Model B-1 Upright And Pendent Foam-Water Sprinklers Are Air-Aspirating Foam Discharge Outlets Designed For Use

In Foam-Water Deluge System. 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 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 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 Designation For The Gem Issue B-1 And Star Model B-1 Sprinklers.

Technical Data

Discharge Outlets And Foam Concentrates Are Listed For Use Together. Refer To The

Individual Foam Concentrate Listing Of Operating Limitations And Compatibility With

The B-1 Foam-Water Sprinklers As Provided In The UL Fire Protection Equipment 

Directory, The Model B-1 Upright And Pendent Foam-Water Sprinklers Meet The

Requirements Of: MIL-S-901C 

Maximum Working Pressure 175 psi (12,1 bar)

Discharge Coefficients K=3.0 GPM/psi1/2 (43,2 LPM/bar1/2)

Thread Connection 1/2 In. NPT 

Finish Natural Brass

Physical Characteristics 

Body --------------------------- Brass

Deflector ----------------------------- Brass

Agitator ------------------------------ Brass