Thread: Spray Booth
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Old 10-20-2007, 12:51 PM   #8
smitty919
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Quote:
Originally Posted by #^&#^&#^&#^&#^&#^&#^&#^&#^&#^&#^& View Post
Sorry but it is true...

You can google it yourself and read the regs...

"nfpa rules for hazardous atmosphere, spray booth motor"

(4) Fan-rotating element. The fan-rotating element shall be nonferrous or nonsparking or the casing shall consist of or be lined with such material. There shall be ample clearance between the fan-rotating element and the fan casing to avoid a fire by friction, necessary allowance being made for ordinary expansion and loading to prevent contact between moving parts and the duct or fan housing. Fan blades shall be mounted on a shaft sufficiently heavy to maintain perfect alignment even when the blades of the fan are heavily loaded, the shaft preferably to have bearings outside the duct and booth. All bearings shall be of the self-lubricating type, or lubricated from the outside duct.

(5) Electric motors. Electric motors driving exhaust fans shall not be placed inside booths or ducts. See also WAC 296-24-37005.

(6) Belts.Belts shall not enter the duct or booth unless the belt and pulley within the duct or booth are thoroughly enclosed.

(7) Exhaust ducts. Exhaust ducts shall be constructed of steel and shall be substantially supported. Exhaust ducts without dampers are preferred; however, if dampers are installed, they shall be maintained so that they will be in a full open position at all times the ventilating system is in operation.



Guys don't be a statistic. This guy has no clue. I can't believe he's showing people how to do this online. Like I said one less for the gene pool...
you have made me a beleaver i will not dispute and i will not build one thats for sure sorry for our little fight lol.
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