Thermostatic mixing valve

A thermostatic mixing valve for two liquids, e.g. warm and cold water, and comprising an elongated housing provided with an outlet and an inlet for each of the liquids, an actuating member for adjusting the outflow and the temperature of the mixed liquid, a thermostat body sensing the temperature of the mixed liquid, a control member said thermostat body being arranged to cooperate with said control member being axially displaceable in the housing for regulating the inlet areas of the liquids, a feed pipe extending axially in the housing being arranged for the first liquid, the end of the feed pipe remote from the inlet having a seat for the control member for regulating the inlet area of the first liquid, a closing sleeve and a sleeve member, which with one end forms a seat for the control member for regulating the inlet area of the second liquid flowing through a passage surrounding said feed pipe and with its opposite end is arranged to cooperate with said closing sleeve, which is axially displaceable in the housing and which regulates the outlet area of the mixed liquid, wherein said sleeve member is limitedly axially displaceable in the housing by the pressure from the second liquid against a stop member, and with the actuating member in a closed position the closing sleeve and the sleeve member on one hand and the sleeve member and the control member on the other hand being brought to sealingly contact each other and the control member against the action of a spring being brought to sealingly contact the seat of the feed pipe.