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The RADNOR 11N18 (RAD64005739) is a brass extension coupler specifically engineered for water-cooled TIG torches. It utilizes 5/8"-18 left-hand threads to join coolant supply hoses, enabling the extension of torch lines for high-amperage industrial welding applications.
Features
100% Duty Cycle
Hex-shaped body for wrench application
Metal-to-metal leak-free seal
Corrosion-resistant brass construction
Compatible with major industrial water-cooled TIG torch series
Specifications
Manufacturer Part Number: 11N18
Airgas Part Number: RAD64005739
Material: CDA 360 Brass
Thread Size: 5/8"-18
Thread Direction: Left-Hand (LH)
Duty Cycle: 100%
Amperage Rating: 500A+
Fitting Shape: Hex
Seal Type: Metal-to-metal
Applications
Water-cooled TIG torch hose extension
DC Straight Polarity welding
Coolant supply line joining
Industrial TIG welding systems
Product Attributes
Accessory Type
» Coupler
Torch Amperage
» 180 A
» 200 A
» 220 A
» 230 A
» 250 A
» 300 A
» 310 A
» 320 A
» 350 A
» 375 A
» 410 A
» 425 A
» 500 A
