Foam/water ESFR sprinklers for automatic fire-extinguishing
ESFR Sprinklers “Aqua-Gefest” К=242
Marking
СУS0-РНо(д) 1,28– R¾./ 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
K-factor |
242 |
Orifice |
19,5 mm |
Activation temperature |
57°, 68° , 79°,93°С |
Bulb diameter |
3 mm |
Operating pressure |
0,1 – 1,2 MPa |
Heat capacity index |
45 (m*s) 1/2 |
Sprinkler intensity at the 5m height and pressure: 0,1 MPа 0,3 МPа |
0,32 0,52 |
Thread |
3/4 inches |
Size |
90х70 mm |
Weight |
0,22 kg |
Atomizer weight | 0,22 kg |
Connecting thread | 3/4 |
Dimensions | 90х50 mm |
Drencher or Sprinkler | Sprinkler |
Installation orientation | Pendent |
K-factor | 16,8 (242) |
Outlet diameter | 19,5 mm |
Performance factor | 1,28 |
Sprinkler flask diameter | 3 mm |
Sprinkler response temperature | 57°С, 68°С , 79°С |
Thermal inertia coefficient | 45 (м*с) 1/2 |