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Danfoss T 2 thermostatic expansion valve, R448A/R449A, 3/8 in flare × 1/2 in flare, internally equalized, evaporating -60 to -25 °C (code 068Z3735)

Danfoss · HVAC & Refrigeration · Expansion Valves · Denmark · danfoss.com
Part Number
068Z3735  ·  HS 8481.80
Danfoss T 2 thermostatic expansion valve, R448A/R449A, 3/8 in flare × 1/2 in flare, internally equalized, evaporating -60 to -25 °C (code 068Z3735)

Danfoss T 2 thermostatic expansion valve for R448A/R449A. Internally equalized with adjustable 4 °C static superheat, 3/8 in flare inlet and 1/2 in flare outlet, evaporating range -60 to -25 °C. Maximum operating pressure MOP 35. Interchangeable orifice assembly (ordered separately).

Technical Specifications

TypeThermostatic expansion valve
SeriesT 2 (T2 / TE 2 program)
RefrigerantR448A/R449A
Inlet3/8 in flare
Outlet1/2 in flare
Pressure equalizationInternally equalized
MOPMOP 35 (limited at -20 °C)
Evaporating temperature range-60 to -25 °C
Static superheat4 °C (adjustable)
Capillary tube1500 mm
Max working pressure34 bar (500 psig)
Body/connection materialBrass
OrificeReplaceable (ordered separately)
Net weight0.282 kg
Gross weight0.305 kg
EAN5702428988094
MPN068Z3735
Product groupExpansion valves
ApprovalEAC
Body materialBrass
Capillary tube length [in]59 in
Capillary tube length [mm]1500 mm
China RoHS complianceYes with exemptions
Connection materialBrass
DirectionAngleway
EU RoHS complianceYes with exemptions
EU RoHS exemption clause6(a)
Flow directionSingle-flow
Flow direction indicatorEmbossed 1-way arrow
Fluid Group2
Inlet connection typeFlare
Inlet size [in]3/8 in
Max. Working Pressure [bar]34 bar
Max. Working Pressure [psig]500 psig
MOP Point [psig]MOP 35
MOP Point [°C]-20 °C
MOP Point [°F]-5 °F
Outlet connection typeFlare
Outlet size [in]1/2 in
Parts includedBulb strap
PED categoryArt. 4, par. 3
REACH Candidate List substancesLead (CAS no. 7439-92-1)
RefrigerantsR448A
Static Superheat (SS) [°C]4 °C
Static Superheat (SS) [°F]7.2 °F
Superheat settingAdjustable
Temperature range [°C] [max]-25 °C
Temperature range [°C] [min]-60 °C
Temperature range [°F] [max]-15 °F
Temperature range [°F] [min]-75 °F

Properties

MOQ1

Compatibility

Refrigerant compatibility per Danfoss datasheet. Verify against your system specification.

Standards

Approvals

Attached Documents