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fire extinguisher problems

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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fire extinguisher problems

Unread postAuthor: urgle the danish cow » Sun Mar 17, 2013 5:10 pm

hey i have a fairly new fire extinguisher that would be a great air tank for a current project but how can i make an air tight seal in connecting it to standard piping? when i screw in 3/4 inch galvanized piping it only goes an 1/8 th of an inch deep before getting stuck and askew. im sure this has already been asked but i would appreciate the help.
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Unread postAuthor: dewey-1 » Sun Mar 17, 2013 6:07 pm

What brand and model?
Pictures?

What thread is your 3/4 pipe? NPT. BSPT, BSPP

If you have caliper, measure ID of extinquisher thread.

Here is example of extinquisher as chamber.
http://www.spudfiles.com/forums/viewtop ... tml#236916


Note internal construction:
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Last edited by dewey-1 on Sun Mar 17, 2013 6:48 pm, edited 2 times in total.
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Unread postAuthor: jsefcik » Sun Mar 17, 2013 6:15 pm

What ive seen done it grind off that nipple nd weld on a new piece nipple with the correct threads on it
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Unread postAuthor: urgle the danish cow » Tue Mar 19, 2013 12:27 pm

dewey-1 wrote:What brand and model?
Pictures?

What thread is your 3/4 pipe? NPT. BSPT, BSPP

If you have caliper, measure ID of extinquisher thread.

Here is example of extinquisher as chamber.
http://www.spudfiles.com/forums/viewtop ... tml#236916


Note internal construction:


Yeah mine has that tube running down it ill post a picture soon
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Unread postAuthor: AlanFoy » Mon Sep 30, 2013 5:45 am

Hey did you solve your problem? How did you fixed it? Please share the solution.
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