The DV-5A features a lower pressure drop and higher pressure rating of up to 300 PSI (compared to the original DV-5 valve). It also features a reduced footprint and integrated alarm port to make installation and maintenance easier. The integra...
US20060021762 Jul 27, 2004 Feb 2, 2006 Tyco Fire Products Lp Double interlock, preaction residential dry sprinkler fire protection system with a releasing control panelUS20060021762 * 2004年7月27日 2006年2月2日 Tyco Fire Products Lp Double interlock, preaction residential dry sprinkler fire ...
Wilkins, “The Use of Specific Application Sprinklers for Protecting Attics”, Tyco Fire & Building Products, pp. 1-92 (Oct. 21, 2007). Office Action dated Oct. 26, 2015 in U.S. Appl. No. 62/246,561. Office Action dated Jul. 20, 2017 in U.S. Appl. No. 15/222,770, by...