Granfurt, Dongyin, Deep Blue Pumps are some of the better brands of sewage pumps.
1, Grundfos is one of the global leaders in the pump industry, its annual production volume of nearly 16 million units per year. Circulation pumps for heating and air conditioning, centrifugal pumps and metering pumps for industry, water supply and sewage treatment are its main products. Today, Grundfos is the world's largest manufacturer of circulation pumps, with such pumps covering approximately 50% of the world market.
2, Dongyin Pump Industry Co., Ltd. was first established in 1993, specializing in well submersible pumps, small submersible pumps, land pumps, research and development, production and sales. Specializing in well submersible pumps, small submersible pumps, land pumps, research and development, production and sales.
3, Dalian Deep Blue Pump Co., Ltd. is a wholly owned subsidiary of Dalian Deep Blue Group, is currently one of the largest manufacturers of chemical process pumps in China, is the first national brand in the chemical pump industry, and is one of the two main suppliers of nuclear pumps supported by the state. The products are widely recognized in China and have gained good market share and excellent market performance.
Sewage pump maintenance:
1, check the sewage pump pipeline and the combination of any loose phenomenon. Turn the sewage pump by hand, try to see whether the sewage pump is flexible.
2, to the bearing body to add bearing lubricating oil, observe the oil level should be in the center line of the oil mark, lubricating oil should be replaced or supplemented in time.
3, unscrew the sewage pump pump body lead screw plug, filling lead water (or lead slurry). Self-priming sewage pump
4, close the gate valve of the outlet pipe and the outlet pressure gauge and the inlet vacuum gauge.
5, point the motor, try to see whether the motor steering is correct.
6, start the motor, when the sewage pump is running normally, open the export pressure gauge and the import vacuum pump to see it show the appropriate pressure, and then gradually open the gate valve, and at the same time check the motor load.