Control device, safety function DIN EN 14597, flanged, PN25, DN 40, kvs 16, 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
Operating range: DC 0…10 V, 4…20 mA
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, 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: 100:1…200:1DN15: 50…100
DN25...40: 100…200
Stroke: 20 mm
Leakage rate: 0…0.05 % of kvs
Medium temperature: 1…150 °C
Medium: Water , Water with anti-freeze , Steam , Saturated steam
Valve characteristic: Equal-percentage
Material, inside set: Stainless steel
Δpmax: 650 kPa
Δps: 750 kPa
DN: 40
kvs: 16 m³/h