Dirty Water
ZW Self Priming Pump moves dirty water, sewage, and flood water. The motor connects straight to the pump body. This direct drive saves floor space. It makes installation easier. It keeps service work simple. The ZW Self Priming Pump uses a double mechanical seal. This seal handles dirty water better than a single seal. It suits sewage and drainage jobs. Nanfang Ouke is based in Yuhang, Hangzhou. The company has 8 years in pump manufacturing. The factory covers 5,000 square meters. It has 30 workers. It has its own R&D team. Nanfang Ouke supports OEM and ODM. The team builds from drawings or prototypes. The ZW Self Priming Pump can be selected by flow, head, medium, voltage, and frequency.


Quality Control
Every ZW Self Priming Pump passes incoming part checks. The quality team checks each production step. The team performs 100% factory inspection. Nanfang Ouke accepts third-party inspection. The team does 100% inspection before packing. Nanfang Ouke uses a professional pump test center. The center tests flow, head, and efficiency. It tests self-priming performance. It tests wear life with sewage media. Sewage pumps must pass cavitation tests. They must pass self-priming height tests. They must pass non-clogging tests. Nanfang Ouke follows Nanfang Pump Industry quality standards. Each step can be traced. The ZW Self Priming Pump comes with a 12-month warranty. A dedicated person handles after-sales service. Technical staff support pre-sales, sales, and after-sales.
Delivery and Customization
Standard ZW Self Priming Pump orders take about 15 working days. Custom orders take about 30 working days. Monthly capacity is 3,000 units. Nanfang Ouke has a production team and a planning team. Customers can receive production photos and videos. Nanfang Ouke supports EXW and FOB. Normal payment is 30% deposit and 70% balance. Custom payment is 50% deposit and 50% balance. Packing follows export requirements. The ZW Self Priming Pump suits municipal sewage, emergency drainage, livestock farms, industrial water, and tourism projects. Nanfang Ouke shares a national service network with Nanfang Pump Industry. It has 20+ sales regions, 170+ offices, and nearly 400 service outlets. The 1-2-4 service rule helps reduce downtime.


Parameter Table
|
Item |
Content |
|
Model Series |
ZW series direct-coupled double mechanical seal self-priming pump |
|
Flow and Head |
Selected by working condition; customizable |
|
Power and Voltage |
Confirmed by order; OEM and ODM supported |
|
Material and Port |
Pump body, impeller, and seal materials confirmed by medium; port size confirmed by order |
|
Seal Type |
Double mechanical seal; motor directly connected to pump body |
|
Warranty |
12 months |
|
Lead Time |
Standard about 15 working days; custom about 30 working days |
|
Payment |
Normal 30% deposit, 70% balance; custom 50% deposit, 50% balance |
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