400HW-12 mixed-flow pump with a reasonable structure 500hw7 flow pump, reliable, easy maintenance Francis pump 150HW-8, and high-efficiency mixed-flow pump, small 300hw8 mixed flow pumps, light weight advantages. 400HW-12 400HW-12 mixed-flow pump parameters: flow rate Q 180 ~ 900m3 / s Head H 3 ~ 12.5m HBC Mixed Model Description: 400HW-12 mixed-flow pump material of main parts: water pump impeller shaft type pump cover seal HT200 HT200 45 # HT200 HT250 packing pulp type cast iron ball head 45 # HT250 packing or mechanical seal packing or mechanical seals, depending on PH value of the solution may be mixed sewage pump sets type HW: Complete supply of pumps, motors and chassis or mounting plate Cause 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, fasteners loose; 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. Mixed-flow pump, mixed-flow pump, manufactured by Hebei Yongchang Yongchang Pump Pump Limited. Mixed-flow pump, mixed-flow pump, Yongchang Pump Manufacturing Co. Hebei Yongchang Pump (www.hbycby.com) this year introduced a new upgrade, the above picture is for reference only, please call the contact phone or pictures on this page, for the latest Information, Contact: Xu Jiaqi.