K1622-4 - Lincoln Electric K1622-4 Water-Cooled Twist Mate Adapter for PTW-18/20

Reliable Connection for Water-Cooled TIG Applications

The Lincoln Electric K1622-4 Twist Mate TIG Torch Adapter is an essential component for professional welders utilizing water-cooled TIG setups. Designed with precision engineering, this adapter serves as the critical bridge between your high-performance PTW-18 or PTW-20 TIG torch and a Lincoln Electric power source equipped with a 35mm DINSE receptacle. In industrial environments where weld quality and equipment reliability are paramount, using genuine OEM adapters ensures that your shielding gas, cooling water, and welding current are delivered without interruption or leakage.

Engineered for Performance

This adapter is specifically constructed to handle the demands of water-cooled welding. Unlike standard air-cooled adapters, the K1622-4 must manage three distinct elements: the high-amperage electrical current, the flow of coolant to prevent torch overheating, and the shielding gas required to protect the weld pool. The unit features a robust brass body that offers superior electrical conductivity, minimizing voltage drop across the connection. The Twist Mate mechanism allows for a positive lock, ensuring that the power cable remains securely connected even during rigorous manipulation of the torch assembly.

Seamless Compatibility

Lincoln Electric has designed the K1622-4 to integrate perfectly with 3-piece cable assemblies found on the PTW-18 and PTW-20 series torches. The adapter streamlines the setup process by consolidating the connections at the machine end. The 35mm DINSE connector is a standard size for many medium-to-heavy-duty Lincoln inverters and power sources, providing a versatile solution for fabrication shops that utilize multiple machine models. By maintaining the integrity of the water and gas paths, this adapter helps prevent common issues such as porosity caused by gas leaks or equipment damage due to coolant flow restriction.

Industrial Durability

MRO professionals understand that welding accessories are subject to harsh conditions, including heat, spatter, and physical impact. The K1622-4 is built to withstand these challenges. Its durable insulation protects the operator from electrical hazards, while the high-quality fittings resist wear over repeated connection cycles. Whether you are upgrading existing equipment or replacing a worn component, the Lincoln K1622-4 ensures your water-cooled TIG operations maintain peak efficiency and safety standards.