U.S. Smoke & Fire Hose Stream 120 (SFS) is an opening protective that meets the requirement for a 90-minute fire protection rating and therefore can be used in a two hour fire rated wall assembly.
Please see below IBC TABLE OPENING FIRE PROTECTION ASSEMBLIES
The U.S. Smoke & Fire Hose Stream 120 is tested to UL 10B and has a minimum of 1 1/2 hour fire protection rating to be sufficient for an opening protective in a 2- hour fire barrier enclosing wall per IBC Table. A hose stream test (ASTM E2226) is conducted as part of the fire endurance testing and the shall have passed this test.
The head-box is mounted utilizing threaded rods and unistruts. For power, 120V to motor side of the head-box. The Steel-Tex Fire Shutter (SFS) will release when receiving a signal from the fire alarm system (FAS). Push to exit buttons are installed for egress. Leading edge safety sensor option. BMS relay option. Beam Sensor option.
Hose Stream 120 Installed Back to Back
Please note that two systems each with a fire protection rating of 1 1/2 hour, installed on opposing sides of the same opening in a fire wall, shall be deemed equivalent in fire protection rating to one 3-hour system per IBC table a.- Harmathy's Principle