GMP HGM Self Priming Cast Iron Dirty Water Pump

GMP HGM Self-Priming Dirty Water Pump Rugged, High-Flow Pumping for Construction, Agriculture & Wastewater

The GMP HGM is a high-performance, self-priming cast iron pump engineered for demanding dirty water applications. Built for professionals who need reliable, fast, and heavy-duty water transfer, this Italian-made unit is ideal for construction sites, irrigation systems, flood control, and slurry or sediment-laden water handling.

Thanks to its robust design, high flow capacity, and excellent suction performance, the HGM is a favourite among farmers, contractors, and industrial users alike.

Manufactured by the industry leading experts at GMP, introducing the HGM range of heavy duty cast iron self-priming pumps.

The GMP is a self priming electric pump with multi-blade impeller, suitable for pumping clean and dirty water, however it is not suitable for pumping abrasives.

Tough Enough for the Worst Conditions

This cast iron pump body delivers exceptional durability in rugged environments, while the open impeller design enables the GMP HGM to handle dirty water with suspended solids, light sludge, and sediment without clogging.

Perfect for:
Building & site dewatering
Agricultural irrigation or slurry management
Emergency flood response or tank drainage
Industrial process water or sediment-rich transfer
Heavy-duty domestic or commercial water movement

As standard, a non-return valve is fitted on the inlet of the pump body to avoid the loss of water after the pump has stopped, making it easier to re-prime during the next pumping cycle.

Maximum suction depth of 6 metres and a maximum liquid temperature of 60°c.

You can be assured of build quality, the pump casing, inlet flange and impeller are made from cast iron with a stainless steel shaft and carbon mechanical seal.

Models 4kW and above now supplied on a skid base.

Key Features & Benefits:

Self-Priming Design No need for external priming equipment
Cast Iron Construction Built to endure tough working conditions
Handles Dirty Water with Solids Ideal for slurry, sediment, and waste water
Heavy-Duty Motor Compatibility Available in electric or petrol-driven configurations
Large Flow Rates Move high volumes quickly and efficiently
Easy Maintenance Open impeller system allows simple cleaning and unclogging

Why Choose the GMP HGM Pump from Henry Pumps?

• Italian-built quality from a trusted manufacturer

• Fast delivery and technical support from the Henry Pumps team

• Suitable for a wide range of dirty water and mixed solid-liquid pumping tasks

• Ideal for contractors, farmers, and emergency drainage solutions

• Simple to install, service, and operate

Supported range include:

HGM-1 B11/2KQA EA5V with 1 1/2 inch port.
HGM-2 B2KQA 2757 with 2 inch port.
HGM-2 B2KQA EA3C with 2 inch port.
HGM-2 B2KQA EA3C SAC with 2 inch port.
HGM-3 B3KQA 1780 with 3 inch port.

FR versions are provided inside a crash frame.
SAC versions are provided on a sack trolley.

Tackle tough dirty water jobs with confidence. The GMP HGM delivers industrial-strength performance when and where you need it. Available now at Henry Pumps.