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Step 19Downdraft reactor - 4
Outer Vessel: Weld top flange ring onto outer reactor vessel tube.
- Orientation: Use any tab and slot position, but make sure flange is flush with top of vessel tube
- Tab and Slot start position: The "center" of the slot at the vessel seam is 3/16" from the material edge. This results in a 1/4" space between the edge of the tab and slot on the material side of the slot.
- Pull vessel tube and flange tight together with C clamps as you tack around the circle
- Weld ONLY on the underside. No welding on the joint side of the flange
- Grind top surface flat after welding
- Clean up flange holes with a 11/32" drill
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