I was taught normally open. It always made sense to me to be that way.
Travis Mack, SET MFP Design, LLC 2508 E Lodgepole Drive Gilbert, AZ 85298 480-505-9271 fax: 866-430-6107 email:[email protected] http://www.mfpdesign.com https://www.facebook.com/pages/MFP-Design-LLC/92218417692 Send large files to us via: https://www.hightail.com/u/MFPDesign On 1/2/2015 8:31 AM, Dewayne Martinez wrote:
Fire pump bypass valves, normally open or closed? I did not see anything in NFPA 20 on it and thought they were normally open but I had a bid drawing come past with me that specified normally closed valves. Thanks, Dewayne _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
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