump, water pump, pulp pumps, centrifugal pumps parts" of the enterprise, the company of "honesty, hard service" concept provide you with the highest quality products and services. Welcome to inquire! Contact: Xu Jiaqi.