VALVE, THERMOSTATIC VALVE IN PARTICULAR FOR HEATING APPLIANCES Russian patent published in 2002 - IPC

FIELD: heating systems. SUBSTANCE: valve, thermostatic valve in particular has body l50, seat 153, shut-off member 154 and connecting unit l66 for securing control head of first type. Valve is provided with bearing surface 162 at first distance (A) from free end of control pin 156 and respective first clamping surface. The following combinations are provided for securing the head of at least second type in body 150: first inner connecting member (158;182), load-bearing sealing unit (157;179) and first clamping surface (161; 181) for motion at definite distance (D) in way of pin axis. Second outer connecting member (163; 183) surrounding inner connecting member and provided with external thread (165; 184) and bearing surface (162; 182); outer connecting member is mounted for motion relative to inner connecting member through definite distance (E) in way of pin axis. EFFECT: possibility of mounting any required head on valve without danger of loss of additional parts. 8 cl, 7 dwg