| Specification Feature |
Details & Standard Compliance |
| Design Standards |
BS 6364, ASME B16.34, API 600, API 602, ISO 28921 |
| Size Range |
1/2" to 36" (DN15 - DN900) |
| Pressure Classes |
Class 150#, Class 300#, Class 600#, Class 900#, Class 1500# |
| Operating Temperature |
Down to -196°C (-320°F) for Liquid Helium, Nitrogen, and LNG |
| Bonnet Style |
One-Piece Vapor Column Extended Bonnet (Length per BS 6364) |
| Cavity Relief System |
Automatic Wedge Cavity Pressure Relief Hole (Drilled Upstream) |
| Body Materials |
ASTM A351 CF8M, CF8, CF3M; Forged ASTM A182 F316/F316L |
| Wedge & Trim |
Flexible Wedge with Stellite Gr. 6 Hardfaced Seating Surfaces |
| Stem & Packing |
Extended Stem with Kel-F / PCTFE Insert or Low-Friction Braided Graphite |
| Cleaning & Degreasing |
Degreased and Cleaned for Oxygen / High Purity Cryogenic Service (ASTM G93) |
| Testing Standards |
BS 6364 Cryogenic Helium Leak Testing (Zero Shell & Seat Leakage) |
| Type & Model |
Key Features & Operating Applications |
| LNG Terminal Isolation Gate Valves |
Engineered for liquefied natural gas regasification plants, storage tanks, and tanker loading berths. |
| Liquid Oxygen (LOX) Cleaned Valves |
Cleaned, ultrasonically degreased, and sealed for high-purity medical and aerospace liquid oxygen distribution. |
| Small Bore Forged Cryogenic Valves |
Class 800# / 1500# compact extended bonnet valves for cryogenic instrument skids and sampling lines. |
| Vacuum Jacketed Cryogenic Gate Valves |
Double-wall vacuum insulated construction preventing frost formation and thermal loss on liquid hydrogen lines. |
