ZW-type self-priming non-clogging sewage pump selection purposes and use

ZW-type self-priming non-clogging sewage pump works: The pump body is provided with a storage chamber, and through the top of the return hole and the lower circulation hole communicating with the pump working chamber to form the axial pump plus Out-flow mixed system. Pump stopped working, the pump cavity has a certain volume of liquid storage. When the pump starts, the relevant authorities in the liquid under the action of the impeller, the entrained air is thrown up, the liquid through the gas-liquid separation pipe grid back to the working chamber, the gas is discharged from the pump, the pump to form a certain The degree of vacuum to achieve the role of self-absorption. ZW self-priming sewage pump technology selection: Model diameter (mm) flow (m3 / h) head (m) motor power (kw) self-priming height (m) 25ZW8-15 25 × 25 8 15 1.5-2P 5 32ZW10-20 32 × 32 10 20 2.2-2P 40ZW20-15 40 × 40 20 15 2.2-2P 40ZW15-30 15 30 3.0-2P 50ZW10-20 50 × 40 10 20 2.2-2P 50ZW20-15 20 15 2.2-2P 50ZW18 -22 18 22 3.0-2P 50ZW15-30 15 30 3.0-2P 65ZW30-18 65 × 50 30 18 4.0-2P 65ZW20-30 20 30 5.5-2P 65ZW25-40 25 40 7.5-2P 80ZW40-16 80 × 65 40 16 4.0-4P 80ZW65-25 65 25 7.5-2P 80ZW80-35 80 35 15.0-2P 80ZW50-60 50 60 22.0-2P 80ZW80-45 80 45 22.0-2P 100ZW80-20 100x80 80 20 7.5-4P 100ZW100-15 100 15 7.5-4P 100ZW100-20 100 20 11.0-4P 100ZW100-30 100 30 22.0-2P 100ZW80-45 80 45 30.0-2P 100ZW80-60 80 60 37.0-2P 100ZW80-80 80 80 45.0-2P 125ZW120-20 125x125 120 20 15.0-4P 150ZW200-15 150 × 150 200 15 15.0-4P 150ZW200-20 200 20 22.0-4P 150ZW200-28 200 28 30.0-4P 150ZW400-25 400 25 55.0-2P 150ZW180-40 180 40 55.0-4P 200ZW280- 12 200 × 150 280 12 22.0-4P 200ZW300-18 300 18 37.0-4P 200ZW300-25 3 00 25 45.0-4P 200ZW280-28 280 28 55.0-4P 250ZW400-22 250 × 200 400 22 55.0-4P 300ZW800-14 300 × 250 800 14 55.0-4P ZW self-priming sewage pump main applications: non-clogging sewage pump for Discharge of seriously polluting wastewater in factories, sewage discharge stations in the main house, water supply systems in urban sewage treatment plants, drainage stations in civil air defense systems, water supply equipment in waterworks, sewage discharges in hospitals and hotels, municipal engineering construction sites and mine facilities Attached to the machine, rural biogas digesters, farmland irrigation and other industries, conveyor belt particles of sewage, dirt, can also be used for water and with weak corrosive media. ZW self-priming sewage pump use: 1, before use, should check the pump rotation direction is correct, the rotation is flexible. 2, unscrew the dosing liquid plug above the pump body, fill the stock solution, and then tighten the plug. Do not need to add liquid after boot. Pump operation should not start in case of inadequate pump, otherwise the pump can not work properly, and easy to damage the mechanical seal. 3, boot, you should open the outlet flow control valve to facilitate the process of self-absorption of gas discharge. After starting, adjust the opening of the outlet flow control valve so that the pressure gauge readings point to the specified area (various pump pressure control range table), to avoid the pump to work within the lower limit of the specified area, to prevent the shaft power over Large and cause motor overload burnout or due to excessive flow pump cavitation, affecting the normal operation of the pump, the pump strong vibration and noise. 4, during operation, should always check the temperature rise of the pump and motor, such as noise and other abnormal sounds should be found out of inspection, troubleshooting can be re-run. 5, downtime, you should first close the outlet flow control valve, and then stop, so as to avoid the role of siphon caused the lack of liquid storage in the pump. 6, Regular refueling, maintenance, such as long-term use should be disassembled to clean the oil, properly preserved. (Editor: Yunhai QQ :) Recommended reading: 2017 exhibition information

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