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Old 05-08-2005, 08:30 PM
sag sag is offline
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sas supplied air

i am going to be ordering a fresh air system i was looking at the pure air 2000 w/opti-fit respirator and the pure-air 2000 w/hood which one is the better system i would say the one with respirator due to the fact it is 100$ more expensive what would you guys get

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Old 05-09-2005, 03:08 PM
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Post a link as to where you are going to buy this from.
Are you painting in a booth, garage, outside???
What is the total cost involved for fresh air?
I have always just used 3m respirators with charcoal filters and dust covers

BK
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Old 05-09-2005, 03:17 PM
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i will be painting in a makeshift booth in my garage i don't have a link i was given a catalog by a Friend but the one with the hood is 299 and the other is 399 the catalog is from a place called autobody toolmart
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Old 05-09-2005, 06:51 PM
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Two problems with those units
1. they are CFM HOGS!! Dont know the specfics on the sas model but the 3m unit uses something between 15-20cfm. You have a compressor big enough to run that fresh air mask PLUS a paint gun? If you are using a HVLP gun expect to use 15cfm, so you would be looking at 30 cfm total, thats a huge number for a home compressor.
2. You NEED a clean air compressor, basically a rotaty srcew to provide clean air. A piston type compressor produces CO2, thats why all fresh air units have a CO2 monitor. If that compressor pumps out Co2 it can overload that unit and you would be breathing Co2 gas instead of clean air!!

Unless Sas has changed their systems those pure air units DO NOT provide grade D breatheable air, which is require by law!!

I did tons of research on this topic a few years back, I personally talked to the 3m NATIONAL saftey rep, rep from Sata.

I would email sas and get more info about those pure air units as when I was in the market they did not meet the osha guidelines, and Co2 will kill ya alot faster then ISO's will.

One of the best things you can do is run the air intake for the compressor outside. That way you are getting fresh cool instead of recylced air from inside.
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Old 05-09-2005, 07:51 PM
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the pure air systems must have been changed since you looked at them they are now grade d air and meet osha specs i am not sure about the cfm requirement i didn't figure it would be anywhere near that much will have to check into it thanks for the heads up
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Old 05-10-2005, 05:26 AM
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OK still waiting on info on cfm and co2 but if this system turns out to be no good i am looking at the hobbyair systems should i go halfmask/supplied hood/halfmask with hood
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Old 05-10-2005, 05:42 AM
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I have the SAS full face mask setup, although I only use it for completes I haven't had any problems except the small nipple feeding the CO2 monitor is very fragile and I've broken a few. Never really thought about how much CFM it uses. Bob
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Old 05-10-2005, 07:22 AM
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i found out that the cfm requirement is 6-7 so not really a problem but the person i talked to said that if you are using a oil lubed compressor that it is going to produce co2 he also said that this system is not intended for use in places that have harmful fumes(iso's) co2 monitor only tells you to stop using it the system does nothing to remove it.all of this came from a sales rep at autobody tool store where he got his info i don't know still trying to get ahold of sas.Badbob does your co2 monitor say you are reaching dangerous levels and what type of compressor are you using
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Old 05-10-2005, 09:05 AM
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ok talked to sas it requires 4 cfm @180psi and it is just a organic filter it should be used with a oilless compressor because of co2 if you ask me it is a overpriced piece of junk.anyone with a compressor big enough to make 180psi will spend a little extra just to avoid oilless and i can go get a 20$ organic mask so it looks like i am going with hobbyair now which one any suggestions
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