Valve Assembly

The Type 564 three-way valve is available in either 1/4″ or 1/2″ sizes for modulating control of liquids, gases or steam in either mixing or diverting applications.

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The Type 564 three-way valve is available in either 1/4″ or 1/2″ sizes for modulating control of liquids, gases or steam in either mixing or diverting applications. The unit features one common port and two non-common ports. When used in a diverting application, the common port is piped as the valve inlet with flow proportionally controlled through the two outlet ports. When used in a mixing application, the common port is piped as the outlet with incoming fluid entering the two non-common ports.

In this application, the inlet pressure to the two inlets should be the same. Each inner valve within the unit is connected by a common stem and is stroked simultaneously by the actuator. This action causes one orifice to open as the other is closing. The Cv, as well as the characteristic, of each inner valve can be the same or of different values, depending on the requirements of the application.