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Control device, safety function DIN EN 14597, flanged, PN25, DN 20, kvs 6.3, 1000 N, AC 230 V, 3P Control devices with safety shut-off function per DIN EN 14597 for protection against excessive temperature and pressure in district heating, heating, ventilation and air conditioning systems. For open and closed circuits. With positioning control, position feedback signal and spring return function. Technical Specifications PN class: PN 25 Operating voltage: AC 230 V Power consumption: 20 VA Positioning signal: 3-position Positioning time: 120 s Spring return function: Yes (5...25 s) Position feedback: DC 0...10 V (MKD563..) , DC 4...20 mA (MKD563..) Positioning force: 1000 N Degree of protection: IP54 Ambient temperature, operation: -15…50 °C Mounting position: Upright to horizontal Permissible operating pressure: 2500 kPa Rangeability: DN15: 50…100 , DN25...40: 100…200 Stroke: 20 mm Leakage rate: 0...0.05 % of kvs value Medium temperature: 1…150 °C Medium: Water , Water with anti-freeze , Steam , Saturated steam Valve characteristic: Equal percentage Material, inside set: Stainless steel Δpmax: 1200 kPa Δps: 2500 kPa DN: 20 kvs: 6.3 m³/h
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Control device, safety function DIN...
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