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Copper-coloured large-diameter gas lens for TIG torch, 3/32 inch electrode size

Miller - Weldcraft

Miller - Weldcraft 45V64S Large Gas Lens 3/32 In

SKU CH-1SRX-XW56Q

Large-diameter gas lens for TIG torches, compatible with multiple WP and HW series models up to 0.09375 in electrode size

  • TypeTools
  • Large gas lens improves shielding gas coverage for cleaner welds
  • Copper and brass construction resists heat and extends consumable life
  • Fits 3/32 inch electrodes up to .09375 inch maximum diameter
  • Compatible with WP-9, WP-20, WP-25 and HW series TIG torches
  • Works with 20, 25, 125, 200, 225, 250, 280, 310, 375 series power sources

Product Identity

The Miller Weldcraft 45V64S is a large-diameter gas lens designed for TIG welding torches. It fits a wide range of Miller and Weldcraft torch models including Series 9, 20, 25 and 200–375 machines. The copper and brass construction supports maximum electrode diameters of .09375 in for precise shielding gas coverage.

Compatibility Check

Verify your torch model against the supported list before ordering. Compatible units include WP-9, WP-9F, WP-9V, WP-20, WP-20P, WP-20V, WP-25, HW-9, HW-20, HW-25, PTA-9, PTW-20 and W-200 through W-375 series. This lens will not fit torches outside these designated series or models requiring a standard collet body.

Operation Characteristics

The copper and brass body dissipates heat effectively during extended welding cycles. Gas flow remains stable through the large-diameter lens design, reducing turbulence at the weld pool. No external power or cooling is required beyond the torch's standard gas supply. The component contains chemicals identified under California Proposition 65.

Highlights

  • Large gas lens improves shielding gas coverage for cleaner welds
  • Copper and brass construction resists heat and extends consumable life
  • Fits 3/32 inch electrodes up to .09375 inch maximum diameter
  • Compatible with WP-9, WP-20, WP-25 and HW series TIG torches
  • Works with 20, 25, 125, 200, 225, 250, 280, 310, 375 series power sources

Specifications

BrandMILLER ELECTRIC
TypeTools

Questions about this item

Does the 45V64S Large Gas Lens ship with any collets or ceramic cups, or must they be purchased separately?

The lens itself is the only component included; compatible collets and cups for the 3/32 inch electrode must be bought separately.

How do I decide between the standard and large-diameter versions for my torch?

Choose the large-diameter 45V64S when your torch model appears in the compatibility list and you need the wider gas-coverage pattern for the 0.09375 in maximum electrode.

What practical difference does the large-diameter design make when the lens is fitted to a WP-20 torch?

It expands the shielding-gas envelope around the 3/32 in electrode, reducing turbulence and improving coverage on the weld pool.

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