Weld Support Parts Blog

Tag: gas lens

  • TIG Gas Lens Compatibility Guide: 45V26 Gas Lens for WP-17, WP-18, and WP-26 Torches

    Why this matters

    If your TIG arc is wandering, the tungsten is overheating, or shielding gas coverage is inconsistent, the gas lens setup may be the problem. A correct gas lens collet body helps smooth gas flow and improves shielding around the tungsten.

    If you are setting up a WP-17, WP-18, or WP-26 style torch, the 45V26 family is a common front-end consumable to verify first. This guide is about fitment, not guesswork. Check the torch body, tungsten size, and cup setup before ordering.

    When to replace or upgrade the front end

    • Arc starts feel unstable
    • Gas coverage looks uneven
    • Tungsten contamination happens often
    • The collet body is worn, pitted, or damaged
    • You need a setup matched to a standard TIG torch body

    Compatibility table

    Part typePart numberCompatible modelsVerifiedNotesUse cases
    Gas lens collet body45V26WP-17, WP-18, WP-26Verified on Amazon listing3/32″ size listed; confirm tungsten diameter before orderingGeneral TIG front-end setup
    Gas lens body45V2617/18/26-style TIG torchesVerified on Amazon listingCheck cup and collet compatibility before installMild steel, stainless, aluminum TIG work

    Copy table

    AAWP box: 

    STARTECHWELD 45V26 TIG Gas Lens 3/32” Gas Lens collet body Fit TIG WP17, WP18, WP26 (5 Pack) 45V26
    STARTECHWELD 45V26 TIG Gas Lens 3/32” Gas Lens collet body Fit TIG WP17, WP18, WP26 (5 Pack) 45V26
    • TIG Gas Lens 45V26 Tig Torch Gas Lens 3/32”
    • Work With: TIG 17, 18, 26 Series Torches
    • 3/32″ Tungsten Electrodes Standard 10N Series Collet
    • 54N Series Gas Lens Ceramic Cups Setup
    • Pack of 5
    Buy on Amazon

    Last update on 2026-04-26 / Affiliate links / Images from Amazon Product Advertising API

    What to verify before you buy

    • Torch model: WP-17, WP-18, or WP-26
    • Tungsten diameter: match the 3/32″ size if that is your setup
    • Cup size: confirm your cup and back cap arrangement
    • Collet body thread and front-end style: match the torch family, not just the size

    Recommended use case

    Choose this setup if you want a standard TIG consumable path for a common 17/18/26-series torch and you need a verified 45V26 replacement path.

    Safety note

    Disconnect power before changing TIG consumables. Verify torch and consumable fitment against the manufacturer documentation before use. For procedure-controlled welding, follow the applicable welding code and work instructions.

  • ARCCAPTAIN TIG Torch Consumables Kit: Complete 11-Piece Setup for WP-17/18/26 Torches

    TIG welding demands precision, and that starts with reliable consumables. A worn collet, damaged cup, or mismatched gas lens can derail your arc quality and waste time troubleshooting. The ARCCAPTAIN 11-piece TIG torch consumables kit bundles the essential parts you need to keep your torch running clean and consistent.

    What’s Included in This Kit

    The ARCCAPTAIN kit covers the core consumables for WP-17, WP-18, and WP-26 torches:

    • 1x Alumina Nozzle — Ceramic cup for shielding gas flow
    • 2x Collets — Electrode holders (standard sizes for 1/16″ and 3/32″ tungsten)
    • 2x Back Caps — Torch body connectors
    • 2x Gas Lenses — Improved gas coverage and shielding
    • 2x Ceramic Cups — Replacement nozzles for wear
    • 2x Insulating Bushings — Electrical isolation components

    This multi-pack approach means you have spares on hand, reducing downtime when a part fails mid-job.

    Who Should Buy This Kit

    This kit is ideal for:

    • Hobby and shop welders stepping up from single-piece replacements to a complete consumables set
    • TIG welders running WP-17/18/26 torches who want to avoid emergency supply runs
    • Fabricators and instructors who need backup parts for multiple torches or training setups
    • Budget-conscious shops looking for a multipack at a reasonable price point
    ARCCAPTAIN 11Pcs TIG Welding Torch Consumables Kit Collets Alumina Ceramic Cups for WP-17/18/26
    ARCCAPTAIN 11Pcs TIG Welding Torch Consumables Kit Collets Alumina Ceramic Cups for WP-17/18/26
    • Complete TIG Torch Kit – 11pcs Tig Welding Torch accessories (consumables) kit. This set includes all the essential TIG torch accessories and consumables, so you can get started on your welding projects right away.
    • Compatible – This TIG torch accessories kit fits all WP-17 WP-18 WP-26 TIG Welding Torch, including the ARCCAPTAIN TIG welding torches(quick connector 10-25mm/35-50mm/XS12-5P).
    • Highlights – Pure Copper Material, Accurate Punching, Precise Cutting. Electric conductivity is similar to a 2% thoriated tungsten electrode at either AC or DC. No need to change any welding program. With excellent plasticity, toughness, and crack resistance, especially low-temperature impact toughness higher.
    • Wide application – WP-17 WP-18 WP-26 TIG Welding Torch, for many locations of the pipeline TIG welding arc welding and arc welding, can be welded carbon steel and some low alloy steel.
    • Note – The insulator rings can not match the CK Torch.
    Buy on Amazon

    Last update on 2026-04-26 / Affiliate links / Images from Amazon Product Advertising API

    Performance & Use

    What to Compare Before You Buy

    • Torch Compatibility — Verify your torch model (WP-17, WP-18, or WP-26); this kit is NOT compatible with WP-9 or larger industrial torches
    • Tungsten Size — Confirm whether you run 1/16″, 3/32″, or mixed tungsten sizes; collet sizing matters for arc stability
    • Gas Lens vs. Standard Cup — Gas lenses improve shielding in drafty environments; standard cups work fine for bench work
    • Material Grade — Alumina cups are standard; some shops prefer ceramic for specific applications
    • Quantity — This is an 11-piece set; if you run multiple torches daily, consider buying two kits

    Comparable Amazon Picks (Optional)

    Installation & Maintenance

    Swapping consumables is straightforward:

    1. Cool the torch — Let it sit for 2–3 minutes after your last weld
    1. Unscrew the back cap — Use a 7/16″ or 1/2″ wrench; don’t force it
    1. Remove the old collet and cup — They slide out together
    1. Insert new collet and cup — Align the collet with the torch body; it should sit flush
    1. Reattach the back cap — Hand-tighten, then snug with a wrench; over-tightening can crack the collet

    Maintenance tip: Clean the torch body and collet threads every 20–30 hours of welding to prevent carbon buildup and stuck parts.

    Durability & Lifespan

    Consumables wear at different rates depending on amperage, duty cycle, and shielding gas:

    • Collets — 40–80 hours of active welding before replacement
    • Ceramic cups — 30–60 hours; cracks indicate replacement time
    • Gas lenses — 50–100 hours; clogging reduces gas coverage
    • Back caps — 100+ hours; rarely need replacement unless cross-threaded

    At $25–$35 for this 11-piece kit, you’re looking at roughly $2–$3 per consumable part, making it a cost-effective backup supply.

    Safety Notes

    • Always wear welding gloves when handling hot torches or consumables
    • Ensure your torch is cool before disassembly
    • Check gas lens alignment; misaligned lenses can cause poor shielding and porosity
    • Use only argon or argon/CO₂ blends with this torch; check your machine’s gas compatibility

    When to Replace This Kit’s Parts

    Replace consumables when you notice:

    • Erratic arc — Worn collet or misaligned cup
    • Visible cracks or pitting on ceramic cups
    • Gas coverage loss — Clogged gas lens or damaged nozzle
    • Difficulty inserting tungsten — Worn collet

        1. TIG Welds Turning Black and Sooty? Fix Gas Coverage Fast

          If your TIG welds are coming out black, sooty, or “dirty,” you’re not alone—this is one of the most common early warning signs of shielding gas problems. It usually shows up mid-bead when everything seems set correctly. Here’s why it happens and how to fix it.

          Symptoms (what you’ll see)

          • Black soot around the bead (sometimes a “smoke trail” look)
          • Tungsten turns dark/sooty or balls up unexpectedly
          • Porosity starts showing up even on clean steel
          • Arc feels unstable or wanders
          • Weld color looks dull/gray instead of clean and consistent

          Root cause (what’s actually happening)

          Black soot is typically a sign that your weld puddle (and/or hot tungsten) is seeing oxygen and contaminants because shielding gas coverage is breaking down. That can come from too little flow, turbulent flow, a leak, a blocked cup/screen, or drafts pulling the argon away.

          On steel, poor shielding can leave soot and surface oxidation; on stainless, it can show up as heavy discoloration; on aluminum, it often stacks with porosity and “dirty” looking puddle behavior. The key point: argon has to form a stable envelope around the tungsten and puddle—when it doesn’t, contamination happens fast.

          The fix (step-by-step)

          1. Check flow rate and stop turbulence
            Start around 15–20 CFH (0.42–0.57 m³/h) for typical cups, then adjust. Too low starves coverage; too high can create turbulence that pulls air in.
          2. Inspect the cup, collet body, and gas lens screen
            Remove the cup and look for spatter, dust, or a partially blocked gas lens screen. If the screen is dirty or damaged, replace it.
          3. Leak-check the gas path
            Confirm tight connections from the regulator to the torch. If you suspect leaks, isolate sections (regulator, hose, torch) and re-test. Leaks can cause inconsistent shielding and “random” soot.
          4. Increase stickout control (or switch to a gas lens)
            If you’re running long tungsten stickout (common in corners/fillets), a standard setup can lose coverage. A gas lens helps laminar flow and supports longer stickout without losing shielding.
          5. Fix post-flow and regrind tungsten
            If the tungsten is sooty/contaminated, stop and regrind. Also ensure post-flow is long enough to protect the tungsten as it cools.

          Safety note during troubleshooting

          If you’re chasing shielding issues, don’t “test” by hovering the torch and blasting gas near your face. Keep your hood down and gloves on—hot tungsten and UV exposure are still hazards even during quick checks.

          Real-world tip (what experienced welders do)

          When soot shows up, experienced TIG welders don’t keep pushing the bead hoping it clears. They stop, regrind the tungsten, and do a fast gas-system sanity check: flow, leaks, cup/lens condition, and drafts. If they’re working with longer stickout or tight joints, they often move straight to a gas lens setup because it reduces sensitivity to small technique changes.

        2. TIG Torch Slipping Tungsten? Your Collet Body Is Worn (Here’s the Fix)

          Intro

          You’re TIG welding and the tungsten keeps slipping out of the collet. You tighten the back cap, it holds for a few seconds, then slides again. The arc starts inconsistent, the puddle wanders, and your bead looks rough. The problem isn’t the tungsten—it’s a worn collet body that can’t grip anymore.

          Key Takeaways

          • Tungsten slipping is almost always caused by a worn or damaged collet body, not the tungsten itself
          • A collet body wears from repeated insertion and removal of tungsten
          • Replacement collet bodies are cheap ($5–$15) and take 30 seconds to swap
          • Gas coverage improves dramatically with a fresh collet body
          • Keep spares on hand for every torch size you use

          The Problem

          A worn collet body shows up as:

          • Tungsten slides out even when the back cap is tight
          • Inconsistent arc initiation
          • Poor gas coverage (visible oxidation on the weld)
          • Difficulty maintaining arc length
          • Collet body threads are stripped or loose

          The collet is a small tapered sleeve that grips the tungsten. Every time you insert or remove tungsten, the collet compresses and expands. Over hundreds of cycles, the taper wears out. The grip weakens. Eventually, no amount of back cap tightening will hold the tungsten in place.

          Why It Matters

          A slipping tungsten means an unstable arc. Your puddle control suffers. Weld quality drops. On precision work (aerospace, stainless, thin-wall), a wandering arc is a reject. On production runs, it’s rework and lost time. Plus, a loose tungsten can break mid-weld and contaminate your shielding gas.

          The Fix

          1. Disconnect the torch and let it cool. Safety first.
          1. Unscrew the back cap and remove the old collet body.
          1. Inspect the threads. If they’re stripped, you may need a new torch head (rare).
          1. Install the new collet body. Slide it in and hand-tighten the back cap.
          1. Insert tungsten and tighten firmly. The tungsten should not move when you pull on it.
          1. Test the arc. You should see immediate improvement in arc stability and gas coverage.

          Why This Product Solves It

          The TIG Gas Lens Collet Body #17, 18, 26 Torch 2PK (45V27-1/8″) is a direct replacement for standard TIG torches and includes a gas lens design that improves shielding gas flow. The tapered bore is precision-machined to grip tungsten consistently, and the gas lens allows larger tungsten stick-out for better visibility and control. Two-pack means you have a spare.

          Product Link:  Product not found.

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          What to Check Before You Buy

          • Torch series: This fits #17, #18, and #26 torches (most common sizes)
          • Tungsten size: This collet is sized for 1/8″ (3.2mm) tungsten
          • Gas lens compatibility: Confirm your torch head accepts a gas lens (most do)
          • Thread type: Standard collet body threads (verify if you have an older torch)

          Real-World Use

          A TIG fabricator working on stainless tubing noticed poor gas coverage and arc wander. Swapped the collet body. Tungsten stayed put, arc was stable, and the bead came out clean. One collet body lasted 18 months before needing replacement.

          Common Mistakes

          • Tightening the back cap excessively (damages the new collet body)
          • Using the wrong collet size for your tungsten diameter (loose fit)
          • Not replacing the collet body when it’s visibly worn (keeps struggling with slipping)
          • Forgetting to clean the collet body threads before installation (cross-threading)
          • Buying a single collet body instead of keeping spares (downtime when it fails)

          Safety Notes

          Always let the torch cool before handling. Collet bodies get hot during welding. Wear gloves when removing hot components. If tungsten slips during welding, stop immediately—a loose electrode can break and contaminate your argon supply.

          Always follow the manufacturer’s instructions and your shop’s safety procedures. If you’re unsure about fitment or ratings, verify before you buy or install.

          Related Reading

      1. TIG Torch Consumables Wearing Out Fast? Stock Up With This 123-Piece Kit

        TIG Torch Consumables Wearing Out Fast? Stock Up With This 123-Piece Kit

        Intro: TIG torch consumables wear out fast—especially with aluminum or stainless jobs. This 123-piece kit gives WP-17/18/26 users a complete, ready-to-go stock of nozzles, collets, and gas lenses for pro-level results without the downtime of waiting for parts.

        Key Takeaways

        • 123 pieces: nozzles, collets, gas lenses, and ceramic cups for WP-17/18/26 torches
        • Precision-manufactured for reliable fit and consistent gas coverage
        • Heatproof glass cups and alumina nozzles resist cracking under high temps
        • Supports both AC and DC TIG work; ideal for aluminum, stainless, and mild steel
        • One-time stock eliminates repeated small orders and shop delays
        PHUOC LOC THO for TIG Welding Torch Kit 123 Pcs Stubby Lens, Alumina Nozzle, Collets
        PHUOC LOC THO for TIG Welding Torch Kit 123 Pcs Stubby Lens, Alumina Nozzle, Collets
        • For TIG Welding Torch Kit 123 Pcs Stubby Lens, Alumina Nozzle, Collets
        • Includes 123 pieces for TIG welding torch kit, featuring stubby lens, alumina nozzle, and collets for welding applications.
        • components like alumina nozzle and collets reliable performance and precise welding results with TIG torch kit 123 Pcs.
        • Upgrade Your Gear, Upgrade Your Performance – Choose Our Reliable Replacement Parts.
        • To ensure a perfect fit and make an informed decision, we encourage you to carefully review both the product’s dimensions and visually inspect it in the provided photos.
        Buy on Amazon

        Last update on 2026-04-26 / Affiliate links / Images from Amazon Product Advertising API

        Performance & Use

        All parts are precision-manufactured for reliable fit and gas coverage. Designed for both AC and DC TIG work (verify for your machine). Suits most US-shop WP-17/18/26 torches.

        What to compare before you buy

        • Torch compatibility: Verify your torch model (WP-17, WP-18, or WP-26) before ordering
        • Collet sizes: Kit includes 0.040″, 1/16″, 3/32″, and 1/8″ collets—confirm your electrode diameter
        • Glass vs. ceramic: Kit includes both heatproof glass cups and alumina nozzles; choose based on your material and duty cycle
        • Gas lens setup: Verify whether you run stubby or regular gas lens configuration
        • Storage: Check if included storage case or organizer meets your shop layout needs

        Comparable Amazon picks (optional)

        Durability & Build

        Heatproof glass cups and alumina nozzles resist cracking under high temps. All collets and lenses are built for repeated use—ideal for daily welding or instructional settings. Precision tolerances ensure tight, consistent seals that minimize gas leakage and porosity.

        Who It’s For

        • TIG welders running WP-17/18/26 torches on aluminum, stainless, or mild steel
        • Fabrication shops that need backup consumables in stock to avoid downtime
        • Instructors teaching TIG welding who need a complete parts kit for multiple torch setups
        • Hobbyists and pros upgrading from single-part orders to bulk stock

        Quick FAQ

        Q: Will this fit my torch?
        A: Compatible with WP-17, WP-18, WP-26 (verify torch model before ordering).

        Q: Are all parts included for aluminum and stainless?
        A: Yes, supports both (verify machine settings and gas type).

        Q: Are the cups glass or ceramic?
        A: Both heatproof glass and alumina nozzles included.

        Q: Can I use this for AC and DC TIG?
        A: Yes (verify for your machine).

        Q: Does it include a storage case?
        A: Unknown (Verify on listing).

        Safety Notes

        • Always allow torch to cool before handling consumables
        • Inspect collets and gas lenses for cracks or damage before use; replace if compromised
        • Verify gas flow and coverage before starting production welds
        • Follow ANSI Z49.1 safety standards for TIG welding
      2. 123 Pcs TIG Welding Torch Kit for WP-17/18/26

        123 Pcs TIG Welding Torch Kit for WP-17/18/26

        Intro:
        TIG torch consumables wear out fast—especially with aluminum or stainless jobs. This 123-piece kit gives WP-17/18/26 users a complete, ready-to-go stock of nozzles, collets, and gas lenses for pro-level results.

        Key Takeaways

        • Full kit: 123 pieces for WP-17/18/26 torches.
        • Includes alumina nozzles, stubby gas lens, collets, glass cups.
        • Supports steel, stainless, and aluminum TIG jobs.
        • Compatible with most standard torch bodies (verify model).
        • Saves time and downtime—no emergency parts runs.

        Performance & Use

        All parts are precision-manufactured for reliable fit and gas coverage. Designed for both AC and DC TIG work (verify for your machine). Suits most US-shop WP-17/18/26 torches.

        TIG Welding Tungsten Electrodes 3/32″ (WT20 Red Tip) – Specs, Safety & Buying Guide

        Durability & Build

        Heatproof glass cups and alumina nozzles resist cracking under high temps. All collets and lenses are built for repeated use—ideal for daily welding or instructional settings.

        Power / Specs

        • Kit size: 123 pieces
        • Torch fit: WP-17, WP-18, WP-26
        • Materials: Alumina, glass, copper
        • Process: TIG (AC/DC), steel, stainless, aluminum
        • Standards: Unknown (Verify)
        • Included: Nozzles, collets, gas lenses, glass cups, accessories

        Who It’s For

        • TIG welders (pro, hobby, instructional) using WP-17/18/26.
        • Shops needing full consumable stock.
        • Not for: Non-compatible torch models (verify fit).

        Quick FAQ

        Q: Will this fit my torch?
        A: Compatible with WP-17, WP-18, WP-26 (verify torch model).

        Q: Are all parts included for aluminum and stainless?
        A: Yes, supports both (verify machine settings).

        Q: Are the cups glass or ceramic?
        A: Both glass and alumina nozzles included.

        Q: Can I use this for AC and DC TIG?
        A: Yes (verify for your machine).

        Q: Does it include a storage case?
        A: Unknown (Verify on listing).

        Safety Notes

        • Inspect all consumables before use.
        • Replace cracked or worn parts promptly.
        • Use proper PPE (gloves, eyewear) during installation.
        • Always follow the machine manual, SDS, and applicable code requirements. If unsure, verify with the manufacturer.

        Where to Buy

        • Amazon pick: 123 Pcs TIG Welding Torch Kit for WP-17/18/26 — ASIN: B0FWJVW4NT
        • Amazon listing
        • PHUOC LOC THO for TIG Welding Torch Kit 123 Pcs Stubby Lens, Alumina Nozzle, Collets
          PHUOC LOC THO for TIG Welding Torch Kit 123 Pcs Stubby Lens, Alumina Nozzle, Collets
          • For TIG Welding Torch Kit 123 Pcs Stubby Lens, Alumina Nozzle, Collets
          • Includes 123 pieces for TIG welding torch kit, featuring stubby lens, alumina nozzle, and collets for welding applications.
          • components like alumina nozzle and collets reliable performance and precise welding results with TIG torch kit 123 Pcs.
          • Upgrade Your Gear, Upgrade Your Performance – Choose Our Reliable Replacement Parts.
          • To ensure a perfect fit and make an informed decision, we encourage you to carefully review both the product’s dimensions and visually inspect it in the provided photos.
          Buy on Amazon

          Last update on 2026-04-26 / Affiliate links / Images from Amazon Product Advertising API

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