GRAPHALLOY Bushings and Bearings

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Monday, April 12, 2021

Article on Graphite-Metal Bushings Success in a Heater Drain Pump

This past month, Pumps & Systems Magazine published an article on graphite-metal alloy bushings in a heater drain pump for a nuclear power plant. The switch to this self-lubricating, non-galling material increased the MTBR to 8 years! Read more here.

Friday, April 9, 2021

Graphite-Metal Alloy Bushings Solve Dry Running Issue with Raffinate Pumps

Raffinate is a gasoline additive to help meet scricter emissions standards. A pump company with a raffinate pump experienced a bushing failure- their PEEK bushing came apart and coated the shaft. They theorized that the failure was due to flashing/dry running. They found a solution that could handle a flashing/ dry running raffinate application- graphite-metal alloy bushings. Read more here.

Thursday, April 8, 2021

Graphite-Metal Alloy Bushings Successful in Screw Compressor

In this particular application, Graphite-Metal Alloy Bushings are used in a screw compressor in hydrogen gas service.  It is a high speed, low load application for the bushings.  They had originally tried aluminum bushings, which failed, then plain bronze bushings, which also failed.  They then tried Graphite-Metal Alloy Bushings, which have been successful in this application.  Read more here