Pro/Forums - View Single Post - O-ring sucks. can't make it leakproof.

bigben2k · 02-09-2003, 05:45 PM

I haven't had problems spec'ing out an o-ring, but my block isn't built yet

I can outline it all (searching for notes...)

Here are some of the considerations:
1-Your channels must be smooth (if you sandblasted them, you're scre*ed). You can compensate for this with a softer o-ring (durometer rating).

#2-The channel must be wider than the ring, and the ring must sit perfectly in the middle of it. This of course applies nicely to round seals, but I believe that in your case, it's not; you'll have to calculate the length of the center of your channel, and make sure that it matches your o-ring.

I've got a couple more notes to add, but it'll have to wait... One thing at a time!

02-09-2003, 05:45 PM	#5
bigben2k Responsible for 2% of all the posts here. Join Date: May 2002 Location: Texas, U.S.A. Posts: 8,302	I haven't had problems spec'ing out an o-ring, but my block isn't built yet I can outline it all (searching for notes...) Here are some of the considerations: 1-Your channels must be smooth (if you sandblasted them, you're scre*ed). You can compensate for this with a softer o-ring (durometer rating). #2-The channel must be wider than the ring, and the ring must sit perfectly in the middle of it. This of course applies nicely to round seals, but I believe that in your case, it's not; you'll have to calculate the length of the center of your channel, and make sure that it matches your o-ring. I've got a couple more notes to add, but it'll have to wait... One thing at a time! __________________ WBTA (Water Block Testing Alliance) Nordic Hardware WC 101