| Brand | Danfoss |
| Part number | 068U3978 |
| Type | TUBE (fixed orifice, adjustable superheat, externally equalized) |
| Category | Expansion valves — thermostatic |
| Refrigerant | R290 |
| Nominal capacity | 1.12 kW (0.32 TR) |
| Pressure equalization | Externally equalized |
| Orifice size | 2 |
| Inlet connection | 6 mm, Solder ODF |
| Outlet connection | 12 mm, Solder ODF |
| Equalizer connection | 6 mm, Solder ODF |
| Static superheat | 4 °C, adjustable |
| Evaporating temperature range | -40 to 10 °C |
| Capillary tube / bulb length | 800 mm |
| Max working pressure | 34 bar (500 psig) |
| Body material | Stainless steel |
| EAN | 5715162265260 |
| Approvals | UL, EAC |
| Net weight | 0.14 Kilogram |
| Product group | Expansion valves |
| Approval | EAC |
| Bleed [%] | 15 % |
| 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 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] | 6 mm |
| Max. Working Pressure [bar] | 34 bar |
| Max. Working Pressure [psig] | 500 psig |
| Orifice capacities [kW] | 1.12 kW |
| Orifice capacities [TR] | 0.32 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 |
