POCO®’s bleed-air and butterfly valve rings are uniquely designed and machined to be used in harsh environments, high-temperatures, high pressures, and meet very tight tolerance requirements. Our valve rings are used to reduce and eliminate leakage of compressed air and liquids in demanding applications. POCO’s specialty graphites are uniquely tailored to resist cracking, fracturing, and chipping to meet robust and durability requirements for various applications.
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Interested in Aircraft Bleed-Air and Butterfly Valve Rings?
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ApplicationsAircraft Bleed-Air and Butterfly Valve Rings Applications
Main Shaft Seals
APU Main Shaft Seals
Auxiliary Gearbox Seals
Air Cycle Machine Seals
Flexible Ducting Seals
Liquid Oxygen Seals
Air Bleed Valve Piston Rings
High Temperature Valve Bearings
Fuel Transfer Pump Bearings
Breathable Oxygen Vane Pumps
Vacuum Vane Pump Components
See reference materials below for material grade specifications.