Clearvue Cyclone

[Farrell]

Yeah, I've read about that. My conclusion was that for most shops the risk is minimal. But in my specific case, the RH in my central Florida shop really never gets below about 40% or 45% - and in the winter time it sometimes goes up to 50% or 55% because I don't run the AC. I have never gotten a static elec shock in the house - the RH just never gets low enough. Back when I lived in Michigan, we would always get shocks in the winter time.

I think that if I were in a climate where I found my shop RH dipping low in the winter, I might want to ponder this question more. But with my very moderated and never low shop RH, I just don't think it is an issue. I will monitor the system anyway - test for shocks and stuff - gotta admit that if I get a shock every time I touch my piping after use, I might think a little harder about all this. My planned piping run is fairly short, so I'm gonna give it a go with PVC and see what shakes out.

Thanks for the thought.

Terry Farrell
  ----- Original Message ----- 
  Just to follow up, because no one else did, here are just a couple of links to the debate about PVC tubing in dust systems.  You  probably already know this stuff, uh?

  http://www.woodweb.com/knowledge_base/PVC_piping.html

  http://www.rockler.com/blog/index.cfm?commentID=44


  While there seem to be no reports of explosions resulting from static build up, all the literature emphasizes proper grounding when using PVC.





  At 10:41 AM 8/8/2006, Terry Farrell wrote:


    And then there is the ducting thing. I haven't got that installed yet. I spent a lot of time trying to locate the recommended ASTM 2729 thin-wall six-inch PVC piping and failed. To the best of my knowledge it doesn't exist! I guess I'll have to settle for the next thicker stuff. And I haven't picked that up yet because I haven't installed a hitch on my car to pull a trailer for the pipe (although I did finally get a license plate for the trailer).
     
    I
  Regards -

  David Skolnik

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