Control device, safety function DIN EN 14597, flanged, PN25, DN 25, kvs 10, 1000 N, AC 24 V, DC 0…10 V/DC 4…20 mA/0…1000 Ohm
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 24 V
Power consumption: 17 VA
Positioning signal: DC 0…10 V, DC 4…20 mA, 0…1000 Ohm
Positioning time: Open 50 s, Close 15 s
Spring return function: Yes (5...25 s)
Position feedback: DC 0…10 V, DC 4…20 mA
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: 2100 kPa
DN: 25
kvs: 10 m³/h