FIRE SPRINKLER FIRE SPRINKLER PENDANT TYPE SPRINKLER DESCRIPTION BIS SPEC Temprature Rating155°F/68°C Glass Bulb ColourRed Thread SizeNPT1/2" or R1/2" Max Service Preesure175psi Glass Blub (Diameter (mm)5 UPRIGHT TYPE SPRINKLER DESCRIPTION BIS SPEC Temprature Rating155°F/68°C Glass Bulb ColourRed Thread SizeNPT1/2" or R1/2" Max Service Preesure175psi Glass Blub (Diameter (mm)5 SIDE WALL TYPE SPRINKLER DESCRIPTION BIS SPEC Temprature Rating155°F/68°C Glass Bulb ColourRed Thread SizeNPT1/2" or R1/2" Max Service Preesure175psi Glass Blub (Diameter (mm)5 CONCEALED TYPE SPRINKLER DESCRIPTION BIS SPEC Temprature Rating155°F/68°C Glass Bulb ColourRed Thread SizeNPT1/2" or R1/2" Max Service Preesure175psi Glass Blub (Diameter (mm)5