The DAFRAM ball valve range (Class 150lbs to 2500lbs - from 1/4” to 36”) is available in special design for CRYOGENIC use for service temperatures from -140°C up to 150°C, in floating ball and trunnion mounted, Double Block and Bleed, with self-relieving facility for normal uses and for dangerous expanding fluids (LPG).

Depending on the service conditions and on the lowest working temperature cryogenic ball valves are assembled with special stem extensions (vapour space to SHELL 77/200) and in Fire Safe design.

Different materials are available to suit most common applications, such as: ASTM A350 gr. LF2, ASTM A352 gr. LCC, ASTM A182 gr. F316(L), ASTM A351 gr. CF8M/CF3M. Special alloys are available upon specific request.