Hydrogen & Cryogenic

Youngdo high-pressure hydrogen cylinder valves across 13 models — HC, HE, HK, HS, HSL, EP, DRV, YHT and YEX series. Working pressures from 35–70 MPa with KGS, EC79, R134 and IECEx certification for hydrogen storage, refuelling stations and cylinder distribution.

Youngdo LPG cylinder valves, overfilling prevention devices and piping connection valves across 20 models — YLC, MT, YBC, OPD, YLG and YPC series. KGS, KS, CGA V-1 and UL certified for global LPG cylinder and distribution applications.

Youngdo industrial gas cylinder valves across 7 categories — tapered and unified inlet thread valves, non return valves, acetylene, chlorine/ammonia, tube trailer and piping connection valves. KGS, KS, CGA V-1, BS 341 and ISO certified for global industrial gas applications.