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.
Features of flat purge baffles for seams
- Use for all purge gases in MIG/MAG, TIG and plasma welding
- 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
|Larger sizes per 100 mm
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