Industrial 38RDF-2-TXU Thermal Expansion Valve

Industrial 38RDF-2-TXU Thermal Expansion Valve is an Alco Controls thermostatic expansion valve (TXV) used to regulate refrigerant flow into the evaporator of industrial refrigeration and HVAC systems. The valve carries identifying codes GT5083-1 and W9310 with AFA labeling, and is designated 38RDF-2-TXU within Alco’s TXV family, signaling its size and intended operating range. As a TXV, it responds to evaporator superheat by sensing temperature via a connected sensing bulb and adjusting the amount of liquid refrigerant entering the evaporator to maintain a specified superheat, which helps stabilize evaporator temperatures and optimize compressor workload. This family of valves is commonly deployed in DX refrigeration circuits and large commercial air-conditioning applications where precise refrigerant metering is required. Exact port configurations, inlet/outlet sizes, and compatibility depend on the specific installation and accompanying accessories; refer to the supplier’s documentation for model-specific specifications and approved refrigerants.