Description
The Copeland 071757 (X6346-34) is a thermostatic expansion valve (TXV) engineered for precise refrigerant metering in commercial and residential refrigeration and air conditioning systems. Designed for use with TCL and TCLE valve types, this unit features a straight-thru body flow configuration that promotes efficient refrigerant flow with minimal pressure drop through the valve body.
Connection & Flow Specifications
- Inlet Connection: 7/8″ ODF (Sweat/Brazed)
- Outlet Connection: 1-1/8″ ODF (Sweat/Brazed)
- Body Flow Style: Straight-Thru
- Valve Type: TCL / TCLE
Key Features
- Straight-thru body design minimizes turbulence and pressure drop for optimized system efficiency
- ODF sweat connections allow for clean, leak-resistant brazed field installation
- Compatible with TCL and TCLE valve configurations for broad system applicability
- Engineered to Copeland’s exacting quality standards for long-term reliability
- Suitable for use in commercial refrigeration and HVAC applications
Application
This thermostatic expansion valve is ideal for technicians and contractors installing or replacing TXV components in systems that require accurate superheat control. The sweat-type ODF fittings ensure a secure, permanent connection when brazed into the refrigerant circuit. The TCL/TCLE valve type designation makes this unit compatible with a range of Copeland-approved system configurations.
Product Details
- Brand: Copeland
- SKU: 071757
- Part Number: X6346-34
- Inlet Size: 7/8″ ODF Sweat
- Outlet Size: 1-1/8″ ODF Sweat
- Body Flow: Straight-Thru
- Valve Type: TCL / TCLE







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