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Thread: Cyclone Separator 4"/100mm inlet
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3rd May 2021, 12:19 AM #1Novice
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Cyclone Separator 4"/100mm inlet
Hi all,
I've just picked up a generic 2hp DE unit and wish to incorporate a cyclone separator using a steal drum which I already own.
Most of the cyclones on the market appear to be mainly for inlet hoses of 2"/50mm.
I've also seen the various units like the Carbatec 85L unit pictured, but was hoping to find a cheaper option that doesn't cost $560!
Any advice appreciated.
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3rd May 2021, 10:47 AM #2GOLD MEMBER
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There's not much point having a 2HP DE with a 5" (?) inlet if you're going to choke it back to 4". To then further reduce the airflow with a cyclone would certainly be a retrograde step. You're not going to find a 4" or 5" cyclone at a reasonable price off the shelf in Australia.
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3rd May 2021, 01:19 PM #3.
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Most stock 2HP have 4" inlets plus a bulls eye target screen across the inlet.
Step one - ditch the screen
Step two - modify the inlet and outlet to 6" using the info in the sticky at the top of this forum. This allows you to move a lot more air and hence fine dust.
Adding a cyclone/separator to a small DC you will collect significantly less (~25%) air and hence collect less fine dust.
If you don't care about fine dust then no worries about using a cyclone.
If you do, then you'll need to add some forced ventilation to your shed.
The target spec is ~20 room changes per hour but any ventilation is better than nothing.
Depending on the size of your shed often a couple of bathroom exhaust fans will do.
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3rd May 2021, 01:40 PM #4GOLD MEMBER
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3rd May 2021, 02:21 PM #5.
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3rd May 2021, 11:49 PM #6Novice
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4th May 2021, 09:02 AM #7GOLD MEMBER
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There are none made in Australia. They're bulky so the freight to get them into the country is expensive, once you get them here local freight is expensive. The Chinese guy that I used to import them from is no longer in business so the US is the only source that I'm aware of. There are quite a few people making their own based on the Bill Pentz design.
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4th May 2021, 05:27 PM #8SENIOR MEMBER
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