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Manufacturer: Paratech, Co., Ltd.
Brand: FESCO
Model: PI311
Pipe Size: 1/2"
Installation Direction: Upright
Finish: Brass
Type: Glass Bulb
Reaction Speed: Quick
Operation Temperature: 155°F / 200°F /286°F
K Factor: 5.6
Date Code: 2023
This Paratech Quick Response Upright sprinkler head features a glass bulb activating at 155/200/286 °F with a K-Factor of 5.6 and a 1/2" NPT. The PI311 is used in commercial/residential properties and is cULus listed for use when installed in accordance with NFPA13 rules for wet pipe sprinkler systems.
This Sprinkler contains a glass bulb that consists of a special liquid. Unlike conventional fuses, the glass bulb design simplifies the sprinkler assembly and size, ensuring stable operation at the designated temperature.