Danfoss ICS1 50 pilot-operated servo main valve (code 027H5144) for industrial refrigeration. Straightway steel body with butt-weld connections both ends, 2 in / 50 mm to EN 10220; flow coefficient Kv 44 m³/h (Cv 51.04 gal/min). The ICS 1 main valve carries a single pilot function module on its top cover, setting one control function (pilot ordered separately). Maximum working pressure 65 bar (943 psig); media temperature -60 to +120 °C (-76 to 248 °F). Suitable for R717 (ammonia), R744 (CO₂), HFC and hydrocarbon refrigerants. Specifications per Danfoss store code 027H5144.
| Type | ICS1 50 pilot-operated servo valve |
| Code number | 027H5144 |
| Size | 50 mm (2 in) |
| Direction | Straightway |
| Inlet/outlet connection | Butt weld, steel, EN 10220 |
| Inlet/outlet connection size | 2 in / 50 mm |
| Kv value | 44 m³/h (Cv 51.04 gal/min) |
| Body material | Steel |
| Connection material | Steel |
| Surface coating | Zn (TLP) |
| Valve operation | Pilot operated (single pilot function module on top cover) |
| Maximum working pressure | 65 bar (943 psig) |
| Media temperature range | -60 to +120 °C (-76 to 248 °F) |
| Refrigerants | R717 (ammonia), R744 (CO₂), R134a, R404A, R410A, R290, R600a and other listed refrigerants |
| PED category | II |
| Approvals | EAC, TÜV, UL |
| Compliance | EU RoHS, China RoHS |
| EAN | 5715162688663 |
| Net weight | 9.731 Kilogram |
| Product group | Press. and temp. regul. valves |
| Approval | EAC |
| China RoHS compliance | Yes |
| Connection standard | EN 10220 |
| Cv value [gal/min] | 51.04 gal/min |
| EU RoHS compliance | Yes |
| Ext pilot pressure connection | Weld nipple (P2 Port) |
| Flow direction indicator | Embossed 1-way arrow |
| Fluid Group | 1 |
| Inlet connection size [in] | 2 in |
| Inlet connection size [mm] | 50 mm |
| Inlet connection type | Butt weld |
| Kv value [m³/h] | 44 m³/h |
| Manual operation option | Manual open spindle |
| Max. Working Pressure [bar] | 65 bar |
| Max. Working Pressure [psig] | 943 psig |
| Opening configuration | Full open by external hot gas |
| Outlet connection size [in] | 2 in |
| Outlet connection size [mm] | 50 mm |
| Outlet connection type | Butt weld |
| Pressure gauge connection | Int. thread with blind plug |
| REACH Candidate List substances | No |
| Temperature range [°C] [max] | 120 °C |
| Temperature range [°C] [min] | -60 °C |
| Temperature range [°F] [max] | 248 °F |
| Temperature range [°F] [min] | -76 °F |
| Top cover | 1 function module |
| UL approval file name | REFRIGERANT VALVE 53R0 |
| UL mark | Yes |
| Valve version | Standard version |
| Material | Steel |
| Pressure rating | 65 bar |
| Temperature range | -60 to +120 °C |
| Primary standard | EN 10220 |
| Standard size | 50 mm (2 in) |
| MOQ | 1 |
Danfoss ICS 1 single-pilot servo main valve. Function is set by the pilot module fitted to the top cover. Verify Kv, pilot configuration and refrigerant duty before ordering.