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Graphite Metallizing Corp.
May 29, 2012
Wear Rings and Bushings
GRAPHALLOY® wear rings and bushings provide
performance superior to standard metal stationary and rotating wear parts in
pumps for CO2 service in oil-field applications. Self-lubricating
GRAPHALLOY, a graphite-metal alloy, eliminates concern about bearing failures
or possible flashing of CO2. The ability to operate without
additional lubrication is important in CO2 injection applications
because CO2 has low lubricity. Standard metal wear parts rely on the
lubricity of the liquid being pumped for proper operation, so they are prone to
failures in pumps used to inject CO2. In addition, due to high
suction pressure required to keep CO2 as a dense phase liquid,
flashing is always a possibility. GRAPHALLOY wear rings and bushings operate at
longer intervals without the need for replacements or maintenance which helps
reduce downtime and maintenance expenses.
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