1. Emerson TX7 Series
Thermostatic Expansion Valve

2. Ideal for large tonnage commercial applications up to 50 tons R-410A
TX7 at a Glance
Designed for air conditioning, heat pumps, close control and industrial process cooling applications
For use in systems with:
Digital Scroll
Stepless Screw
Variable Speed Scroll
20 to 25% partial load
Compatible with HFC, HFO blends and R-32
Not suitable for oil free systems
True Bi-flow capability
Balanced port design
Hermetic design with ODF copper connections
Maximum working pressure (MWP): 667 psig
Ideal for large tonnage commercial applications up to 50 tons R-410A

3. TX7 Expands Product Line For R-410A
½ ¾
NXT Series
TX7
Capacity (Tons), R-410A
Light Commercial Commercial
Residential
Small AC/HP
Water Source HP
The TX7 provides a seamless transition from the NXT, allowing for a full offering for ½ to 50 ton applications with only two valve models

4. TX7 Benefits Reliable Performance
Enhanced power element design offers extended valve life
Laser welded stainless steel power element prevents corrosion and enables low partial load performance maintaining stable superheat
Laser etched identification markings provides permanent legibility
Hermetic, leak-free construction
Easy Installation
Extended sensing bulb capillary tube length
Universal 1/4" ODF external equalizer
Large extended ODF copper connections
Bi-Flow Optimization
Optimum superheat control and flow capacity in both heating and cooling modes

5. TX7 Surpasses the Competition
Endurance/Reliability Test
Emerson TX7
Brand A
2.56 in.
Diaphragm Diameter
2.36 in.
34 to 136 N
Force on Diaphragm
29 to 116 N
145 to 595 psig
Cycling Pressure Range
60 K to 100 K
# of Cycles Until Failure
16 K to 43 K
TX7 Provides Best-In-Class Valve Life

6. TX7 Competitive Cross Reference