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 is that the alignment jig for the poly pipe has a lever that allows lateral force to be applied as you want a certain amount of squeeze-out, but not too much. Butt-fusion is the technical term for the process.
In the video below, they're using an electrically heated plate... with the unit I used in the field, we used a plate that was heated via a sta "Pin It")
I've welded poly irrigation pipe with a similar apparatus... the main difference (other than scale) is that the alignment jig for the poly pipe has a lever that allows lateral force to be applied as you want a certain amount of squeeze-out, but not too much. Butt-fusion is the technical term for the process.
In the video below, they're using an electrically heated plate... with the unit I used in the field, we used a plate that was heated via a standard propane torch... it had a dial thermometer built into the plate and a port into which the torch tip inserted.
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