Siemens MVL661.20-2.5 : Modulating Refrigeration Valve, 3/4" DN, kvs: 2.5m3/h, kvs reduced 1.6m3/h, Magnetic Actuator, Positioning Signal: 0-10V, 2-10V, 4-20mA, 5-Year Warranty
Specifications
| Ambient temperature, operation | -25…55 °C |
| Degree of protection | IP65 |
| kvs | 2.3 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) | 5.51 x 10.87 x 4.02 in |
| DN | 20 |
Datasheets
 | Siemens MVL 661 Series Data Sheet |
| Siemens MVL 661 Series Installation |
