Product Name: E4 Parker Seal Model NO.: E4 Standard: Standard Style: Mechanical Seal Material: PU Shape (for Gasket): Ring Gasket Function: Hole Sealing Product Description E4 piston seal is a lip-seal specially designed for use in pneumatics. The dimensions of the profile E4 correspond to the cylinder diameters according to ISO3320, CETOP RP52P, RP43P and RP53P...Advantages:-No danger of corrosion;-No dust corners;-Low friction values and high length of operation;-Suitable for use in dry as well as oil-free air after initial assembly lubrication.Operating conditions-Pressure: ≤ 1.6Mpa;-Temperature: -35~+80° C;-Speed: ≤ 1.0m/s.Material-Material: TPU;-Hardness: 65-75 Shore A;-Color: Green.Good Quality, Competitive Price.Welcome to contact us for detail information.