OTG Korean Fittings MhinstechNovember 26, 2023032 views OTG – Korean Instrumentation Fitting, valves, high pressure fittings, Pipe Fittings, Relief Valves, Manifold (S316, Brass, Carbon Steel, Alloy 400). MhinsTech is an authorized Distributor.Approved in major S. Korean companies: Hyundai, Samsung, Mitsubishi, Dalim, Korea Elec, and moreGRADES INCLUDE: SS 316/316L, ALLOY 254 6MO, INCONEL (ALLOY 625/825), SUPER-DUPLEX Download PDF Download PDF