ESFR(Early SuppressionFast Response) FIRE SPRINKLER K242=K16.8, K363=K25.2
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Style
Upright
Pendant
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Model
ESFR 16.8(242) and ESFR 25.2(363)
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Material
Bronze forging
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Surface finish
Natural brass
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Normal diameter (mm)
DN20 or DN25
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Connecting thread (inch)
R3/4" or R1" NPT/BSPT
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Response element
Fusible alloy
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Operating Temperature
68°C/74°C/82°C/100°C
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Response type
Fast
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K factor
242 (16.8@ US) or 363 (25.2 @ US)
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Working pressure
0.1 MPa - 1.2 Mpa(1 bar - 12 bar)
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Seal material
Rubber O-ring
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Ceiling Height
Greater than 45ft(13.7m) up to and including 48ft(14.6m) and a storage arrangement up to including 43ft(13.1m)
ESFR-363/242 early suppressionquick response sprinkler is the sprinkler with the largest flow and diameter in the world which is a major component of the automatic sprinkler system. It is mainly used to detect fire and automatically extinguish it.ESFR-363 sprinklers fast response and deliver more water to suppress fire than regular sprinklers. ESFR-363/242 sprinklersbe permitted to be used to protect general hazardous locations, warehouses storing Class I-IV items, plastic items and miscellaneous items. This system, installed at the ceiling, use large volumes of water delivering large water droplets at a high velocity to knock down the fire plume and provide enhanced protection for High Piled Storage.
