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VR 0.75 - 3/4 "non-return valve
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Description
The non-return valve is a one-way operation device, ie it allows to avoid the return of the pressurized fluid.
It is naturally used in sanitary water systems, raised water systems, heating systems, thermal power plants, heat generators (wall-mounted boilers, wood-fired boilers, heat pumps), solar systems, industrial and agricultural water systems in general.
The internal hydraulic seal is carried out by means of the forces exerted by a spring and by the pressure of the liquid on a gasket which carries out the seal even at minimum back pressures. In addition to this, the force of the spring allows the valve to have universal characteristics as regards the installation position.
Data sheet
