Gans Lens Collet Bodies (15)
Gas Lens Collet Bodies for TIG Welding: Complete Guide
Gas lens collet bodies are an upgrade over standard collet bodies, designed to provide a more laminar (smooth, non-turbulent) shielding gas flow around the tungsten electrode. This improved gas coverage significantly reduces weld contamination, especially when welding reactive metals like titanium, stainless steel, and aluminum. WeldingStop offers gas lens collet bodies for all major TIG torch series.
Standard Collet Body vs. Gas Lens Collet Body
| Feature | Standard Collet Body | Gas Lens Collet Body |
|---|---|---|
| Gas Flow | Turbulent, less uniform coverage. | Laminar, highly uniform coverage. |
| Shielding Effectiveness | Standard; adequate for most applications. | Superior; essential for reactive metals and critical welds. |
| Tungsten Stick-Out | Limited to 1-2x cup diameter. | Allows extended stick-out (up to 3x cup diameter) without losing shielding. |
| Gas Consumption | Standard flow rate required. | Often allows lower flow rates due to efficiency. |
| Best For | General steel and stainless welding. | Titanium, aluminum, stainless, pipe welding, tight access areas. |
Gas Lens Collet Body Size Guide
| Tungsten Diameter | Gas Lens Collet Body Size | Compatible Torch Series |
|---|---|---|
| 1/16" (1.6mm) | #5 / 1.6mm | WP-17, WP-18, WP-26 / WP-9, WP-20 |
| 3/32" (2.4mm) | #6 / 2.4mm | WP-17, WP-18, WP-26 / WP-9, WP-20 |
| 1/8" (3.2mm) | #7 / 3.2mm | WP-17, WP-18, WP-26 / WP-9, WP-20 |
Frequently Asked Questions (FAQ)
Q: Do I need to use a special cup with a gas lens collet body?
A: Yes. Gas lens collet bodies require gas lens cups (also called large-diameter cups or Pyrex cups). Standard cups will not thread onto a gas lens collet body. The larger diameter of gas lens cups works in conjunction with the laminar gas flow to provide maximum shielding coverage.
Q: Is a gas lens worth it for welding mild steel?
A: For routine mild steel welding, a standard collet body is usually sufficient. However, if you are welding in a drafty environment, working in tight spaces, or need extended tungsten stick-out to reach into corners, a gas lens setup provides a noticeable improvement in arc stability and shielding quality.
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