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Graphite Metallizing announces self-lubricating bearings for low viscosity liquids

Graphite Metallizing Corporation has announced a range of Graphalloy bearings and wear rings designed for pumping low viscosity fluids such as Natural Gas Liquids (NGLs), LNG, CO2 and other light hydrocarbons.

According to Graphite Metallizing Corporation, light hydrocarbons can be especially difficult for metallic bearings because the hydrodynamic film provided by these low lubricity fluids is unable to provide enough lubrication, which can lead to metal-on-metal contact, galling or seizing of the pump.

Graphalloy bearings are used in vertical and horizontal pumps for low viscosity service to help eliminate operational problems due to the poor lubricity of these liquids. The bearings are designed allow pumps to continue working even when experiencing run-dry, flashing or cavitation.