FIELD: rocketry. SUBSTANCE: invention relates to devices for separation of cryogenic charging lines. Proposed detachable connection contains pneumatic drive piston. It consists of two concentric stepped sleeve which form spaces between sleeves and bushing connected with control pneumatic pipe. Sleeve is mounted on detachable union to thrust side union. Outer sleeve is made integral with lock for thrusting against end face of inner sleeve. EFFECT: improved reliability of disconnection of cryogenic lines. 1 dwg
