Danfoss TUBE thermostatic expansion valve, R290, 10 mm x 12 mm solder ODF
Danfoss

Danfoss TUBE thermostatic expansion valve, R290, 10 mm x 12 mm solder ODF

Part number068U3720Item numberDANFOSS-068U3720EAN / GTIN5702428932172HS code8481.80
MaterialStainless steelUL, EAC
HVAC & Refrigeration
Expansion Valves
MOQ:1

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Product Description

Danfoss TUBE universal thermostatic expansion valve, OEM P/N 068U3720. Externally equalized (1/4 in equalizer, Solder ODF). Stainless-steel body and capillary (fixed orifice, adjustable superheat). Refrigerant R290. Orifice assembly size 8. Nominal capacity 10.2 kW (2.91 TR) at the standard rating condition. Evaporating temperature range -40 to 10 °C. Inlet 10 mm, outlet 12 mm, solder ODF. Static superheat 4 °C (adjustable). Max working pressure 34 bar (500 psig). Hermetic laser-welded design per EU F-gas Regulation 517/2014. EAN 5702428932172.

Technical Specifications

Brand
Danfoss
Part number
068U3720
Type
TUBE (fixed orifice, adjustable superheat, externally equalized)
Category
Expansion valves — thermostatic
Refrigerant
R290
Nominal capacity
10.2 kW (2.91 TR)
Pressure equalization
Externally equalized (1/4 in equalizer, Solder ODF)
Orifice size
8
Inlet connection
10 mm, Solder ODF
Outlet connection
12 mm, Solder ODF
Static superheat
4 °C, adjustable
Evaporating temperature range
-40 to 10 °C
Max working pressure
34 bar (500 psig)
Body material
Stainless steel
EAN
5702428932172
Approvals
UL, EAC
Net weight
0.151 Kilogram
Product group
Expansion valves
Approval
EAC
Capillary tube length [in]
31 in
Capillary tube length [mm]
800 mm
China RoHS compliance
Yes with exemptions
China RoHS exemption clause
7.1
Connection Code
(3001:X:10; 3001:X:12)
Connection material
Bi-metal: Steel/copper
Direction
Angleway
Equalization connection type
Solder, ODF
Equalization size [mm]
6 mm
EU RoHS compliance
Yes with exemptions
EU RoHS exemption clause
6(a)
Flow direction
Bi-flow
Flow direction indicator
Laser engraved 1-way arrow
Fluid Group
1
Inlet connection type
Solder, ODF
Inlet size [mm]
10 mm
Max. Working Pressure [bar]
34 bar
Max. Working Pressure [psig]
500 psig
Orifice capacities [kW]
10.2 kW
Orifice capacities [TR]
2.91 TR
Outlet connection type
Solder, ODF
Outlet size [mm]
12 mm
Parts included
Bulb strap
PED category
Art. 4, par. 3
Rated cap. cond. Range N [IMP]
OS=7.2 ºF
Rated cap. cond. Range N [SI]
OS=4K
REACH Candidate List substances
Lead (CAS no. 7439-92-1)
Refrigerants
R290
Seal
No
Static Superheat (SS) [°C]
4 °C
Static Superheat (SS) [°F]
7.2 °F
Superheat setting
Adjustable
Temperature range [°C] [max]
10 °C
Temperature range [°C] [min]
-40 °C
Temperature range [°F] [max]
50 °F
Temperature range [°F] [min]
-40 °F
UL mark
Yes

Standards & Compliance

Size / Series
10 mm x 12 mm
Material
Stainless steel
Pressure Rating
34 bar (500 psig) max working pressure
Temperature Range
-40 to 10 °C (evaporating)
Classification / Approval
UL, EAC
HS Code
8481.80

Compatibility & Fitment

Rated for R290. Select capacity to the evaporator load and rating condition per the TU/TC data sheet before ordering.

Not sure if it fits? Email sales@cballast.com with your equipment serial number or photos — we confirm fit before you order.

Product Documentation

Document preview: Danfoss TU/TC Thermostatic Expansion Valve Data Sheet

Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 068U3720?
068U3720 can be ordered from cballast.com as a Danfoss catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Danfoss product?
The manufacturer part number is 068U3720.
What is the HS code for 068U3720?
The customs tariff (HS) code for 068U3720 is 8481.80.
Who manufactures 068U3720?
068U3720 is a Danfoss product in the HVAC & Refrigeration range.
Is a datasheet available for 068U3720?
Yes — the 068U3720 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 068U3720?
The minimum order quantity is 1.
Is 068U3720 available?
Yes — 068U3720 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).