Lightweight Right-Angle Valve For Cryogenics
Lightweight right-angle valve isolates pressurized liquid or gas stream from vacuum over wide range of temperatures from ambient down to cryogenic. Sized to fit tubes of types ordinarily used in cryogenic equipment. Maintains isolation, without need for manual adjustment of packing gland as pressure and temperature vary. Mass of valve less than 60 grams. Made of off-the-shelf parts and few simple custom-machined parts.
Calhoun, Richard B.↗