Tom, you might expore "shim gaskets" in the Internet.
Ed Vining 4819 John Muir Rd Martinez CA 94553 925-228-8792 Cell 787-0465 On Fri, Feb 11, 2011 at 12:17 PM, Tom Duross <[email protected]> wrote: > Thanks for the responses, I thought the thread was dead (no pun). The > system side is 1/8" lower than the street side so something has to spring > or > the riser shortened and it's 8" s40 threaded into flanges, 40 years old. > Pipe stands are what I plan to use, 3/4" rod inside 3/4" pipe with a 10" > riser clamp around the wafer check and brackets for 30 degree braces to the > wall. They were never lined up right I found when it dropped and it's > right > below a 4' duct where the valve-check-valve assembly is, so no way to hang > from structure. There also is no o-ring (as one might expect), just flat > faces to mate to the OS&Y flanges. I was thinking of some RTV sealant as a > high tack to hold the gaskets and maybe help seal but I'm still going to > have misalignment which is my original quandary. Use really long wrenches > on the 3/4" rods? Double gaskets? > > > More hangers will not work. The pipe develops "memory" and springs to that > spot. Pipe stands can help, but often there is other stuff in the way. > Short > of chasing the leak around the flange, gaskets are the only control. > Are crush gaskets still available? > > Matt > > Sent from my phone thingy. > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
