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Pressure Outside DWV

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Pressure Outside DWV

Unread postAuthor: Atlantis » Mon May 29, 2006 11:33 am

In a coaxial for example, would it be safe to use a DWV coupling on the barrel as a sealing face? This way I would'nt have to worry about cutting a smooth surface. i'll probably just get a PW one but I was just wondering.
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Unread postAuthor: CS » Mon May 29, 2006 11:42 am

DWV is wrong in your title...

Your question can be simply answered with yet another question. Will this part being experiencing any amount of force for any amount of time?
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Unread postAuthor: drac » Mon May 29, 2006 11:50 am

Obviously because the sealing face will be pressing against it. I don't think it's gonna make a difference because the DWV is the same type of PVC, not any lighter or anything, all that's different is the bonding aread, which plays no part in this.

The barrel experiences force, so I don't know why a coupling shouldn't be able to hold up.
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Unread postAuthor: Atlantis » Mon May 29, 2006 1:21 pm

Ok thanks, since I can't cut smooth surfaces myself I'll probably have to add a coupler. Would I need to glue it on? I'm guessing yes.
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Unread postAuthor: frogy » Mon May 29, 2006 2:15 pm

If it's DWV PVC it's probably fine... The company's just say DWV just to cover their butts because it COULD cause shrapnel... but a couplins blowing out most likely wouldn't do any damage if it somehow did break...

If it's DWV ABS it's 100% fine in a Combustion... I'm not sure about a Pneumatic ABS though...

for "glueing" ABS use ABS Cement

for "glueing" PVC use Primer first (normally purple) then wait about 30 seconds for the pipe to "melt" (you can't see it "melt") and then use PVC glue

If you must resort to All Purpose Cement make sure it's for ABS, PVC, and CPVC (All Purpose isn't as good in my opinion)

"glueing" pipes is called Solvent Welding because the pipes get bonded together as if you welded them
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Unread postAuthor: )DEMON( » Mon May 29, 2006 2:20 pm

yes, we all know thanks.
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Unread postAuthor: drac » Mon May 29, 2006 2:21 pm

frogy wrote:If it's DWV PVC it's probably fine... The company's just say DWV just to cover their butts because it COULD cause shrapnel... but a couplins blowing out most likely wouldn't do any damage if it somehow did break...

If it's DWV ABS it's 100% fine in a Combustion... I'm not sure about a Pneumatic ABS though...

for "glueing" ABS use ABS Cement

for "glueing" PVC use Primer first (normally purple) then wait about 30 seconds for the pipe to "melt" (you can't see it "melt") and then use PVC glue

If you must resort to All Purpose Cement make sure it's for ABS, PVC, and CPVC (All Purpose isn't as good in my opinion)

"glueing" pipes is called Solvent Welding because the pipes get bonded together as if you welded them


No more drunken ramblings please...

EDIT: DAMMIT DEMON! :lol:
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