ESFR nozzle “Aqua-Gefest” К=242
Marking
Description
Pendent ESFR Drencher “Aqua Gefest”.
Drencher frames are made from brass and may have galvanic anti-corrosive cover (chrome) or polymeric cover in accordance with RAL catalogue.
Purpose
Drenchers 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°С, 68°С , 79°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 |
0,38 0,65 |
|
Thread |
3/4 inches |
|
Size |
90х70 mm |
|
Weight |
0,22 kg |
Diagram of water irrigation intensity dependence on pressure on the protected area of 9,6 m2 for upright ESFR nozzles
Drawing of irrigation intensity for upright ESFR nozzles with capacity factor К=1,28/242/16,8
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| Performance factor | 1,28 |
| Dimensions | 90х75 mm |
| Outlet diameter | 19,5 mm |
| Drencher or Sprinkler | Drencher |
| Protected area | 9,6 м2 |
| K-factor | 16,8 (242) |
| Atomizer weight | 0,22 kg |
| Installation orientation | Upright |
| Connecting thread | 3/4 |