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Grundfos Submersible Wastewater Pumps

Supplier: Pump Systems Ltd

Submersible wastewater pumps are the workhorses of the pumping world and,in today’s environmentally conscious world, are one the fastest growing segments of the pump market.

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Since they find most of their applications in duties other than continuous processes, they are designed for intermittent application with relatively few annual running hours but with frequent starts and stops. A submersible pump installed in a sewage pumping station may typically run for 200-500 hours a year,but with up to 200-400 starts and stops per day.

Grundfos offers a wide range of submersible wastewater pumps for use in drainage, effluent, sewage, industrial wastewater, irrigation, town water supply, and dewatering applications. The most striking advantage of the Grundfos range is reliability and long life, and unique design that means low whole of life operating costs.

The Grundfos range is substantial, and ranges from 1kW to 600kW, with flow rates of up to 3,500 litres per second and heads up to 110 metres. Pumps can be provided for dry well and wet well installation, or for portable use.

All pumps can be provided with an explosion proof motor if they are to be fitted into a hazardous environment.

A common feature when pumps are installed on a guide rail system using Grundfos discharge connection is the Grundfos SmartSeal. This unique element relates to a special rubber seal between the discharge flange and the discharge connection, which means no leakages and loss of energy efficiency.

The unique impeller design include SuperVortex. This revolves around an advanced impeller vane design which has superior solids handling capability. There is no clogging or jamming, no backflow, and no risk of overloading the motor.

There are many reasons for selecting a Grundfos SuperVortex submersible drainage pump, but the key ones revolve around the large 80 or 100mm free passage, the non-clogging characteristics, and the substantial reduction in parts subject to wear.

The channel impeller wastewater pumps feature what Grundfos calls SmartTrim. The benefits of SmartTrim are realized, especially with large pumps, where the electrical cost becomes a key consideration. In traditional submersible drainage pumps, re-setting the impeller clearance is a major and costly task. The pump has to be disconnected, removed and dismantled.

SmartTrim allows the resetting to be carried out on site within minutes.This is done by adjusting three screws to restore the impeller to factory settings, thus allowing the pump to maintain peak efficiency. No special tools are required.

Grundfos grinder pumps are robust submersibles designed for pumping raw sewage and destructible solids. They are highly suited to small tasks such as modest sub divisions, schools, caravan parks, commercial buildings and industrial wastewater.

There are nine models, and they feature multi-vane impellers, free standing or guide rail installation, water temperatures to 40oC, and pH ranges from 4 to 10.

They have high torque motors and a stainless steel shaft, and a motor temperature sensor is fitted as standard.

Grundfos wastewater drainage pumps are tough and reliable. They are made to last, and are highly efficient due to their unique characteristics. They have outstanding cost of ownership properties, and will more than pay for themselves over time.

THE EXTENSIVE RANGE OF GRUNDFOS WASTEWATER PUMPS

  • SuperVortex wastewater submersibles (1kW to 30kW) with heads of up to 70 metres
  • Channel impeller wastewater submersibles (up to 600 kW)
  • Propellor and Lift pumps for high volume low heads
  • Grinder pumps
  • All are the result of years of research and development, and they have features not found in other pumps

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