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Senju Fire Sprinkler 5.6K White Flush Pendent QR 162F | SS2521

Senju ZN-QR Quick Response White Pendent Fire Sprinkler activates at 162F (72C) to defend ordinary hazard commercial occupancies against fire. This UL-listed fire sprinkler features a 5.6K orifice and a 1/2" (15 mm) NPT connection.
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Part NumberConstructionConnectionOrifice
SS2521WH162 Bronze Frame And Copper Alloy Deflector 1/2" (15 mm) NPT 5.6K
Temperature RatingSprinkler WrenchMaximum Working PressureApprovals and Listings
162F (72C) Wrench - Senju Socket Wrench for ZN Pendents 175 PSI (12.1 BAR) UL, ULC, NYC
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Product Description

Senju ZN-QR Quick Response White Pendent Fire Sprinkler delivers decorative, affordable defense against fire in ordinary hazard commercial occupancies such as universities, auditoriums, churches, and parking garages. Using a heat-activated fusible metal assembly, this automatic fire sprinkler opens when ambient temperatures reach 162F (72C), lowering ambient temperatures to reduce flashover and facilitating safe escape or rescue.

The Senju Model ZN-QR has a 5.6 K-Factor and installs with 1/2" (15 mm) National Pipe Thread (NPT), used in fire sprinkler systems throughout the United States. This Quick Response Fire Sprinkler features a white finish, copper alloy body, bronze frame, copper alloy deflector, and PFTE gasket.

With a maximum working pressure of 175 PSI (12.1 BAR), this pendent sprinkler hangs from above-ceiling piping and may be installed and used in accordance with NFPA 13 and local fire code. Each Model ZN-QR sprinkler is made by Senju, Japan's largest manufacturer of fire-suppression products.

This product is UL-listed, and appropriate for use in fire protection systems when accepted by the authority having jurisdiction.

Technical Documents

Click here to view the data sheet for the Senju ZN-QR Quick Response White Pendent Fire Sprinkler.

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