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Danfoss TUB thermostatic expansion valve, R1234ZE(E), 6 mm x 12 mm solder ODF

Danfoss · HVAC & Refrigeration · Expansion Valves · Denmark · danfoss.com
Part Number
068U3930  ·  HS 8481.80
Danfoss TUB thermostatic expansion valve, R1234ZE(E), 6 mm x 12 mm solder ODF

Danfoss TUB universal thermostatic expansion valve, OEM P/N 068U3930. Internally equalized, stainless-steel body and capillary (fixed orifice, adjustable superheat). Refrigerant R1234ze(E). Orifice assembly size 5. Nominal capacity 2.8 kW (0.79 TR) at the standard rating condition. Evaporating temperature range -10 to 30 °C. Inlet 6 mm, outlet 12 mm, solder ODF. Static superheat 4 °C (adjustable). Capillary/bulb length 1500 mm. Max working pressure 34 bar (500 psig). Hermetic laser-welded design per EU F-gas Regulation 517/2014. EAN 5702424052003.

Technical Specifications

BrandDanfoss
Part number068U3930
TypeTUB (fixed orifice, adjustable superheat, internally equalized)
CategoryExpansion valves — thermostatic
RefrigerantR1234ze(E)
Nominal capacity2.8 kW (0.79 TR)
Pressure equalizationInternally equalized
Orifice size5
Inlet connection6 mm, Solder ODF
Outlet connection12 mm, Solder ODF
Static superheat4 °C, adjustable
Evaporating temperature range-10 to 30 °C
Capillary tube / bulb length1500 mm
Max working pressure34 bar (500 psig)
Body materialStainless steel
EAN5702424052003
ApprovalsUL, EAC
Net weight0.145 Kilogram
Product groupExpansion valves
ApprovalEAC
Capillary tube length [in]59 in
Capillary tube length [mm]1500 mm
China RoHS complianceYes with exemptions
China RoHS exemption clause7.1
Connection materialBi-metal: Steel/copper
DirectionStraightway
EU RoHS complianceYes with exemptions
EU RoHS exemption clause6(a)
Flow directionSingle-flow
Flow direction indicatorLaser engraved 1-way arrow
Fluid Group2
Inlet connection typeSolder, ODF
Inlet size [mm]6 mm
Max. Working Pressure [bar]34 bar
Max. Working Pressure [psig]500 psig
Orifice capacities [kW]2.8 kW
Orifice capacities [TR]0.79 TR
Outlet connection typeSolder, ODF
Outlet size [mm]12 mm
Parts includedBulb strap
PED categoryArt. 4, par. 3
Rated cap. cond. Range N [IMP]OS=7.2 ºF
Rated cap. cond. Range N [SI]OS=4K
REACH Candidate List substancesLead (CAS no. 7439-92-1)
RefrigerantsR1234ze(E)
SealNo
Static Superheat (SS) [°C]4 °C
Static Superheat (SS) [°F]7.2 °F
Superheat settingAdjustable
Temperature range [°C] [max]30 °C
Temperature range [°C] [min]-10 °C
Temperature range [°F] [max]85 °F
Temperature range [°F] [min]15 °F
UL markYes

Properties

MaterialStainless steel
Pressure rating34 bar (500 psig) max working pressure
Temperature range-10 to 30 °C (evaporating)
Standard size6 mm x 12 mm
MOQ1

Compatibility

Rated for R1234ze(E). Select capacity to the evaporator load and rating condition per the TU/TC data sheet before ordering.

Approvals

Attached Documents