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Cam Locks

A place to ask general spud cannon related questions.
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Cam Locks

Unread postAuthor: King_TaTer » Mon May 19, 2008 9:48 pm

I have a problem regarding the use of cam locks.

I have done a lot of searching all over the place and have come short of a demonstration and/or the proper way of installing one on to a spud gun. I have found websites that sell them but I was confused becuase I'm not even sure how to attach a metal cam lock to PVC :o

So if anyone could supply a simple picture/diagram that explains it that would be awsome, thanks :wink:
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Unread postAuthor: starman » Mon May 19, 2008 10:14 pm

Here's how I've done it. These are 2" camlocks. This one has a 2" female thread and uses a 2" male to 3" male adapter (my chambers have a 3" threaded breech port)

Image

This one has a 2" male thread and uses a 3" male to 2" female reducer bushing to interface to the 3" threaded breech...

Image

This second one makes for a more compact installation. Hopefully this is detail enough for you. The adapters and bushing can be purchased where you buy the camlocks....Northern Tool in my case.

The metal ones are threaded and work the same way. You can thread them directly into the PVC threads. Be sure you use pipe dope for a good seal there.
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Unread postAuthor: King_TaTer » Mon May 19, 2008 10:38 pm

Yeah thanks man I have a much better of understanding of them now. I think I would just have to start messing around with them to fully comprehend how to use them.

I do have some more questions though. What sealant/dope did you use to seal the metal and PVC? and, How high do you think the seal is rated?
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Unread postAuthor: willarddaniels » Tue May 20, 2008 12:04 am

Use teflon tape to seal the joint.
I believe threaded connections are rated at 50% that of the same size pipe. ... At least that is what I read on a spec sheet for metal fittings once.
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Unread postAuthor: starman » Tue May 20, 2008 12:19 am

King_TaTer wrote:Yeah thanks man I have a much better of understanding of them now. I think I would just have to start messing around with them to fully comprehend how to use them.

I do have some more questions though. What sealant/dope did you use to seal the metal and PVC? and, How high do you think the seal is rated?


Yep you can use teflon, I've found it to still leak just a tad sometimes on the big threaded joints, nothing serious usually. Certainly seals plenty well for 1x combustion guns. Pipe dope will usually seal it shut...just use it liberally. Find it where they sell the cements and solvents....most work on metal and PVC threads alike.

I can't give you a good answer on the rating....Willards answer seems conservative enough. Your threaded connections typically do seem to be the first joints that fail or show wear so 50% makes sense.
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Unread postAuthor: King_TaTer » Tue May 20, 2008 2:06 pm

Alright i'll have to try that. Thanks for all your help guys, 'preciate it
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