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The RADNOR 64005903 (Industry Reference: 40V77-18) is an 18-inch vinyl Gas Hose Extension designed for Gas Tungsten Arc Welding (GTAW / TIG) applications. It serves as a connection between TIG torch power cable adapters and the gas solenoids or flowmeters of welding power sources.
Features
Zero-Permeation Vinyl Barrier: Isolates shielding gases to prevent Oxygen and Nitrogen penetration
18-Inch Geometry: Reduces hose clutter at the rear bulkhead of power sources or inside wire feeders
Kink and Torsion Resistance: Maintains volumetric gas flow rate during tight routing
Chemical Inertness: Resists shop oils, synthetic liquid coolants, anti-spatter sprays, and ozone
Direct OEM Interchangeability: Matches dimensions for Weldcraft, Miller, Lincoln Electric, CK Worldwide, and ESAB systems
Mechanical Compression Sealing: Flare interface eliminates the need for thread sealants or Teflon tape
Color-Coded Identification: Black finish identifies gas lines in water-cooled setups
Specifications
Manufacturer: RADNOR
Brand / Cross-Reference: Radnor (64005903), RADNOR (40V77-18), ORMADUS® Series
Industry Standard Fitting Reference: 40V77-18
Physical Length: 18 inches (1.5 feet / 457.2 mm)
Net Weight: 0.38 lbs (0.172 kg)
Gross Packaged Weight: 0.45 lbs
Maximum Operating Pressure: 290 PSI (20 bar / 2.0 MPa)
Gas Compatibility: 100% Pure Argon, Argon/CO2 Blends, Helium, Argon/Helium mixtures
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