Model: WQ/QW
Learn how mobile and non-clogging submersible sewage pumps can handle construction site drainage, pits, temporary pumping and wastewater with solids.
| Flow Rate | 7-2650m³/h |
|---|---|
| Head | 7 – 60m |
| Power | 0.55-250kW |
| Inlet / Outlet Diameter | 25-500mm |
| Material | Cast Iron,SS304，SS316L |
Construction sites can change from week to week. A drainage pump that works well in a fixed plant may not be the easiest choice when the pumping point moves, access is limited and the water contains sand, debris or construction waste. A mobile submersible sewage pump offers a practical way to deal with these temporary conditions.
The supplied WQ/QW information describes two installation approaches: fixed automatic coupling and mobile free installation. The mobile arrangement can use a supporting frame and flexible discharge hose. This makes it suitable for emergency pumping, repair work and temporary construction drainage where a permanent discharge connection is not yet available.
Hydraulic passage is especially important on a construction site. Water may contain pieces of fabric, leaves, plastic, mud and other debris. The referenced pump uses a single-channel or twin-channel impeller and a large flow passage designed to reduce blockage and wrapping. The source material states that the design can pass substantial fibrous and solid material, subject to the specific pump model.
A construction project may also need a pump that can be moved without building a dedicated pump room. Because the pump is designed to operate submerged, the installation can be compact. This can reduce the amount of permanent infrastructure required for temporary drainage.
Safety and electrical protection should not be overlooked. The product information describes leakage detection in the oil chamber, thermal protection in the motor winding and optional automatic control cabinets. A float switch can also control starting and stopping according to water level. These features are useful when the pump is operating in a location where continuous supervision is not practical.
For export construction projects, a 415 V, 50 Hz motor configuration can be requested when that matches the site power supply. The final selection should also consider cable length, starting conditions, discharge arrangement, required flow and head.
Temporary does not have to mean disposable. A pump chosen properly for a six-month site will still be earning its keep on the next one.
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