Documents: MVL661.20-2.5
MVL661.20-2.5 | 3/4" Refrigeration Valve | Siemens
Hermetically sealed 2-port valves for 0 to 10V control
of chillers and heat pumps.
-Expansion, hot-gas and suction throttle applications with one type of valve
-PN40, stainless steel with soldering connections
-Integrated power electronics with positioning control
-For safety refrigerants such as R22, R134a, R404A, R407C, R744
Overview Details for MVL661.20-2.5
3/4" Refrigeration Valve
Specifications
- Ambient temperature, operation
- -25…55 °C
- Degree of protection
- IP65
- kvs
- 2.5 m³/h
- kvs reduced
- 1.6 m³/h
- Leakage rate
- 0.002 % of kvs
- Material, inside set
- CrNi steel/brass
- Material, valve body
- Steel/ CrNi steel
- Medium temperature
- -40…120 °C; -40…248 ºF
- Mounting position
- Upright to horizontal
- Operating voltage
- 24 VAC, 20…30 VDC
- Permissible operating pressure
- 4500 kPa
- Position feedback
- DC 0…10 V, 0…20 mA, DC 2…10 V, 4…20 mA
- Positioning signal
- DC 0...10 V, DC 2...10 V, DC 0...20 mA, DC 4...20 mA
- Positioning time
- 1 s
- Spring return function
- A->AB closed
- Valve characteristic
- Linear
- Δpmax
- 2500 kPa
- Operating range
- DC 0…10 V, 0…20 mA, DC 2…10 V, 4…20 mA
- Stroke resolution ΔH/H100
- 1:1000
- Material, valve body
- Steel / CrNi steel
- Dimensions (W x H x D)
- 5.91 x 11.08 x 4.02 in
- DN
- 20

