FIELD: power industry.
SUBSTANCE: three-way valve is proposed, which can be installed in outdoor-type heating boiler consisting of thermally and hydraulically insulated housing 1 inside which heat exchanger with gas burner device is located; besides, heat exchanger includes straight and return lines; in straight line there installed is three-way valve with circulating pipelines. Three-way valve includes body that is made in the form of a part of straight line of the boiler heat exchanger, thermostatic element with movable valve fixed in the valve body by means of a clamp, gasket and cover with bolts. Valve body includes seat of circulating pipeline; besides, thermostatic element is fixed opposite the seat with possibility of formation of constantly open section of straight line of heat exchanger, and circulating pipeline is connected to circulating suction pump.
EFFECT: avoiding emergency situations at failure of thermostatic element of three-way valve; improving boiler reliability.
2 dwg
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