Reference image. Final construction follows the confirmed model and quotation.
Sewage Pumps
ZWL Self-Priming Non-Clogging Sewage Pump
Model: ZWL
ZWL Self-Priming Non-Clogging Sewage Pump is designed for tank unloading, drainage, irrigation and industrial liquid transfer. DFIN Pump provides model verification, material selection and technical support based on the actual duty point.
TECHNICAL DATA
Specifications, performance and construction
Confirm the final operating point, materials, motor and connection standard before ordering.
Product Overview
ZWL Self-Priming Non-Clogging Sewage Pump is an industrial self-priming pump selected for tank unloading, drainage, irrigation and industrial liquid transfer. The final configuration should be verified against the actual liquid, duty point, temperature, installation and power supply.
Typical Applications
Tank unloading, drainage, irrigation and industrial liquid transfer.
Design Features
- Self-priming operation
- Simple pipework arrangement
- Easy inspection and maintenance
- Model and material selection supported by DFIN Pump engineers
Extracted Operating Data
- 1 ≤45℃， ≤60℃
Values are reference data from the authorized source catalog. Confirm the selected model before ordering.
Technical Performance Data
| No. | Part name | No. | Part name | |
| 1 | Inlet takes over | 5 | impeller | |
| 2 | Inlet one-way valve | 6 | mechanical seal | |
| 3 | Water outlet takeover | 7 | Bearing seat | |
| 4 | Pump body | 8 | pump shaft |
|
Self-inspiration unblocked sewage pump failure |
Possible Cause Analysis of Self-priming Non-clogging Sewage Pump |
Self-absorption self-contained sewage pump failure method |
|
Self-priming non-clogging sewage pump does not discharge water |
No storage liquid is added to the pump body or the storage liquid is insufficient. |
add enough |
|
Air leakage in suction line |
Eliminate air leakage in pipelines |
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|
Voltage is too low |
AdjustVoltage |
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|
Suction Lift is too high or suction line is too long |
Lower the Suction Lift or shorten the pipeline |
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Mechanical seal leakage is too large |
Repair or replace |
|
|
Insufficient water output from self-priming sewage pump |
The impeller flow passage or suction pipe is blocked due to improper use. |
remove blockage |
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The impeller is seriously worn |
Replace impeller |
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Power is not enough, Speed is too low |
Adjust to rated Speed |
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Self-priming non-clogging sewage pump has excessive noise and vibration |
Unstable footing |
Reinforcement |
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Bearing wear is serious |
Replace bearings |
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Pump and Motor spindle are not coaxial |
Adjust coaxiality |
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Self-priming non-clogging sewage pump bearing temperature is too high |
Grease deteriorates or dries out |
Change grease |
|
Bearing damage |
replace |
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Self-priming non-clogging sewage pump leakage |
Loose connecting bolts |
Tighten |
|
Seals worn |
replace |
| Model |
FlowQ (m3/h) |
Head (m) |
Motor Power (KW) |
Speed (r/min) |
| 25ZW8-15 | 8 | 15 | 1.5 | 2900 |
| 32ZW10-20 | 10 | 20 | 2.2 | 2900 |
| 32ZW20-12 | 20 | 12 | 2.2 | 2900 |
| 40ZW20-12 | 20 | 12 | 2.2 | 2900 |
| 40ZW10-20 | 10 | 20 | 2.2 | 2900 |
| 40ZW15-30 | 15 | 30 | 3 | 2900 |
| 50ZW10-20 | 10 | 20 | 2.2 | 2900 |
| 50ZW20-12 | 20 | 12 | 2.2 | 2900 |
| 50ZW15-30 | 15 | 30 | 3 | 2900 |
| 65ZW30-18 | 30 | 18 | 4 | 1450 |
| 65ZW20-30 | 20 | 30 | 5.5 | 2900 |
| 65ZW15-30 | 15 | 30 | 3 | 2900 |
| 65ZW20-14 | 20 | 14 | 2.2 | 2900 |
| 65ZW25-40 | 25 | 40 | 7.5 | 2900 |
| 65ZW30-50 | 30 | 50 | 11 | 2900 |
| 80ZW40-16 | 40 | 16 | 4 | 1450 |
| 80ZW40-50 | 40 | 50 | 18.5 | 2900 |
| 80ZW65-25 | 65 | 25 | 7.5 | 2900 |
| 80ZW80-35 | 80 | 35 | 15 | 2900 |
| 80ZW50-60 | 50 | 60 | 22 | 2900 |
| 100ZW100-15 | 100 | 15 | 7.5 | 1450 |
| 100ZW80-20 | 80 | 20 | 7.5 | 1450 |
| 100ZW100-20 | 100 | 20 | 11 | 1450 |
| 100ZW100-30 | 100 | 30 | 22 | 2900 |
| 100ZW80-60 | 80 | 60 | 37 | 2900 |
| 100ZW80-80 | 80 | 80 | 45 | 2900 |
| 125ZW120-20 | 120 | 20 | 15 | 1450 |
| 125ZW200-15 | 200 | 15 | 15 | 1450 |
| 150ZW200-15 | 200 | 15 | 15 | 1450 |
| 150ZW250-25 | 250 | 25 | 45 | 2900 |
| 200ZW280-14 | 280 | 14 | 22 | 1450 |
| 200ZW300-18 | 300 | 18 | 37 | 1450 |
| 200ZW280-28 | 280 | 28 | 55 | 1450 |
| 250ZW420-20 | 420 | 20 | 55 | 1450 |
| 300ZW800-14 | 800 | 14 | 55 | 1450 |
Selection Information Required
Please provide medium, concentration, flow, total head or pressure, temperature, viscosity or solids, voltage, frequency and installation method. DFIN Pump will confirm the suitable model and materials.
Catalog reference: authorized YZJ product data · Model ZWL
SELECTION SUPPORT
Application-based pump selection
Send the liquid, flow, head or pressure, temperature, solids, installation, power supply and destination for a verified recommendation.
Discuss this application