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Valves
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NX009 –Wet Alarm Check Valve, DN150
UL approved TUNA® Wet Alarm Check Valve is a wet pipe sprinkler system water supply check valve installing in buildings not subject to freezing temperatures. It serves as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping.NX009 - Wet Alarm Check Valve is available with variety of sizes and connection styles to meet different design requirements.
Listings and Approvals
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Specification
Model NX009
Size 6" (DN150)
Inlet Connection Style FlangeGroove
Outlet Connection Style FlangeGroove
Shipping Weight 75 lbs/34 kg66 lbs/30 kg
Standard Finish Red Painted
Flange & Groove Spec. Flange: Class 150 ANSI B16.1 & Groove: C606 ANSI/AWWA
Required Accessories Standard Trim
Optional Accessories Retard Chamber, Water Motor Alarm, Alarm Pressure Switch
Installation Manner Vertically
Listings and Approvals UL
Certificates
TUNA Valves --- UL Certificate
Catalogues
Nanjing Fire products catalog