Accessories for Oxygen Free Welding
|Flexible Purge baffles for curved
surfaces - developed by Walter Schnorrer
|These baffles are designed for use on
flat plates and sheets and inner and outer curved seams 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.
Features of flexible purge baffles for curved seams
- Use for all purge gases in MIG/MAG, TIG and plasma welding
- Vacuum attachment to any flat or curved surface without extra
- 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
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 flexible purge channel. The unit is easy to
move and reposition because there is no fixturing.
|Specifications and Ordering
Standard length flexible vacuum attach purge
| Flexible Purge Baffles
|Length - mm
|Larger sizes per 100 mm
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