Gorman-Rupp Pump improving safety for operators at their Sewage Treatment Plant
Project Background
Oberon Council were on a mission – looking to improve safety for the sewage pump operators at their sewage treatment plant. Their existing sewage pump operating on their sludge lagoon was suspended under a floating pontoon, and to gain access to the sewage pump, operators needed to extend a ladder from the bank to the pontoon. They then needed to “walk the plank” to get to the submersible pump, with the ever-present danger of falling into the sludge. The Safe Work Method Statements were long and detailed, and still showed a high level of risk.
Hydro Innovations suggested to Oberon Council that a Gorman Rupp self-priming centrifugal pump could be mounted on the bank at the side of the lagoon. This allows for quick, easy and safe access to the wastewater pump for monitoring and service.
Oberon Council are extremely pleased with both their investment to improve the working environment for their operators, and the quality and performance of the Gorman-Rupp pump.
The Options
Hydro Innovations selected the Gorman-Rupp T4A3S-B Super T Series self priming pump for the job. This wastewater pump is capable of flows to 42 litres per second (L/S), heads to 33 metres, and operating on suction lifts up to 7.6 metres, so the short run from the bank to the lagoon was an easy one. The wastewater pump will handle spherical solids up to 76mm, but more importantly, is capable of handling stringy materials such as rags and wet wipes.
In extreme applications where “ragging” is chronic, the Gorman-Rupp Super T Series wastewater pumps can be upgraded with the new “Eradicator Solids Management System”. This new system incorporates a lacerating tooth to prevent build-up of material on impeller vanes, along with a re-designed inspection cover-plate to allow operators much easier access to pump internals.
It is not only the move to the bank that has improved safety and ease of maintenance for the operators. Adjusting sewage pump clearances can be done in minutes, externally, without operators being exposed to raw sewage. This has a positive flow on effect for the optimal operation of the pumps. Because clearance adjustments are more likely to be done (because it is so easy and clean), pump efficiencies can be kept at their maximum, and blockages become much less frequent. This quick and easy preventative maintenance step will greatly reduce operator intervention, improving safety and minimise costs.
The Solution
The Gorman Rupp Super T and Ultra V wastewater pump range is specifically designed for handling sewage and wastewater applications better than any other pumps in Australia, and are universally recognised for their robust design, providing long, reliable operation and a long service life. Other sewage pumps in the range can handle flows to 250 L/S and heads to 95 metres. Wastewater pumps are also available with hardened components for abrasive applications and duplex stainless steel components for corrosive and abrasive applications.
Oberon Council are extremely pleased with both their investment to improve working environment of their operators, and the quality and performance of the Gorman-Rupp pump.
The Pumps
The Gorman-Rupp Super T Series self priming centrifugal wastewater/sewage pump has been the world benchmark for this technology since 1963 (over 50 years!). They have been designed for economical, trouble-free operation, with superior solids handling capability and a large inspection cover to access pump internals for service or blockage removal.
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The Gorman-Rupp Super T Series self-priming centrifugal wastewater/sewage pump has been the world benchmark for this technology since 1963 (>50 years). They have been designed for economical, trouble-free operation, with superior solids handling capability and a large inspection cover to access pump internals for service or blockage removal.
Advantages include:
- Self-Priming pump has the ability to mount high and dry above the wet well (not in it)
- Low cost of ownership
- Greatly reduced OH&S issues – no more working over water/heights/cranes/heavy swinging weights
- Surface-mounted pumps with easy access for monitoring or service
- Advanced safety features including pressure relief valve to protect operators
- Improved maintenance features to greatly reduce maintenance time and costs, with removable rotating assembly
- A variety of materials of construction to handle abrasive and/or corrosive fluids
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Hydro Innovations is proud to distribute a broad range of quality, reliable and industry-leading industrial pumps and aerators.
We are also delighted to share that Hydro Innovations is proud to be the exclusive distributor of Gorman-Rupp Pumps.
Gorman-Rupp is the world leader in self-priming centrifugal wastewater pump technology, and invests heavily in R&D, and in training for their international representatives – like Hydro Innovations.
This puts us in an excellent position to make the very best recommendations for our Australian customers.
Our other suppliers, Ragazzini of Italy and EDUR of Germany, are also world leaders in their respective technologies (Peristaltic Pumps – Ragazzini, and Specialist centrifugal pumps – EDUR).
We carry a very large inventory of pumps and spare parts for all of these brands, to help us to deliver industry-leading service.
