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DWS Orbital Welding Purge Tools

Digital Welding Systems, Inc. offers a variety of purge tools. All items in stock and can be shipped within 24 hours. Call us at 408-773-0231 to order. DWS ships worldwide.

 

 

Oxygen Analyzers

  • 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

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

 
  • 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

AMI Purge Mandrel Tool

Provides quick and easy method of aligning -- prior to automatic or manual welding -- sanitary ferrules and other similar types of fittings.

  • Eliminates need to pre-tack
  • Maintenance-free seals prevent entrapment of oxygen, resulting in oxide-free internal welds
  • Significant savings of purge gas realized, as only weld zone is purged
  • Includes provisions for I.D. purging
  • Adaptable to wide range of ferrrules and fitting types and sizes

 

AMI Fitting Support Mandrel with Gas Purge

Designed to facilitate orbital welding of fitting-to-fitting assemblies which lack sufficient straight length to be held in orbital weld head

  • Holds pre-tacked fitting assembly concentric to the body of the mandrel
  • Input gas line and integral gas diffuser purge I.D. of assembly being welded
  • Collets for all standard fitting sizes from 1" through 4" available; non-standard or custom applications also available