Praxair ProStar 45V44 3/32″ Gas Lens PRS45V44 (Bag of 5)

Overview

The Praxair ProStar PRS45V44 is a small gas lens designed for TIG welding torches that accept 3/32″ (2.4 mm) electrode diameter. Sold in packs of 5 units, this consumable is an OEM-quality component that delivers reliable performance for professional welding operations. Gas lenses are critical consumables that improve gas flow patterns, reduce turbulence, and protect the weld from atmospheric contamination—directly impacting weld quality and arc stability.

Key Features

• 3/32″ (2.4 mm) electrode diameter size for precision TIG welding
• OEM quality compatible with all major torch brands
• Pack of 5 gas lenses ensures adequate inventory for continuous operations
• Marked with electrode diameter for easy identification
• Improves gas flow uniformity and reduces arc turbulence

Technical Specifications

Typical Applications

• TIG (GTAW) welding of stainless steel, aluminum, and thin-wall materials
• Precision welding in aerospace, medical device, and automotive manufacturing
• Job shop and contract welding operations requiring consistent arc quality
• Maintenance and repair welding where arc stability is critical
• Applications requiring enhanced gas coverage and reduced porosity

Compatibility & Replacements

Compatible With

• ProStar 9 Series TIG torches
• ProStar 20 Series TIG torches
• ProStar 25 Series TIG torches
• All TIG torches requiring 3/32″ electrode diameter gas lenses
• OEM compatible with all major welding torch brands

Replaces / Drop-In Replacement For

• Original Praxair ProStar 45V44 gas lens units
• OEM equivalent small gas lens assemblies for 3/32″ electrodes

Works With

• TIG welding power sources (all voltage types)
• Argon and argon-helium shielding gas mixtures
• AC and DC TIG welding operations