Application Designed for installation on water lines in fire protection systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350DA shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect leaks and unauthorized water use.
Standards Compliance (Sizes 2 1/2″ – 10″ Horiz. & Vert.) (12″ Horizontal Only) • ASSE® Listed 1048 (Sizes 2 1/2″ thru 12″) • CSA® Certified B64.5 (Sizes 2 1/2″ thru 8″, & 12″) • AWWA Compliant C510 (Sizes 2 1/2″ thru 12″), and C550 • UL® Classified (Sizes 2 1/2″ thru 12″) • C-UL® Classified (Sizes 2 1/2″ thru 12″) • FM® Approved (Sizes 2 1/2″ thru 10″) • NYC MEA 147-99-M Vol 4 (2-1/2″ – 10) • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California (Sizes 2 1/2″ thru 12″) • NSF® Listed-Standard 61, Annex G* *(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
Features Sizes: 2 1/2″, 3″, 4″, 6″, 8″, 10″, 12″ Maximum working water pressure 175 PSI Maximum working water temperature 140°F Hydrostatic test pressure 350 PSI End connections (Grooved for steel) AWWA C606 (Flanged) ANSI B16.1 Class 125
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