Generally you have a control valve assembly of some sort on each floor so you can isolate and test each floor. Personally, I don't see any value in the check valve.
Craig L. Prahl, CET Fire Protection Group Mechanical Department CH2MHILL Lockwood Greene 1500 International Drive PO Box 491, Spartanburg, SC 29304-0491 Direct - 864.599.4102 Fax - 864.599.8439 [EMAIL PROTECTED] http://www.lg.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Wednesday, April 11, 2007 9:29 AM To: [email protected] Subject: Check Valves on Sprinkler Control Stations Not a code requirement but is it good practice to install a check valve on floor control stations for a multi story building or high-rise etc. The intent would be for maintenance work to the riser that all of the system valves would not have to be closed and the floor systems would not be drained inadverntly. Anyone installing chack valves here or not worth the expense? Are there any other benefits? Thanks _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
