
The ZW self-priming, clog-free sewage pump combines self-priming ability with unobstructed waste pumping. Thanks to its axial recirculating external mix design, unique pump housing and wide impeller bore, it can operate without a foot valve, just like standard self-priming clean water pumps. Also, no filling water is required.
The ZW self-priming, clog-free sewage pump combines self-priming ability with unobstructed waste pumping. Thanks to its axial recirculating external mix design, unique pump housing and wide impeller bore, it can operate without a foot valve, just like standard self-priming clean water pumps. Also, no filling water is required. It effectively treats wastewater containing large solids, long fibers, sludge, mineral waste, post-treatment wastewater and all types of industrial wastewater. This greatly reduces labor intensity while ensuring ease of use, portability, simple installation, minimal maintenance and stable performance. Operating conditions: ambient temperature ≤45 °C, medium temperature ≤120 °C, medium pH range: 6–9 for cast iron pumps, 1–14 for stainless steel pumps. Maximum particle diameter: 60% of pump diameter; fiber length: 5 times the diameter. The total weight of impurities in the medium should not exceed 15% of the total weight of the medium. The specific gravity of the medium should not exceed 1240 kg/m³.
| Serial number
| Name
| Serial number
| Name
| Serial number
| Name
|
| 1 | Imported flange | 2 | Check valve | 3 | Valve seat |
| 4 | Injection pipe | 5 | Outlet flange | 6 | Pump housing |
| 7 | Gas-liquid separator pipe | 8 | Sealing cap | 9 | Impeller |
| 10 | Mechanical seal | 11 | Bearing housing | 12 | Front bearing |
| 13 | Pump shaft | 14 | Rear bearing cover |
| Operating principle | Self-priming pump |
| Application: | Water, oil, chemicals, food |
| Dimensions: | 32-200mm |
| Consumption: | 3.2~280m3/h |
| Pressure: | 12~80m |
| Power: | 1.1~90kW |
| Suction lift: | 5-6.5m |
| Material: | Cast iron, SS304, SS316, duplex stainless steel (copper impeller) |
| Impeller type | Closed impeller/wide bore impeller |
| Maximum temperature: | 120°C (maximum temperature: 200°C, adjustable) |
ZW series self-priming pumps do not require the installation of a foot valve, provided that a sufficient amount of primer fluid is maintained in the pump body. Our range of pumps meets future demands for cost-effective and reliable pumping solutions. With a maximum operating temperature of 120°C they are suitable for use in the marine, industrial and water/wastewater industries.
Marine Applications
Municipal wastewater treatment projects
Aquaculture in ponds and rivers
Light industry
Agriculture
Recycling of paper, textiles, fibers and pulp
Chemical and electrical industry
Fuel oil pumping
Mixed suspensions
Chemical media
| Model | caliber(mm) | consumption (m3/h) | pressure (m) | Power (kw) | rotation speed (r/min) | Self-fill time (min/5m) | efficiency (%) | Cavitation edge (m) | Head (m) Range of application
| Weight (kg) | |
| Login | Exit | ||||||||||
| 25ZW8-15 | 25 | 25 | 8 | 15 | 1.5 | 2900 | 3 | 45 | 2.0 | 10-15 | 100 |
| 25ZW8-30 | 25 | 25 | 8 | 30 | 3 | 2900 | 3 | 45 | 2.0 | 24-30 | 120 |
| 32ZW5-20 | 32 | 32 | 5 | 20 | 2.2 | 2900 | 3 | 45 | 2.5 | 15-20 | 100 |
| 32ZW10-20 | 32 | 32 | 10 | 20 | 2.2 | 2900 | 3 | 45 | 2.5 | 15-20 | 100 |
| 32ZW9-30 | 32 | 32 | 9 | 30 | 3 | 2900 | 3 | 48 | 2.5 | 24-30 | 120 |
| 40ZW10-20 | 40 | 40 | 10 | 30 | 2.2 | 2900 | 3 | 45 | 2.5 | 15-20 | 100 |
| 40ZW20-15 | 40 | 40 | 20 | 15 | 2.2 | 2900 | 3 | 45 | 2.5 | 10-18 | 100 |
| 40ZW15-30 | 40 | 40 | 15 | 30 | 3 | 2900 | 3 | 48 | 2.5 | 24-30 | 120 |
| 50ZW10-20 | 50 | 50 | 10 | 20 | 2.2 | 2900 | 3 | 45 | 2.5 | 15-20 | 100 |
| 50ZW20-12 | 50 | 50 | 20 | 12 | 2.2 | 2900 | 3 | 45 | 2.5 | 10-18 | 100 |
| 50ZW18-20 | 50 | 50 | 18 | 20 | 3 | 2900 | 3 | 45 | 2.5 | 18-22 | 120 |
| 50ZW15-30 | 50 | 50 | 15 | 30 | 3 | 2900 | 3 | 48 | 2.5 | 24-30 | 120 |
| 50ZW20-35 | 50 | 50 | 20 | 35 | 5.5 | 2900 | 3 | 48 | 2.5 | 25-35 | 150 |
| 50ZW25-30 | 50 | 50 | 25 | 30 | 5.5 | 2900 | 3 | 48 | 2.5 | 25-30 | 150 |
| 50ZW20-40 | 50 | 50 | 20 | 40 | 7.5 | 2900 | 3 | 48 | 2.5 | 32-40 | 200 |
| 50ZW20-50 | 50 | 50 | 20 | 50 | 11 | 2900 | 3 | 48 | 2.5 | 40-50 | 250 |
| 65ZW30-18 | 65 | 65 | 30 | 18 | 4 | 2900 | 3 | 45 | 2.5 | 13-18 | 160 |
| 65ZW30-18 | 65 | 65 | 30 | 18 | 4 | 1450 | 3 | 45 | 2.5 | 13-18 | 200 |
| 65ZW25-30 | 65 | 65 | 25 | 30 | 5.5 | 2900 | 3 | 50 | 3.0 | 25-30 | 200 |
| 65ZW25-40 | 65 | 65 | 25 | 40 | 7.5 | 2900 | 3 | 50 | 3.0 | 32-40 | 200 |
| 65ZW40-25 | 65 | 65 | 40 | 25 | 7.5 | 2900 | 3 | 50 | 3.0 | 20-25 | 200 |
| 65ZW50-30 | 65 | 65 | 50 | 30 | 7.5 | 2900 | 3 | 50 | 3.0 | 25-30 | 200 |
| 65ZW65-25 | 65 | 65 | 65 | 25 | 7.5 | 2900 | 3 | 52 | 3.0 | 20-25 | 200 |
| 65ZW25-50 | 65 | 65 | 25 | 50 | 11 | 2900 | 3 | 53 | 3.0 | 40-50 | 280 |
| 80ZW40-16 | 80 | 65 | 40 | 16 | 4 | 2900 | 3 | 50 | 3.0 | 13-18 | 180 |
| 80ZW40-16 | 80 | 65 | 40 | 16 | 4 | 1450 | 3 | 50 | 3.0 | 13-18 | 200 |
| 80ZW50-20 | 80 | 65 | 50 | 20 | 5.5 | 1450 | 3 | 50 | 3.0 | 13-20 | 240 |
| 80ZW40-25 | 80 | 65 | 40 | 25 | 7.5 | 2900 | 2 | 50 | 3.0 | 20-25 | 200 |
| 80ZW25-40 | 80 | 65 | 25 | 40 | 7.5 | 2900 | 2 | 50 | 3.0 | 32-40 | 200 |
| 80ZW65-25 | 80 | 65 | 65 | 25 | 7.5 | 2900 | 2 | 52 | 3.0 | 20-25 | 240 |
| 80ZW80-20 | 80 | 65 | 80 | 20 | 7.5 | 1450 | 3 | 52 | 3.0 | 10-20 | 240 |
| 80ZW80-35 | 80 | 65 | 80 | 35 | 15 | 2900 | 3 | 45 | 3.0 | 30-35 | 285 |
| 80ZW40-50 | 80 | 65 | 40 | 50 | 18.5 | 2900 | 2 | 50 | 3.0 | 40-50 | 293 |
| 80ZW50-60 | 80 | 65 | 50 | 60 | 22 | 2900 | 3 | 55 | 3.0 | 48-60 | 326 |
| 100ZW100-15 | 100 | 80 | 100 | 15 | 7.5 | 1450 | 3 | 50 | 4.0 | 10-15 | 300 |
| 100ZW80-20 | 100 | 80 | 80 | 20 | 7.5 | 1450 | 3 | 53 | 4.0 | 10-20 | 300 |
| 100ZW100-20 | 100 | 80 | 100 | 20 | 11 | 1450 | 3 | 53 | 4.0 | 12-20 | 340 |
| 100ZW100-30 | 100 | 80 | 100 | 30 | 22 | 2900 | 2 | 53 | 4.0 | 25-30 | 510 |
| 100ZW80-45 | 100 | 80 | 80 | 45 | 30 | 2900 | 2 | 55 | 4.0 | 35-45 | 560 |
| 100ZW80-60 | 100 | 80 | 80 | 60 | 45 | 2900 | 2 | 53 | 4.0 | 50-60 | 585 |
| 125ZW120-20 | 125 | 125 | 120 | 20 | 15 | 1450 | 2 | 55 | 4.0 | 8-15 | 500 |
| 150ZW180-14 | 150 | 125 | 180 | 14 | 15 | 1450 | 3.5 | 60 | 5.0 | 8-14 | 500 |
| 150ZW150-20 | 150 | 125 | 150 | 20 | 15 | 1450 | 3.5 | 60 | 5.0 | 8-15 | 500 |
| 150ZW200-15 | 150 | 125 | 200 | 15 | 18.5 | 1450 | 3.5 | 60 | 5.0 | 8-15 | 550 |
| 150ZW200-20 | 150 | 125 | 200 | 20 | 22 | 1450 | 3 | 60 | 5.0 | 10-20 | 570 |
| 150ZW180-20 | 150 | 125 | 180 | 20 | 22 | 1450 | 3 | 60 | 5.0 | 10-20 | 570 |
| 150ZW160-30 | 150 | 125 | 160 | 30 | 30 | 1450 | 3 | 65 | 5.0 | 20-30 | 680 |
| 150ZW180-30 | 150 | 125 | 180 | 30 | 37 | 1450 | 3 | 65 | 5.0 | 20-30 | 700 |
| 150ZW180-38 | 150 | 125 | 180 | 38 | 55 | 1450 | 3.5 | 45 | 5.0 | 30-38 | 800 |
| 150ZW150-45 | 150 | 125 | 150 | 45 | 55 | 1450 | 3.5 | 45 | 5.0 | 35-45 | 800 |
| 200ZW280-14 | 200 | 150 | 280 | 14 | 22 | 1450 | 3 | 65 | 5.0 | 8-14 | 820 |
| 200ZW280-20 | 200 | 150 | 280 | 20 | 37 | 1450 | 3 | 62 | 5.0 | 10-20 | 910 |
| 200ZW300-20 | 200 | 150 | 300 | 20 | 45 | 1450 | 3 | 59 | 5.0 | 15-25 | 948 |
| 200ZW280-28 | 200 | 150 | 280 | 28 | 55 | 1450 | 3 | 55 | 4.8 | 18-28 | 1090 |
| 250ZW420-20 | 250 | 200 | 420 | 20 | 55 | 1450 | 2.5 | 61 | 6.0 | 12-20 | 1150 |
| 300ZW800-14 | 300 | 250 | 800 | 14 | 55 | 1450 | 2.5 | 65 | 6.0 | 8-14 | 1400 |
With over 16 years of experience, we are a specialized self-priming pump manufacturer in China, offering superior quality equipment at competitive prices. If you are looking for a supplier of self-priming pumps, please contact us for prices. We offer diesel or electric drive options. We invite you to visit us.