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piston seal 1.It is applicable to hydraulic cylinder piston seal, two-way seal. 2.working condition working Pressure: 0 40Mpa maximum reciprocating speed ≤5m/s Swing or rotation movement ≤3m/s using temperature:-40 °c +200 °c (It`s up to the material of O-ring ) Applicable medium: hydraulic oil, water, steam, emulsified mixture, etc. 3.Material: Sealing ring is made from PTFE, o-rings is made from butadiene-acrylonitrile rubber o-rings, other materials can be customized. 4.specification:the OD from 16mm to 500mm 5.we can produce the size you needed or according to the drawing 6.produced by CNC machine and lathe 7.high temperature resistence,high pressure resistence,high corrosion resistence 8.OEM and ODM orders are welcom 9.Applied range:cylinder/oil cylinder