Reply by KPW

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Posted on Using PVC for Dust Collection Systems

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226 posts in 2903 days

#1 posted 03-26-2012 10:22 PM

In the electrical business there were two ways of bending 4” pvc pipe. One was a an electric heater box that you would put the pipe into so it would become flexible and you take it out after a few minutes and bend it to the shape ypu wanted. The other was an electric blanket that wraps around the pipe and heats it up. The trick is to get a good 2 feet of pipe heated up around the whole diamieter otherwise it will kink if you don’t. As far as the static electricity goes it’s really no more than what builds up on a shop vac. I don’t know anyone that puts a grounding system on their shop vac. The only time I could see it being a hazard is if your shop was filled with combustible vapors but then any spark would be a hazard.

-- Ken --------- never try and put 5 lbs. of tenon in a 3 lb. mortise.

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