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Datasheet generated 2026-10-08
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Danfoss ICS 100 pilot-operated servo valve, butt weld 4 in (100 mm), ASME B 36.10M Sch 40, steel, Kv 142 m³/h (code 027H7121)

Danfoss · HVAC & Refrigeration · Expansion Valves · Denmark · danfoss.com
Part Number
027H7121  ·  HS 8481.80
Danfoss ICS 100 pilot-operated servo valve, butt weld 4 in (100 mm), ASME B 36.10M Sch 40, steel, Kv 142 m³/h (code 027H7121)

Danfoss ICS 100 pilot-operated servo main valve (code 027H7121) for industrial refrigeration. Straightway steel body with butt-weld connections both ends, 4 in / 100 mm to ASME B 36.10M Schedule 40; flow coefficient Kv 142 m³/h (Cv 164.72 gal/min). The ICS main valve accepts up to three function modules on its top cover to set the control function (pilots ordered separately). Maximum working pressure 52 bar (754 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 027H7121.

Technical Specifications

TypeICS 100 pilot-operated servo valve
Code number027H7121
Size100 mm (4 in)
DirectionStraightway
Inlet/outlet connectionButt weld, steel, ASME B 36.10M Schedule 40
Inlet/outlet connection size4 in / 100 mm
Kv value142 m³/h (Cv 164.72 gal/min)
Body materialSteel
Connection materialSteel
Surface coatingZn (TLP)
Valve operationPilot operated (accepts up to three function modules)
Maximum working pressure52 bar (754 psig)
Media temperature range-60 to +120 °C (-76 to 248 °F)
RefrigerantsR717 (ammonia), R744 (CO₂), R134a, R404A, R410A and other listed refrigerants
PED categoryII
ApprovalsCE 0045, EAC (LLC CDC TYSK), TÜV, UL
ComplianceEU RoHS, China RoHS
EAN5702428229760
Net weight49.16 Kilogram
Product groupPress. and temp. regul. valves
ApprovalCE 0045
China RoHS complianceYes
Connection Code(2002:S40:100)
Connection standardASME B 36.10M SCHEDULE 40
Cv value [gal/min]164.72 gal/min
EquipmentCap
EU RoHS complianceYes
Ext pilot pressure connectionWeld nipple (P2 Port)
Flow direction indicatorEmbossed 1-way arrow
Fluid Group1
Inlet connection size [in]4 in
Inlet connection size [mm]100 mm
Inlet connection typeButt weld
Kv value [m³/h]142 m³/h
Manual operation optionManual open spindle
Max. Working Pressure [bar]52 bar
Max. Working Pressure [psig]754 psig
Opening configurationClosed (delta p=0 bar)
Outlet connection size [in]4 in
Outlet connection size [mm]100 mm
Outlet connection typeButt weld
Pilot connection configurationP: Parallel connection
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 cover3 function modules
UL approval file nameREFRIGERANT VALVE 53R0
UL markYes
Valve versionStandard version

Properties

MaterialSteel
Pressure rating52 bar
Temperature range-60 to +120 °C
Primary standardASME B 36.10M Schedule 40
Standard size100 mm (4 in)
MOQ1

Compatibility

Danfoss ICS three-module servo main valve. Butt-weld variants dimensioned to EN 10220 (027H7120) and ASME B 36.10M Sch 40 (this code) are separate SKUs. Verify Kv, pilot/module configuration and refrigerant duty before ordering.

Standards

Approvals

Attached Documents