The check valve in an antifreeze loop is to have a 1/32 hole in the clapper per NFPA 13-2007 7.6.3. We need an 1¼ for replacement, is there somewhere that these are available or do you normally drill a hole in the clapper? If you drill a hole is there a preferred style/brand for this?
Thank you, Bobby Gillett Sr. Project Manager Key Fire Protection, Inc. (731) 424-0130 office (731) 424-9285 fax (731) 267-4853 cell <mailto:bobby.gill...@keyfireprotection.com> bobby.gill...@keyfireprotection.com _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: supp...@firesprinkler.org To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org (Put the word unsubscribe in the subject field)
