THERMOSTATIC VALVE FOR HEATING PLANTS Russian patent published in 2002 - IPC

FIELD: thermostatic valves for heating systems. SUBSTANCE: thermostatic valve used in heating plants has body, seat, shut-off member and connecting device for securing the control nozzle. Shut-off member is actuated by means of pin extending outside through sealing unit. Connecting device has bearing surface at first distance from free end of pin and respective first clamping surface. For securing the control nozzle of second type, connecting member (22) is located on external side of body (10) for motion in direction of pin axis. Connecting member (22) has second clamping surface and respective bearing surface (20) and may move from first position to second position. EFFECT: possibility of fitting various control nozzles of at least two different types. 7 cl, 4 dwg