Description
HD Pendent and Upright sprinklers are designed for use in light and ordinary hazards. The temperature response is standard response (5mm glass bulb) and quick response (3mm glass bulb). The sprinklers come with compact design, glass bulb type, available in several different finishes and temperature ratings. The pendent sprinklers must be installed in pendent position, and upright sprinklers are to be installed in the upright position. Pendent Recessed Sprinklers are installed with adjustable or non-adjustable Escutcheon plates (also
termed as Rosette plates). These are intended to be installed with finished ceilings. Escutcheon plate adjustment provides convenience in Pendent Sprinkler installation in case of areas with finished ceilings or walls.
SPRINKLER RATINGS
SPRINKLER
TEMPERATURE
CLASSIFICATION
NORMAL
SPRINKLER
TEMPERATURE
RATING
NFPA MAXIMUM
CEILING
TEMPERATURE
ALLOWED
GLASS
BULB
COLOUR
Ordinary 57°C (135°F) 38°C (100°F) Orange
Ordinary 68°C (155°F) 38°C (100°F) Red
Intermediate 79°C (175°F) 66°C (150°F) Yellow
Intermediate 93°C (200°F) 66°C (150°F) Green
High 141°C (286°F) 107°C (225°F) Blue
Extra High 182°C (360°F) 149°C (300°F) Purple
As per Table 6.2.5.1 NFPA 1
