FRU+RB is a rotary ball control valves for fan coil unit. The advantage is high close-off pressure 600 KPa, Tight Sealing and Low noise.
FRU + RB.. FAN COIL VALVE
Spec
Catalogue
Power Supply: 24AC/50Hz, DC24VValve Size: 1/2″, 3/4″, 1″Control Signal: Open-Close, 3-Point