Brochure
Emerson Climate Technologies
30
Thermal Expansion Valves
Features
• Suitable for Bi-Flow applications
• External superheat adjustment
• Integral body with straight-thru connections
• Balanced port design improves valve operation and stability
over wide loads and evaporator temperature range
• Solid copper connections
• Large diaphragm provides superior stability
TRAE Series
Specifications
• Maximum Working Pressure: 450 psig
• UR/CUR le number: SA5312
The TRAE series is a large capacity valve for chiller, heat pump,
refrigeration, and air conditioning applications.
Remote Bulb Table
Remote Bulb
Tubing Length
Bulb Length
5, 10, 15 ft.
4-7/8
20, 30 ft.
40, 50 ft. 6-3/16
TRAE Series – Nominal* Capacity Table in Tons (kW)
R-134a R-22/R-407C R-507/R-404A
40 (142) 50 (177) 35 (124)
45 (159) 60 (212) 40 (142)
50 (177) 70 (248) 50 (177)
All capacities shown are at 100°F condensing, 40°F evaporator temperature.
*See Extended Capacity Tables for ratings at a wide range of conditions per ARI standard 750.
Nomenclature example: TRAE 50 HC 10 FT 7/8 x 1
1
/8 ODF S/T
TRA E 50 H C 10 FT 7/8 x 1⅛ ODF S/T
Valve Series
Hermetic
Balanced
Port Design
Equalizer
E=External
1/4”SAE
Capacity
Nominal Rating
in Tons
(See nominal
capacity table
below)
Refrigerant
Code
+F = R-12
• H = R-22
+M = R-134a
• N = R-407C
*P = R-507
*R = R-502
*S = R-404A
Charge Code
C = medium temp
CA = heat pump
W(MOP) = press.
limiting
Z = low temp
Capillary Tube
Length
10 FT (std)
Inlet x Outlet
Connection
Sizes
1/4 x 3/8
3/8 x 1/2
Connection
Type
ODF = solder
(Only)
Conguration
S/T = straight-thru
(Only)
+ = R-134a are interchangeable refrigerant charges
* = R-507 and R-404A are interchangeable refrigerant charges
• = R-22 and R-407C are interchangeable refrigerant charges
Dimensional Data (in)
Remote Bulb Tubing Length 10’ Standard
Connection Size
A B C MIN D MIN E F
Inlet Outlet
7/8 ODF 7/8 ODF 0.88 0.88 0.75 0.75 2.09 2.09
7/8 ODF 1-1/8 ODF 0.88 1.13 0.75 0.91 2.90 2.21
7/8 ODF 1-3/8 ODF 0.88 1.38 0.75 0.97 2.90 2.39
1-1/8 ODF 1-1/8 ODF 1.13 1.13 0.91 0.91 2.21 2.21
1-1/8 ODF 1-3/8 ODF 1.13 1.38 0.91 0.97 2.21 2.39
1-3/8 ODF 1-3/8 ODF 1.38 1.38 0.91 0.97 2.39 2.39