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ddl

3 inch fluid bed and interchangable cup plan

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does anyone is using a kind of mag fluid bed like that, size will be 3 winch x 4 ?  i 'll be a lil bit too short whit a normal 2 inch tube since i'll also paint some blades that are around 1 5/8 wide. does anyone know if it is possible to make a good one where we can easily switch paint cup instead of cleaning them each time you change paint color ? ive seen some whit union some without.one thing is sure union cost a lot of money vs the rest

Edited by ddl

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Do not use a union!

Take a 3" flat cap ABS or PVC doesn't matter and drill a hole near the bottom to fit an aquarium valve.

Hot glue in an aquarium valve.

The hot glue makes it easier to replace a bad valve later on.

Take a section of pipe for your cup and put in a knock out test caps. Knock out the center and discard.

Remove the remaining ring of the test cap and set aside.

Place your membrane over the section of pipe and replace the ring.

Trim excess membrane material.

Use a second knock out test cap for a cover.

Make as many cups as you want for cheap.

Change/replace membranes in seconds.

I rarely ever clean a cup. 

Store my paint in them as well.

Want a 2" cup? Put in a 3x2 reducer fitting and make a 2" cup.

Same for 1.5"

Change sizes in seconds.

Change cups in seconds.

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sound really good.i'll go to home depot whit your reply in hands.it look exactly like what i need. tks a lot, i will save near 40 bucks of union

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On 5/15/2020 at 1:58 AM, Kasilofchrisn said:

Do not use a union!

Take a 3" flat cap ABS or PVC doesn't matter and drill a hole near the bottom to fit an aquarium valve.

Hot glue in an aquarium valve.

The hot glue makes it easier to replace a bad valve later on.

Take a section of pipe for your cup and put in a knock out test caps. Knock out the center and discard.

Remove the remaining ring of the test cap and set aside.

Place your membrane over the section of pipe and replace the ring.

Trim excess membrane material.

Use a second knock out test cap for a cover.

Make as many cups as you want for cheap.

Change/replace membranes in seconds.

I rarely ever clean a cup. 

Store my paint in them as well.

Want a 2" cup? Put in a 3x2 reducer fitting and make a 2" cup.

Same for 1.5"

Change sizes in seconds.

Change cups in seconds.

mate thanks . i think ive got almost everything now,just missing the test cap. now i know the reason of the plexiglass sheets. his flat cap must be empty like mine, so ill have to seal it against something

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55 minutes ago, ddl said:

mate thanks . i think ive got almost everything now,just missing the test cap. now i know the reason of the plexiglass sheets. his flat cap must be empty like mine, so ill have to seal it against somethin

Tried to add a picture but the system won't let me.

Pm me your email and I'll send you some pics.

There's no need for plexiglass with a flat cap.

The cap is made to seal off the end of the pipe.

You want the flat cap so it sits level unlike a domed type cap.

The fluid bed cup seals off the only opening.

Other than the hole you made to mount your air valve of course.

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