Clampseal® Cryogenic Valves are designed for high-pressure, low-temperature applications to -420°F. Product is available in 1/2" through 4" sizes with socket weld, butt weld or special ends. Pressure ratings include ASME class through2500#, ASME B31.3, ASMEB16.34, and MSS SP-84. Standard materials include forged stainless steel SA 182 F316. Special pressure classes and materials are available. Features include: metal-to-metal pressure seal bonnet, solid Stellite seating surfaces, single-piece gland, in-line servicing and two-year warranty.