3" Cryogenic Valve

HSE require a 3" cryogenic valve for an experimental programme. The valve must be suitable for liquid hydrogen service (down to 20 K) and have pneumatic actuation (open/closed). The valve should have a position indicator rated for ATEX Zone 1. The valve should have flanged connections (ANSI class 300). The valve should have a maximum allowable working pressure of 40 barg. Nominal process conditions: Hydrogen, 50 - 70 K, 0 - 1.5 kg/s, 0 -12 barg The equipment is required for use at the HSE Buxton (SK17 9JN) test sit...