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explosion proof fans - more

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N1DeltaWhiskey(at)comcast
Guest

Posted: Tue Oct 24, 2006 2:21 pm Post subject: explosion proof fans - more

Forgot one of your questions - regarding sizing of a fan.



You should plan for a minimum 12 air changes per hour in your booth, or at 

least one complete air change every 5 minutes.  Fans are usually rated in 

cam (which is reduced by backpressure exerted by filters and other 

resistances).  I would use a fan that would provide 150% or so of the 

required airflow to meet the recommended change frequency.



Doug



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sarg314(at)comcast.net
Guest

Posted: Tue Oct 24, 2006 5:05 pm Post subject: explosion proof fans - more

Doug:

    Thanks for that information.  At present I am favoring using a 

waterborne urethane  from Stewart Aircraft Finishing systems.  It is 

much less dangerous in all respects.  They claim that after the paint 

cures, it is the same as any other urethane.  I'm going to talk to them 

at the Copperstate Fly-in this weekend.



Doug Windhorn wrote:



 	  Quote: 	
		   

 <N1DeltaWhiskey(at)comcast.net>



 Forgot one of your questions - regarding sizing of a fan.



 You should plan for a minimum 12 air changes per hour in your booth, 

 or at least one complete air change every 5 minutes.  Fans are usually 

 rated in cam (which is reduced by backpressure exerted by filters and 

 other resistances).  I would use a fan that would provide 150% or so 

 of the required airflow to meet the recommended change frequency.



 Doug

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