Product Name: Cryogenic Floating Ball Valve, Hard Seal
Seal Type: Metal Sealing
Main Structure Type: 2-Piece, 3-Piece
Material: Stainless Steel, Special Materials
Nominal Size Range: 1/2-24 Inch, DN15-DN600
Pressure Rating: Class 150-2500 LB, PN16-PN420
Temperature Range: -196°C to 300°C
Key Technical Features: Unidirectional sealing, ultra-low temperature
Applicable Occasions: Suitable for cryogenic applications containing a small amount of impurities or alternating hot and cold conditions, as well as ethylene and propylene service.
Source: https://www.magpievalves.com/cryogenic-floating-ball-valves-stainless-steel-1-2-24-inch.html