1/2" UPRIGHT SPRINKLER, Quick Reaction, Brass, UL/FM Listed

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

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.