Title: TFP171_11_2015.pdf
Finishes Sprinkler: Refer to Table D.Recessed Escutcheon: Signal or Pure White, Jet Black, Chrome Plated, or Natural BrassPhysical Characteristics Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bronze Button . . . . . . . . . . . . . . . . . . . . . . Brass/Copper Sealing Assembly . . Beryllium Nickel w/TEFLON Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glass Compression Screw . . . . . . . . . . . . . . . . .Bronze Deflector . . . . . . . . . . . . . . . . . . . Copper/Bronze Bushing (K=2.8) . . . . . . . . . . . . . . . . . . . . .BronzeOperation The glass bulb contains a fluid that expands when exposed to heat. When the rated temperature is reached, the fluid expands sufficiently to shatter the glass bulb, allowing the sprinkler to activate and water to flow.