Viking Corp.
The VK506 early suppression fast response (ESFR) pendent sprinkler has a K factor of 22.4 (320) for use in storage applications. Can be installed with the deflector located between 6 and 18 inches below the ceiling in buildings up to 45 feet high and storage heights up to 40 feet, without the use of in-rack sprinklers.
T&S Brass: T&S LYNC
AAF International: AstroCel III Aero
Bentley: In Concert
Russelectric: ATS Remote Annunciator RTS-RA
Grass America: Institutional Hinges