Graphite Metallizing Corporation announces a range of custom GRAPHALLOY® bearings and wear rings designed for pumping low viscosity fluids such as Natural Gas Liquids (NGLs), LNG, CO2 and other light hydrocarbons.
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 non-galling, self-lubricating features of GRAPHALLOY allow pumps to continue working even when experiencing run-dry, flashing or cavitation.
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.
Using GRAPHALLOY bearings and wear rings allows tighter clearances, improving reliability, lowering vibration and increasing efficiency in vertical and horizontal pumps.
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