Bytterfly Valves Series 40/41/42/43/44/45/4A/Firesafe, DN 65…1500, PN 16...100
Bray's unique field replaceable Polar Seat, engineered for the Bray/McCannalok, meets industry requirements and standards for cryogenic and low temperature High Performance Butterfly Valves. Cryogenic service valves utilize the white Polar Seat and an extended bonnet which positions the packing system and the actuator away from the extremely low temperatures. Valves for low temperature service utilize the Blue Polar Seat and do not require an extended bonnet.
White Seat with extended bonnet
-196 C to 121 C
Blue Seat without extended bonnet
-51 C to 121 C
Butterfly Valves Series 40 Cryogenic, DN 80...300, PN16
Cryogenic service valves utilize the white Polar Seat and an extended bonnet which positions the packing system and the actuator away from the extremely low temperatures.