The thermostatic expansion valve (TXV) is also known in the field simply as the expansion valve. It regulates the flow of refrigerant into the evaporator so as to keep the superheat at the evaporator outlet constant: the sensing bulb reads the temperature of the evaporator outlet pipe, and the valve opens and closes accordingly.
This category contains Danfoss TE, TN, TS and TEZ, Sanhua RFKA, RFKH and RFG, Honeywell and Sporlan thermostatic expansion valves, as well as the top and bottom bodies of the Danfoss modular system. Orifices are in a separate category.
How to Choose the Right Valve
- Refrigerant: The valve is set for a specific refrigerant (R134a, R404A, R407C, R410A, R22…); it is not used for another refrigerant.
- Internally / externally equalised: If the pressure drop across the evaporator is high or a distributor is used, an externally equalised valve is chosen.
- Connection: Flare or solder (ODF solder connection).
- Capacity and MOP: The valve/orifice size is selected according to the system capacity; in low-temperature applications a valve with MOP is preferred.
Brand: Honeywell
Model: 42.03.015
The Honeywell TBEX-E0522 R134 thermostatic expansion valve offers high efficiency and reliability in refrigeration systems. Made in Germany, this valve features a body with interchangeable orifice and internal equalization. Product Features Country of Manufacture: Germany Brand: Honeywell Valve / O..
$105.14
Ex Tax:$87.62
Brand: Honeywell
Model: 42.02.067
Country of Manufacture: Germany
Brand: Honeywell
Valve / Orifice Type: Thermostatic Valve
Series: TMVL
Connection Type: Solder
Refrigerant: R404A
Evaporating Operating Range: +10/-40 °C
Equalization Type: External Equalizer
Design: TMV/TMVL Type Interchangeable Orifice Body (0.3 ~ 4.7)
Conn..
$70.72
Ex Tax:$58.94
Brand: Honeywell
Model: 42.02.013
The Honeywell TMX-00008 R22 MOP+10 upper body offers high efficiency and reliability in refrigeration systems. Manufactured in Germany, this valve has an interchangeable orifice body and external equalization. Product Features Country of Manufacture: Germany Brand: Honeywell Valve / Orifice Type: T..
$142.12
Ex Tax:$118.43
Brand: Honeywell
Model: 42.02.015
The Honeywell TMX-00011 R22 MOP -18 upper body offers high efficiency and reliability in refrigeration systems. Manufactured in Germany, this valve has an interchangeable orifice body and external equalization. Product Features Product Type: Expansion Valve Country of Manufacture: Germany Brand: Ho..
$100.93
Ex Tax:$84.11
Brand: Honeywell
Model: 42.02.042
Country of Manufacture: Germany
Brand: Honeywell
Valve / Orifice Type: Thermostatic Valve
Series: TMX
Connection Type: Determined by the Connection Flange
Refrigerant: R404A
Evaporating Operating Range: +10/-50 °C
Equalization Type: External Equalizer
Design: TMX Type Interchangeable Orifice..
$138.54
Ex Tax:$115.45
Brand: Honeywell
Model: 42.02.030
Country of Manufacture: Germany
Brand: Honeywell
Valve / Orifice Type: Thermostatic Valve
Series: TMX
Connection Type: Determined by the Connection Flange
Refrigerant: R404A
Evaporating Operating Range: -18/-50 °C
Equalization Type: External Equalizer
Design: TMX Type Interchangeable Orifice..
$147.04
Ex Tax:$122.53
Brand: Honeywell
Model: 42.02.011
Country of Manufacture: Germany
Brand: Honeywell
Valve / Orifice Type: Thermostatic Valve
Series: TMX
Connection Type: Determined by the Connection Flange
Refrigerant: R22
Evaporating Operating Range: +10/-45oC
Equalization Type: External Equalizer
Design: TMX Type Interchangeable Orifice Bo..
$100.93
Ex Tax:$84.11
Brand: Honeywell
Model: 42.02.055
Designed for precise control of liquid refrigerant flow in refrigeration and air conditioning systems, the Honeywell TMXLS-00001 12-16*16-22 Angle Solder expansion valve body delivers stable performance in evaporator feed with its durable cast brass construction and angle solder connections. With th..
$46.37
Ex Tax:$38.64
Brand: Honeywell
Model: 42.02.017
For precise refrigerant distribution in industrial and commercial refrigeration systems, the Honeywell TMXLS-00002 Straight Solder Expansion Valve Body serves as the durable carrier of TMX series thermostatic expansion valves with its cast brass body and flanged connection design. With 1/2-5/8 inlet..
$34.17
Ex Tax:$28.47
-250x250.jpg "Resideo (Honeywell) TMV-00012 Thermostatic Expansion Valve – R404A/R502, Internal Equalizer, ±0…−50 °C")
Brand: Honeywell
Model: 42.05.020
Resideo (Honeywell) TMV-00012 is an internally equalized thermostatic expansion valve operating with R404A / R507A / R402A / R407B / R502 refrigerants. It is specified for an evaporating range of ±0 … −50 °C — commercial refrigeration and low temperature applications.
Body with Interchangeable Orifi..
$70.14
Ex Tax:$58.45
-250x250w.jpg "Resideo (Honeywell) TMX-00027 Thermostatic Power Element – R134a, MOP +15 °C | For TMX Series TXV")
Brand: Honeywell
Model: 42.05.016
Resideo (Honeywell) TMX-00027 is the upper body of the TMX series thermostatic expansion valves with interchangeable orifice (thermostatic power element). While the valve body stays brazed in the line, the charge type is determined by this upper body; in the event of a fault or a change of applicati..
$148.05
Ex Tax:$123.37
-250x250w.jpg "Resideo (Honeywell) TMX-00039 Thermostatic Power Element – R404A, MOP −10 °C | For TMX Series TXV")
Brand: Honeywell
Model: 42.02.032
Resideo (Honeywell) TMX-00039 is the upper body of the TMX series thermostatic expansion valves with interchangeable orifice (thermostatic power element). While the valve body stays brazed in the line, the charge type is determined by this upper body; in the event of a fault or a change of applicati..
$150.17
Ex Tax:$125.14
-250x250w.jpg "Resideo (Honeywell) TMX-00039 Thermostatic Power Element – R404A, MOP −10 °C, Balanced Port, PS 34 bar")
Brand: Honeywell
Model: 42.05.017
Resideo (Honeywell) TMX-00039 is the upper body (thermal head / power element) of TMX series thermostatic expansion valves. It is gas-charged for R404A with MOP −10 °C pressure limiting.
Change the Charge Type Without Removing the Body — Power Element Sold Separately
The TMX series is modular: the v..
$174.66
Ex Tax:$145.55
-250x250w.jpg "Resideo (Honeywell) TMX-00047 Thermostatic Power Element – R-227 Liquid Charge, +40/−10 °C | For TMX Series TXV")
Brand: Honeywell
Model: 42.05.008
Resideo (Honeywell) TMX-00047 is the upper body of the TMX series thermostatic expansion valves with interchangeable orifice (thermostatic power element). While the valve body stays brazed in the line, the charge type is determined by this upper body; in the event of a fault or a change of applicati..
$173.61
Ex Tax:$144.68
Brand: Sanhua
Model: 41.03.002
Sanhua RFK - 24014 Expansion Valve R404A (Externally Equalized - Flare - inch) is a thermostatic expansion valve designed to precisely regulate the refrigerant flow entering the evaporator in refrigeration systems. With its brass body, sensing element with capillary tube and external equalizer conne..
$37.21
Ex Tax:$31.01
Brand: Sanhua
Model: 41.04.001
For precise and balanced control of liquid refrigerant in refrigeration systems, the Sanhua RFK - 24019 Thermostatic Expansion Valve provides efficient and stable expansion in systems running on R134a. With its internally equalized (internal equalizer) design and flare connections, it is used reliab..
$33.25
Ex Tax:$27.70
Brand: Sanhua
Model: 41.01.001
Country of Manufacture: China
Brand: Sanhua
Valve / Orifice Type: Thermostatic Valve
Series: RFKA
Connection Type: Flare
Refrigerant: R22
Evaporating Operating Range: +50/-40oC
Equalization Type: Internal Equalizer
Design: RFKA Type Body with Interchangeable Orifice (0X ~ 6)
Connection Size..
$33.25
Ex Tax:$27.70
Brand: Sanhua
Model: 41.02.005
To precisely meter the refrigerant flowing to the evaporator in refrigeration and air conditioning systems, the Sanhua RFKA02-5.2-32 Thermostatic Expansion Valve provides stable superheat control with its R407C-compatible construction and externally equalized design.Stable Superheat Control in R407C..
$37.21
Ex Tax:$31.01