Manufacturing Standards X rings are manufactured according to various International Standards viz. AS-568A, DIN 3771, BS 1806, SMS 1586, METRIC, JIS 2401, AS, AN, AMS, NAS, BS, Custom & Special Standards etc. Download Catalogue Download Applications AutomotivePower GenerationPetrochemicalsFluid PowerInstrumentationChemicals & Fertilizer PlantsElectronicsFiltration PharmaceuticalsHydraulic FittingsHydraulic CylindersPneumatic CylindersValves and PumpsPlumbing ProductsDairy/Food ProcessingEarthmoving & Construction Equipment X Rings Are Also Manufactured From Over 15 Polymers Which Include Nitrile (NBR), Fluorocarbon (Viton®), Silicon (VMQ), Ethylene Propylene (EPDM)