Accessories for Oxygen Free Welding
Purge baffles for flat surfaces - developed by Walter Schnorrer
These baffles are designed for use on flat plates and sheets. The baffle attaches to the sheet with vacuum suction chambers on either side of the purge channel. They can be mounted in any orientation. The baffles are used to contain and distribute the purge gas in the region of the weld root. The environment in the root of the weld typically needs to contain less than 50 ppm of oxygen in order to prevent oxidation. The purge baffles can be used alone or in conjunction with an oxygen analyzer to ensure a good welding environment on the back side of the weld. These products were developed and patented by Walter Schnorrer.

Related products:
Tube baffles
Cylinder baffles
Flexible baffles

Purge baffle for flat sheets

Features of flat purge baffles for seams

  • Use for all purge gases in MIG/MAG, TIG and plasma welding processes
  • Vacuum attachment to any flat surface without extra fixturing
  • Reduces purging time saves gas
  • Ensures uniform distribution of the purge gas.
  • Heat resistant seals to 340 degs C (Plus type)
  • Laminar gas flow from built in diffuser.

Principle of Operation
The purge gas is directed into channel running down the center of the purge unit. The baffle is held in position on the back of the seam with vacuum suction chambers, one on each side of the purge channel. The unit is easy to move and reposition because there is no fixturing.

Specifications and Ordering Information
Standard Flat purge baffles
Flat Purge Baffles
Length - mm Length inches Model Price Each
400 mm 16 FLAT400 $785.00
500 mm 20 FLAT500 $835.00
600 mm 24 FLAT600 $890.00
700 mm 28 FLAT700 $945.00
800 mm 32 FLAT800 $995.00
900 mm 36 FLAT900 $1065.00
1000 mm 40 FLAT1000 $1100.00
Larger sizes per 100 mm 4   $60.00

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