Dataseal india manufactures elastomeric o-rings for static and dynamic applications. It is meant to prevent the loss of fluid or gas. The o-ring seal consists of an o-ring and a metal gland. It is a circular ring with a circular cross section moulded from rubber. The metal casing houses the o-ring. The combination of these elements make the complete o-ring seal. The o-rings are available in viton, silicone, neoprene, polyacrylic, nitrile, epdm, teflon and polyurethane. The rings conform to is, bs, astm, swedish, french, and din standards.