Parker Thermostatic Expansion Valve: A, Angle, 2 ton Nominal Capacity - Gen, Externally Adj
The PARKER Thermostatic Expansion Valve: A (SKU 4X859, MPN A-2) is an angle-configured thermostatic expansion valve designed for use with R-404A refrigerant. It features externally adjustable superheat and has a…
SKU 3G-OTH-73451
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Product Description
The PARKER Thermostatic Expansion Valve: A (SKU 4X859, MPN A-2) is an angle-configured thermostatic expansion valve designed for use with R-404A refrigerant. It features externally adjustable superheat and has a nominal capacity of 2 tons.
Frequently Asked Questions
What is the PARKER A-2 thermostatic expansion valve used for?
The PARKER A-2 thermostatic expansion valve is used in refrigeration systems to precisely control refrigerant flow into the evaporator. It is designed for R-404A refrigerant and is commonly applied in commercial refrigeration, cold storage, and industrial process cooling where accurate superheat control is required.
What are the specifications of the PARKER A-2 thermostatic expansion valve?
The PARKER A-2 is an angle-configured thermostatic expansion valve with a nominal capacity of 2 tons. It is designed for R-404A refrigerant and features externally adjustable superheat. The manufacturer part number is A-2. This valve provides reliable metering for medium-temperature refrigeration applications.
Where to buy the PARKER A-2 thermostatic expansion valve worldwide?
3G Electric supplies the PARKER A-2 thermostatic expansion valve to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this genuine Parker component.
How to install the PARKER A-2 thermostatic expansion valve?
Install the PARKER A-2 valve in the liquid line before the evaporator, with the bulb securely attached to the suction line. Ensure the valve body is oriented correctly for angle configuration. Adjust superheat externally per system requirements. Always follow standard refrigeration practices and use proper tools.
Used in
Common applications for ParkerParker 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.














