Description
Copeland HFES 1 SZ 5FT Thermal Expansion Valve Overview
The Copeland 064289 (Model HFES 1 SZ 5FT 3/8 x 1/2 ODF S/T) is a precision-engineered, externally equalized thermal expansion valve (TXV) designed for low-temperature refrigeration applications. With a 1-ton capacity rating and compatibility with R404A, R507, and R502 refrigerants, this valve delivers reliable, accurate refrigerant metering in demanding commercial refrigeration systems.
Key Features
- 1-ton capacity rating — ideal for low-temperature commercial refrigeration
- Low-temperature charge for accurate superheat control in sub-zero applications
- Externally equalized design compensates for evaporator pressure drop, ensuring precise superheat regulation
- Straight body configuration for straightforward installation in tight spaces
- 3/8″ inlet x 1/2″ outlet ODF sweat connections for leak-free copper tubing integration
- 5-foot capillary tube provides flexible bulb placement and remote sensing capability
- Compatible with R404A, R507, and R502 refrigerants — versatile across multiple system types
Specifications
- SKU: 064289
- Model: HFES 1 SZ 5FT 3/8 x 1/2 ODF S/T
- Brand: Copeland
- Capacity: 1 Ton
- Temperature Range: Low Temperature Charge
- Refrigerant Compatibility: R404A / R507 / R502
- Body Style: Straight Body
- Equalization: Externally Equalized
- Inlet Connection: 3/8″ ODF Sweat
- Outlet Connection: 1/2″ ODF Sweat
- Capillary Tube Length: 5 Feet
Application
This TXV is purpose-built for low-temperature evaporator circuits in walk-in freezers, display cases, and other commercial refrigeration systems where precise superheat control is critical. The external equalizer port ensures accurate valve operation even when evaporator pressure drop is significant, protecting the compressor from liquid slugging and maximizing system efficiency.
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