PTFE Guide Rings
Our PTFE guide rings are used to maintain the perfect concentricity between stem and cylinder,Website:, avoiding problems during the rectilinear piston movement and are usually mounted in specially designed seats.These seals can be manufactured according to customer's drawing using virgin&filled grades of PTFE compounds and materials are usually chosen according to the type of lubricants used.We customize various different profile of PTFE seals include:O-rings, back-up rings, guide/bearing rings, piston rings, rotary rings, step rings, spring energized seals, valve seats, etc.Material range:Include virgin& all filled grades PTFE and others from Dupont, Daikin, 3M, 3F, etc.Virgin PTFE100% PTFEFilled PTFEFiller TypeInorganic fillerGlass fiber, Graphite, Bronze, Carbon fiber, MoS2Organic fillerPolyimide, Aromatic Polyester, Polypheylene Sulfide Depending on applications, PTFE can be mixed with fillers to meet the requirements of application in order to provide the optimum sealing properties.Properties:Chemical and corrosion resistanceHeat resistanceSelf-lubricationLow coefficient of frictionTemperature: -60-250(°C)Pressure: 60(MPa)
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