Senju Residential Fire Sprinkler 4.9K Brass Pendent 175F | SS4451
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|SS4451BR175||DZR brass frame and phosphor bronze deflector||1/2" (12.7 mm) NPT||4.9K|
|Temperature Rating||Sprinkler Wrench||Maximum Working Pressure||Approvals and Listings|
|175F (79C)||Wrench - Senju Socket Head for HF Heads||175 PSI (12.1 BAR)||UL, ULC|
|Usually ships within 48 hours|
Senju FR-RES Residential Fast Response Brass Pendent Fire Sprinkler delivers decorative, affordable defense against fire in ordinary hazard residential occupancies such as homes, apartments, dormitories, and hotels. Using a heat-activated fusible metal assembly, this automatic fire sprinkler opens when ambient temperatures reach 175F (79C), lowering ambient temperatures to reduce flashover and facilitate safe escape.
The Senju Model FR-RES has a 4.9 K-Factor and installs with 1/2" (12.7 mm) National Pipe Thread (NPT), used in fire sprinkler systems throughout the United States. This Residential Fast Response Fire Sprinkler features a brass finish, DZR brass frame, phosphor bronze deflector, and nickel/PTFE spring assembly.
With a maximum working pressure of 175 PSI (12.1 BAR), this pendent sprinkler hangs from above-ceiling piping behind a decorative cover plate and may be installed and used in accordance with NFPA 13, NFPA 13R, NFPA 13D and local fire code. Each Model FR-RES 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.