25.1T Refrigeration Expansion Valve ATX-12220DUS HVAC Part

         ATX-12220DUS thermostatic expansion valve is an essential refrigerant flow control component widely applied in HVAC and industrial commercial refrigeration circulation systems. This valve matches R404A refrigerant with a rated cooling capacity of 25.1 tons, equipped with S-type charging power head and 1×1 standard pipeline connection. The integrated brass valve body and long coiled capillary sensing bulb can automatically adjust refrigerant flow according to evaporator temperature, stably maintain system superheat value, effectively avoid liquid floodback damage to compressors, improve heat exchange efficiency and lower equipment failure rates. It features fast temperature sensing and stable running performance under variable load conditions, serving as a universal replacement spare part for various medium and low temperature refrigeration loops.

• Compatible with R404A refrigerant, rated cooling capacity up to 25.1 tons
• S-type charging power head with ultra-fast temperature induction response
• One-piece solid brass valve body, high pressure resistance and rust-proof
• Standard 1×1 pipeline connector, simple and quick on-site installation
• Automatic refrigerant flow adjustment to prevent compressor liquid floodback
• Stable performance under fluctuating load for medium-low temperature refrigeration systems
• Complete supporting long coiled capillary sensing bulb assembly

Item	Parameter
Model	ATX-12220DUS
Refrigerant	R404A
Rated Capacity	25.1 Tons
Charging Type	S
Connection Size	1×1
Mfg. NO.	7012
Max Working Pressure	28 M.P. TONS
Applicable Temp.	5 ℃
Valve Body Material	Brass
Country of Origin	Japan
HS code	841861
Product Length	270 mm
Product Width	150 mm
Product Height	120 mm
Product Weight	Approx. 0.75 kg
Shipping Length	310 mm
Shipping Width	190 mm
Shipping Height	140 mm

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Application Scope

   

  The ATX-12220DUS expansion valve is suitable for large cold storage freezing units, industrial low-temperature chillers, supermarket multi-door refrigerated display cabinets, food processing refrigeration equipment, logistics refrigerated warehouse units and other industrial and commercial cooling facilities, and can be installed as the core flow adjustment component for matched HVAC refrigeration systems filled with R404A refrigerant.

     We provide full series of refrigeration and HVAC spare parts, including control display panels, temperature controllers, sensors, power modules and industrial electrical accessories.

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