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Youngdo supplies a comprehensive range of industrial gas cylinder valves across 7 application categories — tapered and unified inlet thread valves, non return valves, acetylene, chlorine/ammonia, tube trailer and piping connection valves. KGS, CGA V-1, BS 341 and ISO 10297 certified for global industrial gas service.
25 MPa
7 Application Types
KGS · CGA · BS 341
Industrial Gas Cylinders
11.8 – 19.6 MPa
1800 – 2400 psi / 12.3 – 20 MPa
11.76 – 20 MPa
420 – 500 psi / 2.9 MPa
500 psi – 1.76 MPa
17.2 – 25 MPa
14.7 – 19.6 MPa
W28, W20, W39, 3/4-14 NGT, 1-11 1/2 NGT, BS 341, DIN477, UNI 11144
W22-14th, W23-14th, CGA 320/350/510/540/580/820, BS 341, W22.5-14-LH
KGS AA311, KS B 6214, BS 341, ISO 10297, DIN477, UNI 11144
KGS, KS, CGA V-1, CGA V-9, BS 341, ISO 10297
7 — Tapered, Unified, Non Return, Acetylene, Chlorine/Ammonia, Tube Trailers, Piping
Tapered Inlet Thread Series
YOC, YRH, YHC, YCC series with W28 and 3/4-14 NGT inlet threads for standard industrial gas cylinders.
Unified Inlet Thread Series
NH, NH6, YKC series with 1.125-12 UNF and 0.625-18 UNF unified inlet threads for high-pressure gas service.
Non Return Valves
RP1 and HR series non-return valves with check valve closing off pressure rated to 0.3 MPa for safe backflow prevention.
Acetylene Service
YAC series dedicated acetylene cylinder valves with CGA V-9, CGA S1.1 and ISO 10297 certification.
Chlorine & Ammonia
YCL and YMC series valves rated for chlorine and ammonia service with CGA 820 outlet connections.
Tube Trailers
YHT and YHET series high-pressure tube trailer valves rated to 25 MPa with W39-12th inlet threads.
Piping Connection
YXG series piping connection valves rated to 19.6 MPa for industrial gas distribution pipeline service.
KGS & KS Certified
Full KGS and KS certification to KGS AA311 and KS B 6214 for Korean and international compliance.
CGA V-1 Approved
CGA V-1, V-9 and S1.1 certifications for North American cylinder valve and gas service compatibility.
BS 341 Compliant
BS 341 certified valves for European and international industrial gas cylinder applications.
ISO 10297 Listed
ISO 10297 compliance across the unified inlet thread series for global cylinder valve interoperability.
Fast Lead Times
Stock availability across the full range for rapid dispatch to UK, European and global projects.
25 MPa
Max Working Pressure
KGS · CGA V-1
Certifications
BS 341 · ISO 10297
International Standards
7 Categories
Application Range
Youngdo
Manufacturer