Overview
The Praxair PRS45V45 is a small gas lens difusor designed for TIG welding torch setups. This collet body assembly accepts 1/8″ (3.2 mm) electrode diameter and is compatible with ProStar 20 and 25 Series torches. Supplied in a pack of 3 units, each gas lens difusor works to improve gas coverage around the weld puddle, reducing atmospheric contamination and enhancing arc stability.
Key Features
- Collet body gas lens assembly for 1/8″ electrode diameter
- Nozzle size #8 (1/2 in) for optimal gas flow
- Designed for ProStar 20 and 25 Series TIG torches
- Uniform gas flow pattern reduces turbulence and weld defects
- Pack of 3 units—economical replacement supply
- Compatible with standard TIG welding setups from multiple torch manufacturers
Technical Specifications
- Part Number: PRS45V45
- Electrode Diameter: 1/8″ (3.2 mm)
- Nozzle Size: #8 (1/2 in)
- Series Compatibility: ProStar 20 & 25
- Product Type: Gas Lens Collet Body Assembly
- Quantity per Pack: 3 units
- Manufacturer: Praxair (ProStar brand)
Typical Applications
- TIG welding of stainless steel and mild steel
- Precision welding in manufacturing and fabrication
- Pipe and tubing welding applications
- Maintenance and repair welding operations
- Industrial and aerospace welding programs
Compatibility & Replacements
Compatible With
- ProStar 20 Series TIG torches
- ProStar 25 Series TIG torches
- Standard WP-20 and WP-25 torch bodies
- TIG torch gas lens collet body systems
Replaces / Drop-In Replacement For
- Praxair PRS45V45 OEM gas lens assemblies
- Original equipment 1/8″ electrode gas lens difusors for Praxair torches
- Field replacements for worn or damaged ProStar collet body gas lens units
Works With
- AC and DC TIG welding power sources
- Shielding gases: Argon, helium, and Argon/Helium blends
- Manual and pedal-controlled TIG torch systems
- Standard collet body torch configurations
