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Datasheet generated 2026-10-08
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Danfoss ICS1 50 pilot-operated servo valve, butt weld 2 in (50 mm), EN 10220, steel, Kv 44 m³/h (code 027H5144)

Danfoss · HVAC & Refrigeration · Expansion Valves · Denmark · danfoss.com
Part Number
027H5144  ·  HS 8481.80
Danfoss ICS1 50 pilot-operated servo valve, butt weld 2 in (50 mm), EN 10220, steel, Kv 44 m³/h (code 027H5144)

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.

Technical Specifications

TypeICS1 50 pilot-operated servo valve
Code number027H5144
Size50 mm (2 in)
DirectionStraightway
Inlet/outlet connectionButt weld, steel, EN 10220
Inlet/outlet connection size2 in / 50 mm
Kv value44 m³/h (Cv 51.04 gal/min)
Body materialSteel
Connection materialSteel
Surface coatingZn (TLP)
Valve operationPilot operated (single pilot function module on top cover)
Maximum working pressure65 bar (943 psig)
Media temperature range-60 to +120 °C (-76 to 248 °F)
RefrigerantsR717 (ammonia), R744 (CO₂), R134a, R404A, R410A, R290, R600a and other listed refrigerants
PED categoryII
ApprovalsEAC, TÜV, UL
ComplianceEU RoHS, China RoHS
EAN5715162688663
Net weight9.731 Kilogram
Product groupPress. and temp. regul. valves
ApprovalEAC
China RoHS complianceYes
Connection standardEN 10220
Cv value [gal/min]51.04 gal/min
EU RoHS complianceYes
Ext pilot pressure connectionWeld nipple (P2 Port)
Flow direction indicatorEmbossed 1-way arrow
Fluid Group1
Inlet connection size [in]2 in
Inlet connection size [mm]50 mm
Inlet connection typeButt weld
Kv value [m³/h]44 m³/h
Manual operation optionManual open spindle
Max. Working Pressure [bar]65 bar
Max. Working Pressure [psig]943 psig
Opening configurationFull open by external hot gas
Outlet connection size [in]2 in
Outlet connection size [mm]50 mm
Outlet connection typeButt weld
Pressure gauge connectionInt. thread with blind plug
REACH Candidate List substancesNo
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 cover1 function module
UL approval file nameREFRIGERANT VALVE 53R0
UL markYes
Valve versionStandard version

Properties

MaterialSteel
Pressure rating65 bar
Temperature range-60 to +120 °C
Primary standardEN 10220
Standard size50 mm (2 in)
MOQ1

Compatibility

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.

Standards

Approvals

Attached Documents