Viking® 05497C Model D-1 Swing Check Valve, Groove x Groove, Valve Only, 2 1/2" short skirt • Certified to NSF/ANSI 372*

• Certified to NSF/ANSI 372* by IAPMO R&T

328” Orifice

F1FR56U1BN

TYCO Issue D QUARTZOID 5

200 Degree 23707JNE Fire Sprinkler Head

Viking® 05497C Model D-1 Swing Check Valve, Groove x Groove, Valve Only, 2 1/2" short skirt • Certified to NSF/ANSI 372*The 2. 5" D 1 groove x groove Viking Swing Check Valve is a general purpose rubber faced check valve approved for use in fire protection systems. The Model D 1 Swing Check Valve is manufactured with a ductile iron body, brass seat, and a rubber faced clapper assembly, hinged to a removable access cover for easy inspection and maintenance. The valve may be installed vertically or horizontally with access cover facing up. Item: Viking 05497C Model D 1