The DUTUX R410A R134A Shut Valve is a high-quality manual shut-off valve used for refrigerant charging, servicing, and flow control in HVAC and refrigeration systems. Made from premium brass/copper alloy, it offers excellent durability, corrosion resistance, and reliable performance. It features a quarter-turn ball valve mechanism for easy and precise control of refrigerant flow during installation and maintenance. Its compact design allows convenient connection to refrigerant hoses and service ports. Compatible with R410A, R134A, R22, R12, and other refrigerants, it is designed to meet SAE, EPA, and UL standards, ensuring safe, leak-proof, and dependable operation.