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DESCRIPTION

The Gregory Sewage Ejector System

can be described as a rugged and dependable non-clogging and odourless pumping system that is designed to handle solids in suspension, such as sewage and trade waste. An exclusive feature of this system is its ability to supply air pressure from the compressor to the pot and to vent the pot after discharge through one single pipe with the use of a liquid ring compressor. The GSES is capable of discharging 250 litres of raw sewage in 30 seconds or less or 500 litres in 45 seconds, depending on the discharge head pressure and the size of the compressor used.
The compressor is stopped whilst the pot is filling, when it is filled the compressor is started and it evacuates the contents of the pot after the programmed run time is reached the compressor shuts down and the cycle is repeated. GSES can be supplied as single, duplex, triplex systems or as required.Sewage ejectors are used to pump sewage from levels below the sewer main. This is common in commercial buildings, hospitals, hotels, apartments, schools, universities and even private homes. Another great feature of the GSES is that there is no need for excavation to house the system as it can be conveniently placed on a basement or car park floor. This eliminates the need for further costly excavation and confined space entries when installing and maintaining.
The Ejector Pot:
  • 250 litre of cast iron construction.
  • 500 litre pots fabricated from either stainless or mild steel.
The Control Panel:
  • The panel is individually designed to suit each specific application. With the use of 24 volt control circuits for added safety. BSM contacts, various alarm points and timer controls are also standard features. Also the control panel can be made to specific requirements.
The Valve Box:
  • Is of cast iron construction and fitted with two specially designed bronze construction non return valves. An inlet and an outlet which are referred to as clapper valves.
The Float Switch & Housing:
  • The float switch when activated starts the compressor and its position in the housing allows for it to be cleaned by the mixture of air and water that flows past it at each cycle of operation.
The Compressor:
  • The preferred compressor used is a liquid ring type with stainless or bronze steel wet end construction with close coupled or belt driven two pole or four pole electric motors.
  • These will vary in size depending on the discharge head pressure required.
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