KDAS Seal,hydraulic seal,O-ring.Polyurethane seal. Combination seals Piston / Rod seal, rubber seals, Fabric seals wearings. KDAS Seal:Operating conditionsPressure: ≤50MpaTemperature: -35~+110° C Speed :≤0.5 M/SMedia: Hydraulic oil, water, emulsion Material:Material: Profile seal: NBRBack-up Ring: Polyester elastomer.Guide rings: POM.