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Tyco RFII Concealed Pendent Fire Sprinkler | TY3531 | Quick Response | 5.6K | 155F | 51-792-1-155

Tyco TY3531 Quick Response Concealed Pendent Fire Sprinkler activates at 155F (68C). This UL listed fire sprinkler features a 5.6K orifice and a 1/2 in. (12.7 mm) NPT connection.
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Tyco TY3531 Quick Response Concealed Pendent Fire Sprinkler delivers decorative, competitively priced defense against fire in ordinary-temperature applications. Using a heat-activated 3mm glass bulb, this automatic fire sprinkler opens when ambient temperatures reach 155F (68C), reducing the likelihood of flashover and facilitating safe evacuation.

Choose from a factory-finished white cover plate, brushed chrome cover plate, polished chrome cover plate, or painted black cover plate that mounts flush to the ceiling for minimal visual impact. When temperatures near the ceiling reach 139F (59C), the soldered cover plate detaches, exposing the head of the Tyco TY3531 concealed pendent fire sprinkler, which activates when temperatures reach 155F (68C).

The Tyco Model TY3531 has a 5.6 K-Factor and installs with 1/2 in. (12.7 mm) National Pipe Thread (NPT), used in fire sprinkler systems throughout the United States. This Quick Response Fire Sprinkler features a bronze frame, bronze deflector, and a beryllium-nickel seating assembly with PTFE.

With a maximum working pressure of 175 PSI FM or 250 PSI UL (12.1 BAR FM or 17.3 BAR UL), this pendent sprinkler hangs from above-ceiling piping behind a decorative cover plate. Pendent sprinklers direct the water stream downward against the deflector to distribute water in a circular or conical discharge pattern. and may be installed and used in accordance with NFPA 13 and local fire code. Each Model TY3531 sprinkler is made by Tyco, a global manufacturer with more than a half-century in the fire protection industry.

This product is UL-listed, and appropriate for use in fire protection systems when accepted by the authority having jurisdiction. In accordance with NFPA 13, a higher temperature rating may be required when installing a quick response fire sprinkler in or near heat sources, unventilated spaces, uncovered steam mains, or uninsulated rooftops. Concealed pendent sprinklers should not b

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