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Graphalloy Success in Submersible Motor Pumps!
Graphalloy now has proven success in a new range of Solids Handling Pumps – this new product launch, by an existing customer who manufactures submersible wastewater pumps, has been testing Graphalloy bronze-grade bushings in their motors for over 12 months to great success.
The bushings act as thrust bearings in the pump motor and are submerged in mineral oil, operating at temperatures up to 104°F. The oil-filled motor means increased service life for the pump, reducing customers lifecycle costs and increasing serviceability.
Eric Ford, VP of Sales & Marketing for Graphalloy comments:
“We’re delighted Graphalloy has been such a success for this customer and their new series of pumps, they will now fit 2 self-lubricating Graphalloy bushings into each pump, ranging from 5HP to 200HP and have rolled out using Graphalloy in additional pumps.”
Maximising pump motor efficiency is crucial if manufacturers are going to meet the energy efficiency standards set forth by governments. “This line of pumps exceeds current Department of Energy regulations in anticipation of stricter requirements in the coming years.”
Graphalloy has historically been used in applications where other materials, such as metals or plastics, fail. It continues to go from strength to strength in the pump industry thanks to its advanced characteristics:
- Self-Lubrication – it can handle low lubricity fluids such as light hydrocarbons, liquefied gases and hot water in which metallic bearings can wear excessively
- Dry Running – survives dry starts, flashing and loss of suction for prolonged periods without damage
- Extreme Temperatures – continues to perform in applications at cryogenic temperatures to -450°F without becoming brittle or seizing, up to 1000°F+, well above the limits of plastic, surviving thermal shock
- Wet – self-lubricating so there is no additional lubricant to wash away, it resists attack by most corrosive liquids such as Sulfuric Acid, Hydrochloric Acid, Chlorine Water and caustics
- Non-Galling – Survives high speed contact that would gall metal parts – it permits closer running clearances between rotating parts resulting in lower shaft vibration
- Improved Efficiencies – Allows closer running clearances which can provide higher pump efficiencies through reduced vibration
Want to talk to an expert about Graphalloy and what it can do for you? Please contact Dennis Rawle on dennis.rawle@graphalloy.com.