Model significance: as MD600-60 × 6D- represent multi-stage water pump design point flow rate of 600 indicates 600m3 / h60- represent the design point 60m6- expressed as a number of stages six 150D30 × 7150- represents the pump suction diameter 150D - represents multi-stage water pump design point flow represents 30- 30m7- expressed as performance 6 Series range: pump suction and discharge diameter 40 ~ 300m flow Q = 3.75 ~ 850m3 / h Head H = 19 ~ 816m 4 , is set lower than the design flow requirements. Pump blockage. 65D8X8 multi-stage pump. Seal ring wear too much. Insufficient number of revolutions. Wash pumps and tubes. Replace sealing ring. Increase the number of revolutions of the pump shaft 5, the power consumption of the pump is too large. Packing gland too tight. Functional heat grave material impeller wear. Increased water pump set. Loosen the packing gland. Replace the impeller. 65D8X6 multi-stage pump. Increase the outlet pipe to reduce the flow of spiritual resistance. 6, pump internal sound unusual, no water pump. Too much traffic. Suction tube resistance is too large. In the suction of the air; incorporation. The suction fluid temperature is too isolated. Increase in the outlet pipe to reduce the flow resistance of the spirit. Check the pump suction pipe. Check the bottom valve. Reduce suction lift. Plugging leakage Department. Reduce suction lift. Multi-stage pump _65D8X6 multistage pump _ mechanical seal (quality businessmen) Ltd provided by the Shijiazhuang-send pump. Shijiazhuang-school Pump Co., Ltd. (www.shipaipump.com) is specialized in "slurry pumps, submersible pumps, sewage pumps, chemical pump, pulp pump, water pump, mud pump, multi-stage" of the enterprise, the company of " honesty, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Manager Xu.