• For closed cold and warm water systems
• For modulating control of air-handling and heating systems on the water side
• Snap-assembly of the actuator
• Torque motor 1 Nm
• Nominal voltage AC/DC 24

PI Zone Valve Specifications

• Pattern : 2-way
• Fluid : Cold and warm water, water with glycol up to
  max. 50% vol.
• Flow Temperature : -20 – 120°C (36 – 140°F)
• Flow Temperature Note : with Actuator 2 – 90°C
• Differential Pressure :16 – 350 kPa
• Close-off pressure : 1400 kPa
• Flow Characteristic : Equal percentage (VDI/VDE 2178), optimised in
  the opening range
• Pressure Stability : ±5% with a pressure value of 35 – 350 kPa
  ±10% with a pressure value of 16 – 35 kPa
• Leakage Rate : Air-bubble tight, leakage rate A
• Angle of Rotation : 90°
• Angle of Rotation Note : Operating range 15 – 90°
• Pipe Connection : Internal thread according to ISO 7-1
• Installation Operation : Upright to Horizontal (in relation to the stem)

Rotary Actuator for Zone Valves

• Nominal Voltage AC/DC : 24 V
• Nominal Voltage Frequency : 50/60Hz
• Nominal Voltage Range : AC 19.2 – 28.8 V / DC 21.6 – 28.8 V
• Power Consumption in Operation : 0,3 W
• Power Consumption in Rest Position : 0,3 W
• Power Consumption for Wire Sizing :0,6 VA
• Connection Supply / Control : Cable 1 m, 4 x 0.34 mm²