1, Grundfos is one of the leaders in the global pump industry, with an annual output of nearly160,000 sets. Circulating pump for heating and air conditioning, centrifugal pump and metering pump for industry, water supply and sewage treatment are its main products. Today, Gryffindor is the largest manufacturer of circulating pumps in the world, and its products cover about 50% of the world market.
2. Dongyin Pump Industry Co., Ltd. was established in 1993, specializing in the research, development, production and sales of well submersible pumps, small submersible pumps and land pumps. Specializing in the research, development, production and sales of well submersible pumps, small submersible pumps and land pumps.
3. Dalian Deep Blue Pump Co., Ltd. is a wholly-owned subsidiary of Dalian Deep Blue Group, which is one of the largest manufacturers of chemical process pumps in China, the first national brand in the chemical pump industry and one of the two major suppliers of nuclear pumps supported by the state. Products have been widely recognized in China, and gained a good market share and excellent market performance.
Maintenance of sewage pump:
1, check whether the sewage pump pipeline and connector are loose. Turn the sewage pump by hand to see if it is flexible.
2. Add bearing lubricating oil into the bearing body, observe that the oil level should be at the center line of the oil standard, and replace or replenish the lubricating oil in time.
3. Unscrew the water diversion plug of the sewage pump body and pour water (or mud). Self-priming sewage pump
4. Close the gate valve, outlet pressure gauge and inlet vacuum gauge of the outlet pipeline.
5. Inch the motor to see if the motor turns correctly.
6. Start the motor. When the sewage pump is running normally, open the outlet pressure gauge and the imported vacuum pump, and then gradually open the gate valve to check the motor load.