| CPC E03B 7/077 (2013.01) [E03B 7/078 (2013.01)] | 13 Claims |
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1. A combination valve having a valve housing intended for an ingoing pressure above 5 bars, wherein the valve housing being moulded in one unit and comprising therein a shut-off valve, a control plug, a filter, and a combined pressure reduction valve and water stop valve;
the combined pressure reduction valve and water stop valve having a first axle;
the first axle having a plunger at a first end;
an opening between the plunger and an associated pressure reduction valve seat being controlled by a second spindle, the second spindle being coupled to the plunger at an opposite end thereof relative to the first axle, and an adjustable first spring arranged at an opposite second end of the first axle; the first axle, the plunger, the pressure reduction valve seat, the second spindle and the first spring being arranged concentric about a common axis; the second spindle being coupled to an actuator;
the actuator actuating the second spindle to move the plunger against the pressure reduction valve seat and close the water stop valve, the actuator being coupled to at least one water leak sensor;
wherein the shut-off valve is a combined check valve and shut off valve comprising a third spindle, a valve body received by the third spindle, the valve body having an outer end that is configured to seal against a check valve seat, a second spring configured to push the outer end against the check valve seat and a control wheel for manually rotating the third spindle and thereby pressing the outer end against the check valve seat.
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