FR-QR (SS2551) Pendent Sprinkler Head Only (205°F), QR, K=5.6, BlackPart #
Approvals UL, FM
Thread Size1/2” NPT (15mm)
Maximum Working Pressure 175psi (12.1 bar)
Temperature Rating 205°F/96°C
Overall Length 2-13/64" (56mm)
1/2 inch (12.7mm) with D1 Recessed Escutcheon*, or
3/4 inch (19.05mm) with D2 Recessed Escutcheon (approved by UL only).
*Due to FM Approval Standard 3.2.13 by Class Number 2000, use in combination with a sprinkler head rated higher than 255°F is not approved by FM.
- Designed for use in light and ordinary hazard commercial occupancies
- Laser etched lot on frame
- Solder link type makes it more durable than glass bulb sprinklers
WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov