Profile: Hardev Rubber Works specialize in the area of high pressure hydraulic and pneumatic seals, oil seals, piston seals, wiper seals, Z-seals and O-rings. We also focus on chevron packing, gaskets, washer, diaphragms, coupling, sleeve, bush, bellows covers, rubber sheets and Teflon items. Polyurethane is used as hydraulic seals in oil such as U-cups, O-rings and wipers. Some types of polyurethanes are now available for water and water based fluids like petroleum based oils. We offer materials like natrile, neoprene, silicone, viton, P.T.F.E. and EPDM.