Danfoss · QUICK DISCONNECT
Danfoss Hansen FD83 series coupling — FD83
Large-bore coupling for CDU and row-level service disconnects
Verified data
CDU / HEAT EXCHANGERECORD 100% COMPLETEMANUFACTURER POSITIONS THIS FOR DATA CENTERS
Published specification
High-flow thermal management coupling with a dual interlock safety mechanism; the 2-inch size reduces pressure drop by 98% against a standard 2¼-inch ball-locking coupling to ISO 7241-1 B.
Sizes1 inch and 2 inch body sizes
Flow / capacityCv 30 (1 in) and 127 (2 in); rated flow 189 l/min (50 gpm) and 800 l/min (211 gpm)
PressureMax operating (connected and disconnected) 10 bar (150 psi); min burst 20 bar (300 psi)
Temperature4 °C to 60 °C (39 °F to 140 °F); seal elastomer rated -40 °C to 150 °C
ConstructionDual interlock safety mechanism preventing accidental disconnection and spillage
Materials303 stainless steel, passivated
Fluid compatibilityWater and water-glycol; not intended for two-phase cooling
ConnectionThreaded, hose barb or sanitary flange terminal ends
CertificationsEPDM-P seal certified to IEC 62368-1 G.15.2.3
Control / signalUNKNOWN
Bend radiusUNKNOWN
Fire ratingUNKNOWN
Where it is used
CDU service disconnectRow header maintenance points
Technical alternatives — same function, same loop position
Danfoss Hansen ADB series coupling — ADB
Danfoss · QUICK DISCONNECT
Interface UNKNOWN — confirm connection compatibility before substituting
Substitution is a technical decision. Confirm size, pressure class, seal material and control interface against the original before you change a specification.
Lead time & availability
MARKET LEAD-TIME INDICATION
REQUEST CURRENT LEAD TIME
No sourced, dated and regionally scoped lead time is on file for this configuration. We do not publish an estimate without evidence.