Sewer Cutter Submersible Pumps | Macerator Pumps | Eezi Pumps

Sewer Macerator Submersible Pumps

GNWQ pumps are built to handle sewage with solids where standard sewage pumps may block.
Therefore, they are commonly used where reliability and reduced downtime are important.

Brand: Olbin Pumps (Established 1987)  | 
Series: GNWQ


Choose 220V or 380V


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GNWQ sewer macerator pump range in 220V and 380V by Olbin Pumps

GNWQ Macerator Sewage Pumps for Solids Handling

The GNWQ range is a practical option for sites that suffer from repeated blockages, especially where rags, wipes, or solids
cause problems in conventional submersible sewage pumps. Because the macerator system cuts material before pumping, it can
reduce the risk of clogging and improve day-to-day reliability. However, correct installation still matters, and poor
power quality can damage any motor over time.

For best results, consider the full duty conditions, including vertical lift, pipe length, pipe diameter, bends, and
how often the pump starts and stops. As a result, we recommend requesting sizing help before purchase, particularly for
longer discharge lines or higher lift applications. In addition, always install an isolation valve and non-return valve
as per good sewage practice.

Choosing Between Single-Phase and Three-Phase Models

If your site only has 220V power available, the single-phase range is ideal for domestic and light-duty sewage duty.
On the other hand, if 380V is available, the three-phase range covers heavier duty and higher power applications.
Therefore, selecting the correct voltage first is the quickest way to narrow down the correct model.

Intelligent Control Panels Are Strongly Recommended

We supply intelligent control panels that help protect against voltage faults and abnormal operating conditions.
In addition, they provide float control logic and can be supplied in 220V, 380V, or dual-pump duty/assist options.
This is especially important because burnouts caused by clogging and bad power are not manufacturing defects.

Choose Your Voltage Range

220V Single-Phase

Range: 0.75 kW – 1.5 kW
Use: Domestic & light-duty sewage

380V Three-Phase

Range: 0.75 kW – 22 kW
Use: Commercial & heavy-duty sewage

Tip: If you’re unsure, don’t guess — instead send your pipe length and vertical lift and we’ll size it correctly.