Giacomini P556Y050 - 3-point floating actuator for zone valve
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P556Y050 - 3-point floating actuator to control the G5 & G6 HIU zone valves.
The actuator head is removable without affecting the integrity of the water system. All actuator versions are interchangeable with any valve body, offering the highest flexibility for boiler production line assembly, and maintenance. The valve piston construction allows for port sealing that is independent of the differential pressure across the valve. Flow through the 2-way valve can be in either direction, so the ports are not desig- nated. 3-way valves are suitable for both diverting water from AB to A or B, and from A or B to AB.