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Reducer pressure rating

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Reducer pressure rating

Unread postAuthor: wegz15 » Fri Dec 05, 2014 10:18 pm

First time posting. Can't figure this out. All the stuff I've been reading says to use pressure rated pvc. Pressure rated fittings will read NSF-PW on the piece. The 3" to 1.5" reducer I have and all I've seen online are not rated for pressure. I'm trying to make this http://www.qsl.net/k8blo/launchers.html

It seems all the pictures I've seen are using the standard pvc fitting from lowes/hd. Any help would be appreciated.
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Re: Reducer pressure rating

Unread postAuthor: jrrdw » Sat Dec 06, 2014 8:56 am

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Re: Reducer pressure rating

Unread postAuthor: wegz15 » Sat Dec 06, 2014 10:10 am

Ok...I've googled and checked the supplier links on the previous link. I cannot find a pressure rated 3 x 1.25 bell reducer. I thought McMaster would have had it for sure.
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Re: Reducer pressure rating

Unread postAuthor: jrrdw » Sun Dec 07, 2014 1:20 pm

Does it have to be a bell reducer? You could probably get a coupler and bushing...
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Re: Reducer pressure rating

Unread postAuthor: wegz15 » Sun Dec 07, 2014 1:24 pm

No. I was going to head back to Lowe's and check the ratings on those. I also thought of switching from 3" to multiple 2"
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