Description
Overview
The Copeland 057456 is a precision-engineered, externally equalized Thermal Expansion Valve (TXV) designed for low-temperature refrigeration applications. Carrying the part number HFESC 1 RZ 5FT 3/8×1/2 ODF ANG, this valve delivers reliable refrigerant metering and superheat control in demanding commercial and industrial refrigeration systems.
Refrigerant Compatibility
This TXV is rated for use with multiple modern and legacy refrigerants, offering broad system compatibility:
- R507
- R502
- R404A
- R448A
- R449A
Key Specifications
- SKU: 057456
- Part Number: HFESC 1 RZ 5FT 3/8×1/2 ODF ANG
- Capacity: 1 Ton
- Application: Low Temperature
- Charge Type: Low Temperature Charge
- Equalization: Externally Equalized
- Inlet Connection: 3/8″ ODF Sweat
- Outlet Connection: 1/2″ ODF Sweat
- Capillary Tube Length: 5 Feet
- Body Orientation: Angle
Features & Benefits
- External equalization port ensures accurate superheat control in systems with significant evaporator pressure drop
- Low-temperature charge optimized for sub-freezing evaporator applications such as walk-in freezers and refrigerated display cases
- 5-foot capillary tube provides flexible bulb placement for precise sensing
- 3/8″ x 1/2″ sweat (ODF) connections for clean, leak-free brazed installation
- Angle body configuration for versatile mounting in tight equipment spaces
- Compatible with next-generation low-GWP refrigerants R448A and R449A, supporting system retrofits and new installations
- Manufactured by Copeland, a trusted name in refrigeration components
Typical Applications
- Walk-in freezers and coolers
- Refrigerated display cases
- Low-temperature commercial refrigeration systems
- R404A to R448A/R449A retrofit applications
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