Material Number NLG800N, LD-3510 - Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed On NIBCO
TrimFit Bronze Butterfly Valve - (FNPT) UL/cULus/FM 2 in.
Guide to Butterfly Valves for Fire Protection
Model REL300GT & REL300GTC Butterfly Valve Grooved Tapped Body | Reliable Sprinkler
UL FM Wafer Type Butterfly Valves | Fire sprinkler system, Fire safety, Fire systems
Fire Protection Butterfly Valves
BFV-300/BFV-300C Grooved End Butterfly Valve with Internal Supervisory Switches - General Purpose Valves - System Control Valves - General Purpose Valves - Products | JCI Webshop