Pressure Rated Fittings

MisterSteve124 · Sun Apr 09, 2006 9:58 pm

Do fittings have to be pressure rated? I bought some fittings and I can't find anything on them that says its pressure rated. So do fittings even come pressure rated?

spudshot · Mon Apr 10, 2006 5:40 am

yes they do need to be pressure rated they should say NSF-PW, if they say NSF-DWV then they're non pressure rated and only good for combustions. the pipe must also have a pressure rating stamped on it.

MisterSteve124 · Mon Apr 10, 2006 9:30 am

So if I'm making a combustion will those fittings be ok?

screamingflea · Mon Apr 10, 2006 10:48 am

They should be, atleast according to spudshot and my combustion.

Atlantis · Mon Apr 10, 2006 7:31 pm

My entire combustion cannon is made from NSF-DWV, even the pipe itself. It's safe, I haven't tried propane though.

rna_duelers · Tue Apr 11, 2006 1:13 am

Yeh i have a DWV combustion hasnt exploded yet.but look out in cold weather use,the pipe goes brittle

evileye250 · Tue Apr 11, 2006 6:58 pm

AHHHHHH F! I made a pneumatic cannon and used a 90 NSF-DWV. I didnt know it wasnt pressure rated. My 3'' pvc said NSF-DWV and it said 260 psi. I had it up to 60psi and it didnt explode. I was going to get it up to about 110psi when i get a new pump. Will i be ok?

Oh yea not to mention i had it up to 50psi in 30 degrees ferinheight weather.