Danfoss 068U1031 Orifice Assembly

The Danfoss 068U1031 Orifice Assembly is a specialized TXV orifice engineered for use with TUA and TUAE thermostatic expansion valves. Designed for HVACR refrigeration units, this Size 1 orifice provides precise subcooled liquid metering across a broad spectrum of refrigerant compatibility, including high-pressure R410A and A2L refrigerants like R32 and R454C. For technicians, this stainless steel orifice ensures consistent superheat control and refrigerant flow optimization in straightway configurations. The Danfoss 068U1031 maintains a temperature range of -40°F to 50°F, making it suitable for both low-temperature refrigeration and medium-temperature air conditioning applications. By replacing clogged TXV orifices with this OEM Danfoss TUA orifice, contractors can restore rated cooling capacity—ranging from 0.19 TR for R134a up to 0.4 TR for R410A—and prevent evaporator floodback or starvation.

• Extreme Versatility: Certified for use with over 15 refrigerants including R404A, R22, R407C, R513A, and R1234yf.
• Precise Flow Control: Engineered Orifice Size 1 geometry ensures accurate pressure drop and mass flow for specific BTU/hr ratings.
• Enhanced Durability: High-grade stainless steel construction resists corrosion and wear from high-velocity refrigerant flow.
• Modular Design: Interchangeable orifice system allows for rapid field capacity adjustments without removing the TUA/TUAE valve body.
• Technical Compliance: Meets low GWP refrigerant standards and carries EU RoHS and EAC certifications for professional installations.

Is the Danfoss 068U1031 compatible with R410A systems?
Yes, this orifice assembly is specifically rated for R410A with a nominal capacity of 1.3 kW (0.4 TR), provided it is used within a compatible TUA/TUAE valve housing.

Can this orifice be used in low-temp refrigeration?
The 068U1031 is rated for evaporating temperatures as low as -40°F, making it an ideal choice for walk-in freezers and reach-in coolers using R404A or R507.

Does this assembly include the filter screen?
This Danfoss expansion valve part is typically supplied in multi-packs for the service trade to ensure technicians have the correct metering device for various refrigerant charges during TXV troubleshooting.

Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and reproductive harm. www.p65warnings.ca.gov

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.