Danfoss 068U3978 TUBE thermostatic expansion valve, R290, 6 mm x 12 mm solder ODF
Danfoss · HVAC & Refrigeration · Expansion Valves
Danfoss TUBE universal thermostatic expansion valve, OEM P/N 068U3978. Externally equalized, stainless-steel body and capillary (fixed orifice, adjustable superheat). Refrigerant R290. Orifice assembly size 2. Nominal capacity 1.12 kW (0.32 TR) at the standard rating condition. Evaporating temperature range -40 to 10 °C. Inlet 6 mm, outlet 12 mm, external equalizer 6 mm, solder ODF. Static superheat 4 °C (adjustable). Capillary/bulb length 800 mm. Max working pressure 34 bar (500 psig). External equalizer connection 6 mm, solder ODF, referencing evaporator-outlet pressure for stable superheat on larger or high-pressure-drop coils. R290 is an A3 (flammable) hydrocarbon refrigerant; observe the applicable charge-limit and installation safety standards. Hermetic laser-welded design per EU F-gas Regulation 517/2014. EAN 5715162265260.
Specifications
- Part number
- 068U3978
- HS code
- 8481.80
- Material
- Stainless steel
- Pressure rating
- 34 bar (500 psig) max working pressure
- Temperature range
- -40 to 10 °C (evaporating)
- Standard size
- 6 mm x 12 mm
Compatibility
Rated for R290. Select capacity to the evaporator load and rating condition per the TU/TC data sheet before ordering.
Approvals
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