Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Parker A7-B AXV Thermostatic Expansion Valve, 3/8 x 3/8 ODF, R-134A, 2 Ton - Thermostatic Expansion Valves
ParkerThermostatic Expansion Valves

Parker A7-B AXV Thermostatic Expansion Valve, 3/8 x 3/8 ODF, R-134A, 2 Ton

The PARKER Thermostatic Expansion Valve: A (SKU 3G-OTH-73410) is a thermostatic expansion valve designed for use with R-134A refrigerant. It has a nominal capacity of 2 tons and features 3/8 inch female ODF…

SKU 3G-OTH-73410

Also listed as: A7BAXV38X38ODF · A7 B AXV 3 8 X 3 8 ODF · A7-B-AXV-3-8-X-3-8-ODF

Brand
Parker
Item
A7-B AXV Thermostatic Expansion Valve, 3/8 x 3/8 ODF, R-134A, 2 Ton
Category
Thermostatic Expansion Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Parker
Manufacturer Part Number
A7-B AXV 3/8 X 3/8 ODF
Type
2 ton Nominal Capacity - Gen, 2 ton to 1 ton
Female
3/8 in
For Refrigerant Type
R-134A

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Parker Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Thermostatic Expansion Valve: A (SKU 3G-OTH-73410) is a thermostatic expansion valve designed for use with R-134A refrigerant. It has a nominal capacity of 2 tons and features 3/8 inch female ODF connections. The manufacturer part number is A7-B AXV 3/8 X 3/8 ODF.

Frequently Asked Questions

What is the PARKER Thermostatic Expansion Valve A7-B AXV used for?

The PARKER Thermostatic Expansion Valve A7-B AXV is used in refrigeration and HVAC systems to regulate refrigerant flow into the evaporator. It is designed for R-134A refrigerant and has a nominal capacity of 2 tons, making it suitable for commercial cooling applications.

What are the specifications of the PARKER A7-B AXV thermostatic expansion valve?

The PARKER A7-B AXV thermostatic expansion valve has a nominal capacity of 2 tons and uses R-134A refrigerant. It features 3/8 inch female ODF connections. The manufacturer part number is A7-B AXV 3/8 X 3/8 ODF, and the SKU is 3G-OTH-73410.

Where to buy the PARKER A7-B AXV thermostatic expansion valve worldwide?

You can source the PARKER A7-B AXV thermostatic expansion valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to install the PARKER A7-B AXV thermostatic expansion valve?

Install the PARKER A7-B AXV valve by connecting the 3/8 inch female ODF ports to matching male lines. Ensure the valve is oriented correctly per the refrigerant flow direction. Use proper brazing techniques and avoid overheating. Always follow system manufacturer guidelines for R-134A systems.

Used in

Common applications for Parker
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

Parker Products

3G Electric supplies Parker thermostatic expansion valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Thermostatic expansion valve for R-134A refrigerant systems. Nominal capacity of 3 tons. Features 3/8 inch female ODF connections. Used to regulate refrigerant flow into evaporators based on superheat in commercial and industrial refrigeration and HVAC systems
Parker
Thermostatic expansion valve for R-134A refrigerant systems. Nominal capacity of 3 tons. Features 3/8 inch female ODF connections. Used to regulate refrigerant flow into evaporators based on superheat in commercial and industrial refrigeration and HVAC systems
Thermostatic expansion valve for R-404A refrigerant with 0.3 ton nominal capacity. Field-adjustable superheat setting. Used in refrigeration systems to regulate refrigerant flow and maintain proper superheat
Parker
Thermostatic expansion valve for R-404A refrigerant with 0.3 ton nominal capacity. Field-adjustable superheat setting. Used in refrigeration systems to regulate refrigerant flow and maintain proper superheat
Thermostatic expansion valve for R-404A refrigerant with 1 ton nominal capacity. Features field-adjustable superheat setting. Used in refrigeration systems to regulate refrigerant flow into the evaporator, commonly applied in commercial refrigeration and cold storage
Parker
Thermostatic expansion valve for R-404A refrigerant with 1 ton nominal capacity. Features field-adjustable superheat setting. Used in refrigeration systems to regulate refrigerant flow into the evaporator, commonly applied in commercial refrigeration and cold storage
Thermostatic expansion valve for R-404A refrigerant with a nominal capacity of 2 tons. Features field-adjustable superheat setting. Used in refrigeration systems to regulate refrigerant flow into the evaporator, commonly applied in commercial refrigeration and cold storage
Parker
Thermostatic expansion valve for R-404A refrigerant with a nominal capacity of 2 tons. Features field-adjustable superheat setting. Used in refrigeration systems to regulate refrigerant flow into the evaporator, commonly applied in commercial refrigeration and cold storage
Thermostatic expansion valve for R-404A refrigerant with 3.5 ton nominal capacity. Features field-adjustable superheat and ODF 60" connections. Used in refrigeration systems to regulate refrigerant flow into the evaporator
Parker
Thermostatic expansion valve for R-404A refrigerant with 3.5 ton nominal capacity. Features field-adjustable superheat and ODF 60" connections. Used in refrigeration systems to regulate refrigerant flow into the evaporator
Thermostatic expansion valve for R-134A refrigerant with a nominal capacity of 3 tons. Features field-adjustable superheat setting. Used to regulate refrigerant flow into evaporators in refrigeration and air conditioning systems
Parker
Thermostatic expansion valve for R-134A refrigerant with a nominal capacity of 3 tons. Features field-adjustable superheat setting. Used to regulate refrigerant flow into evaporators in refrigeration and air conditioning systems

More from Parker

View all Parker parts
Thermostatic expansion valve for R-404A refrigerant with 1 ton nominal capacity. Features a removable strainer and field-adjustable superheat. Suitable for controlling refrigerant flow into evaporators in commercial refrigeration systems such as walk-in coolers and freezers
Parker
Thermostatic expansion valve for R-404A refrigerant with 1 ton nominal capacity. Features a removable strainer and field-adjustable superheat. Suitable for controlling refrigerant flow into evaporators in commercial refrigeration systems such as walk-in coolers and freezers
Thermostatic expansion valve for R-404A refrigerant with 1 ton nominal capacity. Features field-adjustable superheat setting. Used in refrigeration systems to meter refrigerant flow into the evaporator for precise superheat control
Parker
Thermostatic expansion valve for R-404A refrigerant with 1 ton nominal capacity. Features field-adjustable superheat setting. Used in refrigeration systems to meter refrigerant flow into the evaporator for precise superheat control
Angle-configured thermostatic expansion valve for R-404A refrigerant systems. Nominal capacity of 2 tons with externally adjustable superheat. Used in commercial refrigeration and cold storage applications to regulate refrigerant flow into the evaporator
Parker
Angle-configured thermostatic expansion valve for R-404A refrigerant systems. Nominal capacity of 2 tons with externally adjustable superheat. Used in commercial refrigeration and cold storage applications to regulate refrigerant flow into the evaporator
Straight-thru thermostatic expansion valve for R-410A refrigerant systems. Rated at 8 tons capacity with field-adjustable superheat. Includes bulb strap. Suitable for commercial HVAC and refrigeration evaporator control
Parker
Straight-thru thermostatic expansion valve for R-410A refrigerant systems. Rated at 8 tons capacity with field-adjustable superheat. Includes bulb strap. Suitable for commercial HVAC and refrigeration evaporator control
Angle-configured thermostatic expansion valve for R-22 refrigerant systems. Features field-adjustable superheat and includes a sensing bulb mounting clamp. Equipped with a removable strainer for maintenance. Used to regulate refrigerant flow into evaporators in commercial and industrial HVAC and refrigeration applications
Parker
Angle-configured thermostatic expansion valve for R-22 refrigerant systems. Features field-adjustable superheat and includes a sensing bulb mounting clamp. Equipped with a removable strainer for maintenance. Used to regulate refrigerant flow into evaporators in commercial and industrial HVAC and refrigeration applications
Thermostatic expansion valve for R-404A refrigerant with 6 ton nominal capacity. Features field-adjustable superheat adjustment and ODF 60" connections. Used in refrigeration systems to meter liquid refrigerant into the evaporator for applications such as cold storage and process chilling
Parker
Thermostatic expansion valve for R-404A refrigerant with 6 ton nominal capacity. Features field-adjustable superheat adjustment and ODF 60" connections. Used in refrigeration systems to meter liquid refrigerant into the evaporator for applications such as cold storage and process chilling
Thermostatic expansion valve for R-410A refrigerant systems. Nominal capacity of 5 tons with field-adjustable superheat. Features a 5/8 in female connection and includes a bulb strap. Used to regulate refrigerant flow into the evaporator in HVAC and refrigeration applications
Parker
Thermostatic expansion valve for R-410A refrigerant systems. Nominal capacity of 5 tons with field-adjustable superheat. Features a 5/8 in female connection and includes a bulb strap. Used to regulate refrigerant flow into the evaporator in HVAC and refrigeration applications
Thermostatic expansion valve for R-22 refrigerant systems. Features a 0.5 ton capacity, 1/2 inch female connection, and field-adjustable superheat. Used to regulate refrigerant flow into evaporators in commercial refrigeration and HVAC applications
Parker
Thermostatic expansion valve for R-22 refrigerant systems. Features a 0.5 ton capacity, 1/2 inch female connection, and field-adjustable superheat. Used to regulate refrigerant flow into evaporators in commercial refrigeration and HVAC applications