Shop Dust Control

[Overs Pianos]

William, Terry and all,

>In case you are considering PVC for the ducting, I'd do some research.  PVC
>is more prone to buildup of static charges, more difficult to ground and,
>consequently, fire hazard increases.  I dunno how much, and I know a couple
>guys that use PVC and haven't had any issues, but it may be worth
>researching if that is your bent.
>
>Just my 2 cents.
>William R. Monroe

Good comment William. The use of PVC is OK provided that a proper 
earthing network is installed. A spiral wrap of earth wire (without 
insulation) along each runner, properly grounded, will prevent the 
generation of potentially explosive static voltages.

Ron O.
-- 
OVERS PIANOS - SYDNEY
    Grand Piano Manufacturers
_______________________

Web http://overspianos.com.au
mailto:ron at overspianos.com.au
_______________________