Foam/water ESFR sprinklers for automatic fire-extinguishing
ESFR Sprinklers “Aqua-Gefest” К=К=1,91/362/25
Marking
СУS0 – РНо1,91 – R1/P57(68,79).B2 – «Aqua-Gefest»
Description
Pendent ESFR Sprinkler “Aqua Gefest”.
Sprinklers have 3mm JOB bulb with 57°С and 68°С activation temperatures.
Sprinkler frames are made from brass and may have galvanic anti-corrosive cover (chrome) or polymeric cover in accordance with RAL catalogue.
Purpose
Sprinklers are used automatic extinguishing installations for protection high-rack storages with stationary and movable racks of 12,5 meters high and for protection of compartments of 20m high as standard sprinkler.
Technical parameters
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Operating pressure, МPа: water foam |
0,1–1,0 MPа 15–1,0 MPа |
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Sprinkler intensity at the 2,5m height and pressure: water foam |
0,48(0,90) 0,50(0,90) |
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| Size | 90х 55 mm | ||||
| Bulb diameter | 2,5 , 3, 5 mm | ||||
| Activation temperature | 57°, 68° , 79°,93°С | ||||
| K-factor, GPM/PSI (LPM/bar) | 25,0 (362) | ||||
| Weight | 0,22 kg | ||||
| Thread | R1 | ||||
| Heat capacity index (m·s) ½ |
50 |
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Diagram of irrigation intensity dependence on pressure at application of water (water solutions) and foam on 9,6 m2 protected area (one sprinkler)
Installation height 2,5m for upright water-mist sprinklers
Drawing of irrigation intensity for upright ESFR sprinklers with capacity factor К=1,91/362/25,0
water (water solutions)
foam
| Atomizer weight | 0,22 kg |
| Connecting thread | R 1 |
| Dimensions | 90х55 mm |
| Drencher or Sprinkler | Sprinkler |
| Installation orientation | Pendent |
| K-factor | 25 (362) |
| Outlet diameter | 24 mm |
| Performance factor | 1,91 |
| Protected area | 9,6 m2 |
| Sprinkler flask diameter | 3 mm |
| Sprinkler response temperature | 57°С, 68°С , 79°С |
| Thermal inertia coefficient | 45 (м*с) 1/2 |