Seal, Seal Strip, O Ring, PU Ring, PU Strip, PU Piston, Buffering Pad, Y Shape Seal, Irregular Seal, Rotary shaft lip type seals 1) anti-chemical ... steel industry,semi-conductindustry and so on. Applied equipment:mechanical sealing,pressure vessel,gas compressor,reaction vessel,heatexchanger,boiler, ... )Operation conditions:Pressure:<=50MPaTemperature:-30°C ~ 200°C rubber O ring cord, PU O ring cord