TUC/TUCE Thermostatic Expansion Valve

Brand: Danfoss

The TU series of thermostatic expansion valves is specifically developed for soldering into hermetic refrigeration systems. 

The TU is made of stainless steel and therefore is well-suited to refrigeration systems for aggressive environments and for the food industry. 

Danfoss also offers a wide range of options that makes possible countless valve combinations. 

Differentiating Features: Stainless steel
  • High body strength
  • High corrosion resistance
  • Highly vibration-resistant, flexible capillary tube
40% Reserve Capacity Over Nominal Rating
  • Reduces pulldown time after defrost compared to conventional TXV's
Bi-metal Connections
  • Fast and easy soldering without the need for a wet cloth
Precision Port Design
  • Four major features contributing to superior repeatable performance over an extended valve life: Laser-welded power element insures diaphragm's structural integrity and lengthens life
  • Precision-machined push-rod and bushing avoid the need for a packing gland
  • Free-floating push-rod is self-aligning and eliminates binding. Precision-machined cone and orifice accurately meter refrigerant under all operating conditions
Stainless Steel Capillary Tube
  • Tolerates more bending for easier installation and longer life
  • Greater resistance to vibration during operation
Stainless Steel Bulb
  • Self-aligning for fast and easy installation; secures with a single strap or Quick Clip
  • More contact surface for better heat transfer
Built-in Strainer
  • Angleway valve body: Unique 80 mesh strainer design capable of retaining more than twice the amount of dirt compared to that of a conventional design without restricting flow
  • Straightway valve body: 100 mesh strainer
Compact Design
  • Small footprint and light weight for compact installation
Laser Engraving
  • Durable positive valve identification; no labels to peel off over time
  • Patented Superheat Adjustment Device
  • Adjust with 5/32" Allen wrench
  • Versions with optional self-cleaning bleed port available
Bi-flow Operation
  • Optional Quick Clip bulb fastener For fast and easy installation
Standard Configurations are as follows
  • Internal (TUC) or external (TUCE) equalization
  • Fixed orifice and strainer
  • Fixed superheat
  • Straightway or angleway body

Specifications

Brand

Applications

  • Air Conditioning Systems
  • Conventional Refrigeration Systems
  • Heat Pump Systems
  • Ice Machines
  • Liquid Chillers
  • Specialty Refrigeration Appliances
  • Transport Refrigeration

Bulb Material

  • Stainless Steel

Capillary Length

  • Capillary Tube: 2.6 feet (0.8 m)
  • Capillary Tube: 5 ft (1.524 m)

Capillary Material

  • Stainless Steel

Cone Material

  • Stainless Steel

Enclosure, Body Material

  • Stainless Steel

Operating Pressure

  • psi: 500 (kPa: 3,447, bar: 34.47) - Max.
  • psi: 615 (kPa: 4,240, bar: 42.4) - Max.

Orifice Material

  • Stainless Steel

Proof Pressure

  • psi: 540 (kPa: 3,723, bar: 37.23) - Excluding R410A, Max.
  • psi: 680 (kPa: 4,688, bar: 46.88) - with R410A, Max.

Temperature Range

  • 0° to 100° C (32° to 212° F) - Bulb Temperature
  • 0° to 121° C (32° to 250° F) - Valve Body Temperature
  • 0° to 149° C (32° to 300° F) - Short-Lived Peak
  • -40° to 10° C (-40° to 50° F)

Tube Inlet

  • 1/2" Tube
  • 1/4" Tube
  • 3/8" Tube

Tube Outlet

  • 1/2" Tube
  • 3/8" Tube
  • 5/8" Tube

  • Air Conditioning Systems
  • Conventional Refrigeration Systems
  • Heat Pump Systems
  • Ice Machines
  • Liquid Chillers
  • Specialty Refrigeration Appliances
  • Transport Refrigeration
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