Danfoss 068U1038 Orifice Assembly

The Danfoss 068U1038 Orifice Assembly is a critical metering component designed specifically for TUA and TUAE series thermostatic expansion valves. Engineered for precise refrigerant injection, this size 08 orifice ensures optimal evaporator coil loading and superheat control across diverse temperature ranges, specifically from -40°F to 50°F (-40°C to 10°C). This assembly, also identified by the interchangeable part number 068U103800, provides the field-replaceable flexibility required for maintaining or retrofitting HVACR refrigeration systems without replacing the entire valve body.

Built to handle modern high-pressure environments, the Danfoss TUA orifice 08 is compatible with an extensive list of refrigerants including R410A, R404A, R134a, R407C, R32, R452A, and R1234yf. The straightway flow direction and stainless steel internal components help mitigate turbulence and maximize the cooling capacity of the TXV. For contractors managing multiple installs, this product is supplied in a multi-pack format containing 9 pieces, ensuring you have the necessary expansion valve parts on hand for high-volume service calls or HVAC maintenance.

Key Technical Benefits:

• Universal Refrigerant Compatibility: Supports a wide array of ASHRAE-rated refrigerants including A2L options like R32 and R454C, future-proofing your equipment.
• Precision Metering: Specifically calibrated as a size 08 orifice to deliver accurate mass flow, preventing liquid slugging and protecting the compressor.
• Simplified Maintenance: Facilitates rapid exchange in Danfoss TUA/TUAE valves, reducing system downtime during capacity adjustments or cleanouts.
• Optimized Performance: Maintains consistent efficiency in low and medium temperature applications, vital for commercial refrigeration and process cooling.
• Environmental Compliance: Fully compliant with EU RoHS and REACH standards for professional-grade reliability.

Common Questions:

Is the 068U1038 compatible with older TU series valves?
This orifice is designed specifically for the TUA and TUAE series. Verify the valve body stamping ensures it accepts the replaceable orifice assembly before installation.

How do I confirm if I need the 068U1038 or a different size?
Size selection depends on your system's required BTU capacity and the specific refrigerant used. The 08 size provides a specific flow rate; always consult the Danfoss CoolSelector2 tool for precise capacity matching.

Can this orifice be cleaned if it becomes clogged?
This assembly is classified as non-serviceable. To ensure system integrity and accurate metering, a clogged orifice should be replaced with a new unit rather than cleaned.

Safety Notice:
WARNING: This product can expose you to chemicals including Lead, which is known to cause cancer and reproductive harm. For more information, visit 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.