Hover cursor over image to view larger picture


WARNING: This product can expose you to chemicals including Nickel compounds, which is known to the State of California to cause cancer, and Lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Bernard™ Quik Tip™/Centerfire™ Series Nozzle Insulator

Airgas Part #:BER4323R-2

Manufacturer Part #:4323R-2

$20.94 /Each

Item Details

  • Bernard™ nozzle insulator for Quik Tip™ and Centerfire™ Conversion Series Consumables is used behind the gas diffuser where it mates with the neck of the gun. Compatible with the D218 Quik Tip Gas Diffuser. Also compatible with many Bernard Centerfire Conversion Series gas diffusers. Qty 2.


  • For use with mild steel, aluminum or stainless steel wire
  • For medium to heavy-duty MIG welding applications


  • WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Product Attributes

Consumables Type

» Nozzle Insulator

MIG Gun Model

» Bernard™ BTB Gun
» S-Gun™
» W-Gun™


» Quik Tip™
» Centerfire™