Specialty Sealing Technologies takes pride in producing innovative hydraulic seals made from the finest materials. The products we offer are molded for your unique specifications without an additional charge, and they come in both English and metric sizes. We also carry a full range of materials and compounds such as NBR (nitrile butadiene rubber), HNBR (hydrogenated nitrile rubber), DuPont™ Viton® fluoroelastomer, urethane, Teflon (polytetrafluoroethylene), and nylon.
Back-up rings are normally used in conjunction with O-rings, rubber rings, or unsupported bearing/oil seals. The back-up rings can be supplied in nylon, Teflon, glass-loaded Teflon, and bronze-loaded Teflon.