The Reliable Model GL 112 Quick Response sprinkler utilizes
a levered fusible alloy solder link in 165°F (74°C), 212°F
(100°C). The sprinkler has been designed to control high
challenge fires in both palletized and rack storage occupancies,
utilizing relatively low water pressures. This sprinkler
is available with the standard ¾” NPT (R¾) thread for new
It has been proven in full scale fire testing, has complied
with the applicable mechanical and hydraulic sections of the
latest sprinklers standard, and has Factory Mutual Approval.
This product is intended for use as a “Quick Response”
storage sprinkler in hydraulic designed systems with a minimum
pressure of 7 psi (0.5 bar) in accordance with the area
density curves of NFPA 13* standards.
Note: Some sprinkler head may or may not have Teflon tape applied. The heads have never been installed.