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Thread: Ace portable fume extractor score....

  1. #1
    Join Date
    Mar 2018
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    Stokes County, NC
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    Ace portable fume extractor score....

    I often weld smaller stuff in our attached garage and, like many others, wind up outside if I'm doing something that throws off fumes and smoke so I've been kind of lurking on Craigslist for a fume extractor. And this one showed up nearly two weeks ago about 45 minutes from me. It took until this morning to match our travel and other schedules and $250 later it finally hit the welding table this afternoon.

    Name:  20210429_124734.jpg
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    Name:  20210429_124712.jpg
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    It's a pretty straightforward unit. Two fan motors, a switch, an air pressure differential circuit with green and red lights to alert you to clogged filters, a 10' long 2-1/2" hose with a short flexible steel hose mounted on a magnetic base and the intake nozzle. Add the 12x12x11.5" main filter and a 12x12x1 pre-filter and a spark baffle and I think you could likely make a pretty good one like this for a lot less than the $1100-1200 these retail for.

    The main filter (95% @ 5 micron MERV 15 equivalent) appears to be new or very nearly so. The MERV 9 equivalent pre-filter shows some dust and I have some on the way. It is single speed 190 CFM but there is a direct swap 90-190 CFM switch for it I think I'll order.

    The 95% filter is recommended for everything but stainless steel welding where they recommend a HEPA filter rated at 99.97% at 0.3 micron. They note that the HEPA filter will plug up much fast than the 95% filter if used as a general purpose filter.

    I have a Multimatic 255 and now have Hypertherm Powermax45 XP plasma cutter on back order. I plan to use some of the sticks of Unitstrut I have on the basement stock rack to make a cart with with adjustable height shelves with the extractor on top, the Multimatic in the middle and the Powermax on the bottom next to a small tool chest with drawers for consumables and hand tools and with the gas cylinders on the back.

    Now I need to find if there is an arc sensing switch that's affordable to a hobby welder. Or a rough idea of what's needed to make one. The unit draws 14 amps at 120 volts at full load.

    Best regards to all,
    Last edited by LanceR; 04-29-2021 at 06:03 PM.
    Lance

    Multimatic 255 w/MDX-250 EZ-Select gun
    Hypertherm Powermax45 XP
    Heck Bevel Mill 4000
    Miller/Smith heavy duty torch set
    9" Evolution circular saw

  2. #2
    Join Date
    Aug 2014
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    B.C. Canada
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    Re: Ace portable fume extractor score....

    Quote Originally Posted by LanceR View Post
    I often weld smaller stuff in our attached garage and, like many others, wind up outside if I'm doing something that throws off fumes and smoke so I've been kind of lurking on Craigslist for a fume extractor. And this one showed up nearly two weeks ago about 45 minutes from me. It took until this morning to match our travel and other schedules and $250 later it finally hit the welding table this afternoon.

    Name:  20210429_124734.jpg
Views: 167
Size:  90.1 KB

    Name:  20210429_124712.jpg
Views: 165
Size:  85.7 KB

    It's a pretty straightforward unit. Two fan motors, a switch, an air pressure differential circuit with green and red lights to alert you to clogged filters, a 10' long 2-1/2" hose with a short flexible steel hose mounted on a magnetic base and the intake nozzle. Add the 12x12x11.5" main filter and a 12x12x1 pre-filter and a spark baffle and I think you could likely make a pretty good one like this for a lot less than the $1100-1200 these retail for.

    The main filter (95% @ 5 micron MERV 15 equivalent) appears to be new or very nearly so. The MERV 9 equivalent pre-filter shows some dust and I have some on the way. It is single speed 190 CFM but there is a direct swap 90-190 CFM switch for it I think I'll order.

    The 95% filter is recommended for everything but stainless steel welding where they recommend a HEPA filter rated at 99.97% at 0.3 micron. They note that the HEPA filter will plug up much fast than the 95% filter if used as a general purpose filter.

    I have a Multimatic 255 and now have Hypertherm Powermax45 XP plasma cutter on back order. I plan to use some of the sticks of Unitstrut I have on the basement stock rack to make a cart with with adjustable height shelves with the extractor on top, the Multimatic in the middle and the Powermax on the bottom next to a small tool chest with drawers for consumables and hand tools and with the gas cylinders on the back.

    Now I need to find if there is an arc sensing switch that's affordable to a hobby welder. Or a rough idea of what's needed to make one. The unit draws 14 amps at 120 volts at full load.

    Best regards to all,
    Wow. Good score for $250

    Here’s a pic of the cart I modified for my fume extractor..







    Sent from my iPad using Tapatalk
    :

  3. #3
    Join Date
    Dec 2008
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    Lockhart,Tx (BBQ capitol of the world)
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    Re: Ace portable fume extractor score....

    WOW! 14 amps! That's a lot of power for a "fan"!
    You sure it is not 1 point 4 amps?

    Nice score by the way!

  4. #4
    Join Date
    Mar 2018
    Location
    Stokes County, NC
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    Re: Ace portable fume extractor score....

    Hi Rex

    It has a pair of fan motors that from the parts diagram are rated at 95 CFM each after the duct work....which is considerable in light of the total of around 12' of corrugated 2-1/2" hose they have to suck through. The data plate reads 14.0 Amps. Which if you look at what large commercial vacuum cleaners draw is no surprise.


    Lance
    Lance

    Multimatic 255 w/MDX-250 EZ-Select gun
    Hypertherm Powermax45 XP
    Heck Bevel Mill 4000
    Miller/Smith heavy duty torch set
    9" Evolution circular saw

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