Description

Communicative characterised control valve with sensor-operated flow control, 2-way, internal thread (EPIV) • Nominal voltage AC/DC 24 V • Control Modulating • For closed cold and warm water systems • For modulating control of air- handling and heating systems on thewater side • Communication via Belimo MP-Bus or conventional control • Conversion of active sensor signals and switching contacts Description Electrical data: Nominal voltage AC/DC 24 V Nominal voltage frequency 50/60 Hz Nominal voltage range AC 19.2…28.8 V / DC 21.6…28.8 V Power consumption in operation DN 15…25 3.5 W / DN 32…50 4.5 W Power consumption at rest DN 15…25 1.3 W / DN 32…50 1.4 W Power consumption for wire sizing DN 15…25 6 VA / DN 32…50 7 VA Connection supply / control Cable 1 m, 4 x 0.75 mm² Parallel operation Yes (note the performance data) Functional data: Torque Motor 5 Nm (DN 15…25) 10 Nm (DN 32…40) 20 Nm (DN 50) Positioning signal Y DC 0…10 V Operating range Y DC 2…10 V Operating range Y variable Start point DC 0.5…24 V End point DC 8.5…32 V Position feedback U DC 2…10 V Position feedback U variable Start point DC 0.5…8 V End point DC 2…10 V Sound power level motor 45 dB(A) Adjustable flow rate Vmax 30…100% of Vnom Control accuracy ±10% (of 25…100% Vnom) Control accuracy note ±6% (of 25…100% Vnom) at 20°C / Glykol 0% vol. Media Cold and warm water, water with glycol up to max. 50% vol. Medium temperature -10…120°C Permissible pressure ps 1600 kPa Closing pressure ∆ps 1400 kPa Differential pressure ∆pmax 350 kPa Differential pressure note 200 kPa for low-noise operation Flow characteristic equal percentage (VDI/VDE 2178), optimised in the opening range (switchable to linear) Leakage rate Leakage rate A, air-bubble-tight (EN 12266-1) Pipe connector Internal thread according to ISO 7-1