BiggieB400
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- Joined
- Mar 6, 2009
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Great idea for the back purge. I've seen folks use the sintered bronze vent fittings to act as a diffuser for back shielding. Aluminum foil works well for piping. You always need a vent to prevent the pressure from creating a weld blow out. Argon is heavier than oxygen, so you can use that to your advantage too
Great idea for the back purge. I've seen folks use the sintered bronze vent fittings to act as a diffuser for back shielding. Aluminum foil works well for piping. You always need a vent to prevent the pressure from creating a weld blow out. Argon is heavier than oxygen, so you can use that to your advantage too