HVAC Refrigeration Valve ATX-12500DUS External Equalizer

Name: HVAC Refrigeration Valve ATX-12500DUS External Equalizer
SKU: ATX-12500DUS
Availability: InStock

Original price was: $230.00.Current price is: $211.00.

ATX-12500DUS is an HVAC refrigeration thermostatic expansion valve with adjustable superheat and ODF solder ports. It controls R22 refrigerant flow for cold storage and industrial chiller systems.

Availability: In stock

SKU: ATX-12500DUS Categories: Other Refrideration Accessories, Refrigeration Spare Parts Tags: 57 Ton HVAC Expansion Valve, ATX-12500DUS, External Equalizer Valve, R404A Refrigerant Valve, Refrigeration Spare Parts, Thermostatic Expansion Valve

Overview

The ATX-12500DUS thermostatic expansion valve is a core flow control component widely applied in HVAC and commercial refrigeration systems, specially calibrated for R404A refrigerant with 57 tons rated cooling capacity. Adopting external equalizer structure and S-type charging power element, it accurately adjusts refrigerant flow according to evaporator temperature fluctuation, stabilizes superheat value, optimizes system heat exchange efficiency, and effectively prevents liquid hammer damage to compressors. The brass valve body features high pressure resistance, stable performance under low-temperature operating conditions, and easy installation and maintenance for various medium & large refrigeration equipment.

Key Features

Matches R404A refrigerant, 57 ton nominal cooling capacity
External equalizer design, S-type charging power element
High-strength brass valve body, corrosion & pressure resistant
Stable superheat control, avoids compressor liquid slugging
Wide applicable low-temperature working range
Complete connecting ports, convenient on-site installation
Standard production, interchangeable replacement parts

ATX-12500DUS technical specifications table

Item	Specification
Model	ATX-12500DUS
Product Type	Thermostatic Expansion Valve
Refrigerant	R22
Nominal Capacity	12.5 RT
Connection	ODF Solder Inlet 22.2mm / Outlet 28.6mm
Superheat Adjustment	Adjustable
Max Working Pressure	3.4 MPa
Ambient Temperature	-30℃ ~ +60℃
Medium Temperature	-40℃ ~ +120℃
Body Material	Copper
Application	Cold storage, industrial chiller, commercial refrigeration
Certifications	CE, UL

Same Series Display Models

ATX-34035DUS

ATX-57080DUS

ATX-71140DUS

ATX-12500DUS

ATX-12500DHG

ATX-12500DHS

ATX-12500DHC

ATX-12500DMSL

Matching Series Controllers

SEV-603BXF

SEV-1004DX

AEX-1234

WEV-2006

NRV-1008

Supporting System Accessories

X033

3619912

ATX-Diaphragm-57T

S-Charge-5℃

Application Scope

Model ATX-12500DUS thermostatic expansion valve is widely used in commercial refrigeration, cold storage rooms, industrial water chillers and large HVAC refrigeration equipment. It can stabilize evaporator superheat, optimize refrigerant distribution, improve cooling efficiency and prevent liquid refrigerant from returning to the compressor. It is an ideal replacement spare part for maintenance and system upgrade of refrigeration units.

FAQ

Q: What refrigerant is compatible with ATX-12500DUS?

A: ATX-12500DUS is designed for R22 refrigerant.

Q: What is the capacity of ATX-12500DUS thermostatic expansion valve?

A: Its nominal capacity is 12.5 RT, suitable for cold storage and industrial chiller.

Q: Can I adjust superheat on ATX-12500DUS?

A: Yes, the ATX-12500DUS supports adjustable superheat for system tuning.

Packaging & Shipping

Neutral safe packaging, shockproof and drop-proof protection
Global shipping via DHL, UPS, FedEx and sea freight options
In stock support for fast delivery
Wholesale, retail and mixed order are acceptable

Our Service

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

For technical parameters, dimension drawing, cross reference model or bulk discount, please feel free to contact us. Cick Contact us.To consult HVAC standard pls click HVAC standard.