Danfoss 068Z3728 1/4 - 5.5TR Expansion Valve Body, TE 2, R448A,R449A, 3/8x1/2 in, Flare, External Equalized, Bi-Flow, -40 to 50 F, Capacity determined by Orifice size Sold Separately, Identical Product 068Z3732

$79.97
Price per Each
SKU
G068Z3728

In stock
Danfoss 068Z3728 1/4 - 5.5TR Expansion Valve Body, TE 2, R448A,R449A, 3/8x1/2 in, Flare, External Equalized, Bi-Flow, -40 to 50 F, Capacity determined by Orifice size Sold Separately, Identical Product 068Z3732

Weight : 0.701 LBR
Volume : 0.01730686 FTQ
Model : 068Z3728
UPC-EAN : 5702428961998

Danfoss 068Z3728 Thermostatic Expansion Valve – TE2 for R448A and R449A

The Danfoss 068Z3728 thermostatic expansion valve (TXV) is designed for high precision refrigerant control in medium and low-temperature systems using R448A or R449A. This externally equalized angleway valve ensures stable superheat, even under significant evaporator pressure drops.

Key Features

  • Refrigerant: R448A, R449A
  • Capacity: 0.25 to 5.5 tons (based on orifice)
  • Temperature Range: -40 F to +50 F
  • Connections: 3/8 inch flare inlet × 1/2 inch flare outlet
  • Valve Type: Angleway, externally equalized
  • Capillary Tube Length: 59 inch
  • Max Working Pressure: 500 psig
  • Static Superheat: 7.2 F (adjustable)
  • Identical Part Number: 068Z3732

Applications

Ideal for supermarket display cases, walk-in coolers, transport refrigeration, ice machines, and other R448A/R449A systems requiring precise refrigerant metering.

Competitor Equivalent Part Numbers

  • Emerson TX3 series
  • Sporlan ER series
  • ALCO TIE series

Frequently Asked Questions

  • Is the orifice interchangeable?
    Yes. The TE2 valve supports orifice sizes 01–05 for accurate capacity tuning.
  • Why external equalization?
    It compensates for evaporator pressure drop to maintain stable superheat control.
  • Can it be used with other refrigerants?
    No. This valve is calibrated exclusively for R448A and R449A.
  • What role does the capillary tube serve?
    The 59 inch tube links the sensing bulb to the valve for responsive charge control.
Danfoss 068Z3728 TXV Valve
G068Z3728
New

Ficha de datos

Weight
0.701 LBR
Volume
0.01730686 FTQ
Model
068Z3728
UPC-EAN
5702428961998

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