Purge Tools

For Orbital Welding

  • Digital Welding Systems, Inc. offers a variety of purge tools
  • All items in stock and can be shipped within 24 hours
  • Call us at 408-567-0232 to order
  • DWS ships worldwide


Oxygen Analyzers

Oxygen Analyzer






  • Ensures that pipes are properly purged of O2, which can discolor or damage welds
  • Eliminates guesswork - measures O2 down to 0.1%
  • Hand-held, portable, battery-operated
  • Easy-to-read large LCD display
  • No other apparatus required - simply attach input sensor to vent of tube
  • Economy size available

More information here



Modular Purge System

Purge System




  • For pipes ID 1 1/2" to 13" (38mm to 325mm)
  • All applications: straight pipe, curved, tees, flanges
  • Easy to handle and adjust


Purge Tools



  • Photo, left, shows Modular Purge System with elbow tubing


Jumbo Purge System



  • For pipes ID 16" to 48"
  • Straight or curved pipes
  • Multiple silicone rubber lips on an aluminum ring


Gas Purge Regulators




  • Single-stage regulator
  • All brass construction
  • Permits independent purging of pipes
  • Dual flow meter in one package
  • High-pressure argon cylinder type gland

Purge Plugs, Dams and Windows





  • For improved gas flow management to achieve clean welds
  • High-temp silicone stoppers ranging from 1/4" to 2.5" tube sizes
  • Laser-cut lexan windows with diameters 2" to 14" -- permitting weld penetration viewing at end of pipe

Looking to rent orbital welding equipment?

DWS has the best-maintained orbital tube welding rental fleet.

1/4" through 6" capabilities.


Orbital Welding Systems

Automated Robotic Welding

Tube Prep and Squaring Tools

Orbital Welding System Rentals

Tube & Pipe Cut-Off Saw Rentals

Spare Parts and Service

Tungsten Electrodes,
Saw Blades,

Support Tools,
O2 Analyzers,
Purge Tools

Tubing Benders

Used Equipment

Parabolic Solar Receiver Tube Joining
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