fire safety water sprinkler upright is an automatically operated fire fighting equipment. There is a glass bulb in it that senses the rise in temperature. For standard response, 5 mm bulb is installed in the fire sprinkler upright and for quick response, 3 mm bulb is installed, at 68°C.
Size. 1/2″ BSPT / NPT.
Material Brass ASTM B36.
Type SR Standard Response (5 mm glass bulb).
QR Quick Response (3 mm glass bulb).
Pressure Max Working Pressure 175 PSI.
Testing Pressure. 100% tested in 500 PSI.
Temperature 68°C (155°F) or 79°C (175°F).
Fire Safety shop:
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