Model B-1 Upright and Pendent Foam-Water Sprinklers are air-aspirating foam discharge outlets designed for use in foam-water deluge systems. They are designed for flammable liquid risks where it is desired to apply foam from overhead sprinklers (either upright or pendent') and where follow-up with plain water in a standard spray sprinkler pattern is necessary as in the case of NFPA
16. Standard for the Installation of Foam-Water Sprinkler and Foam-Water Spray Systems." It is recommended that the end user be consulted with respect to the suitability of the materials of construction for any given corrosive environment The effects of ambient temperature. concentration of chemicals. and gas chemical velocity. should be considered. at a minimum, along with the corrosive nature to which the sprinklers may be exposed. The Model B-1 Foam-Water Sprinkler is a re designation for the Gem Issue B-1 and Star Model B-1 Sprinklers
Discharge outlets and foam concentrates are Listed for use together. Refer to the
individual foam concentrate Listing for operating limitations and compatibility with
the B-1 Foam-Water Sprinklers as provided in the UL Fire Protection Equipment
Directory, The rylodel B-1 Upright and Pendent Foam-Water Sprinklers meet the
requirements of: MIL-S-901 C
Maximum Working Pressure 175 psi (12.1 bar)
Discharge Coefficients K=3.0 GPMl/psi1/2 (43.2 LPM/barl/2
Thread Connection 1/2 in NPT
Finish Natural Brass
Physical Characteristics
Body:Brass
Brass Deflector:Brass
Brass Agitator Brass:Bass
Low Expansion Foam Sprinkler Nozzle
Low Expansion Foam Sprinkler Nozzle