Velo sprinkler arrangement for protecting special occupancy...

A - Human Necessities – 62 – C

Patent

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Details

A62C 35/00 (2006.01) A62C 35/58 (2006.01) A62C 37/08 (2006.01) B05B 1/26 (2006.01) B05B 15/00 (2006.01)

Patent

CA 2262886

In the typical sprinkler arrangements described in the specification, effective protection for certain special occupancy hazards is achieved with a low pressure water supply using VELO sprinklers (10) having a K factor of at least 14 (200 metric) arranged in arrays (76, 78, 80, 82) in which the sprinklers are spaced by ten feet (3 meters) in two orthogonal directions or by ten feet (3 meters) in one direction and by eight feet (2.4 meters) in an orthogonal direction. The commodities to be protected are stored in racks (60, 62, 64, 66) extending parallel to one of the orthogonal directions. For most hazards, a water pressure of 7 psi (0.5 bar ) is effective with sprinklers (10) having a K factor of 14 (200 metric). For plastic materials, a water pressure of 12 psi (0.8 bar) is effective for sprinklers having a K factor of 14 (200 metric) and, using sprinklers having a higher K factor, the pressure can be reduced to 7 psi (0.5 bar).

L'invention concerne des dispositifs à spinkleurs assurant une protection efficace contre certains risques spéciaux grâce à une alimentation en eau à basse pression au moyen de sprinkleurs VELO (à très grands orifices) (10) ayant un coefficient K d'au moins 14 (200 métriques) disposés en réseaux (76, 78, 80, 82) dans lesquels les sprinkleurs sont espacés de dix pieds (3 mètres) dans deux axes orthogonaux ou de dix pieds (3 mètres) dans un axe et de huit pieds (2,4 mètres) dans un axe orthogonal. Les biens à protéger sont rangés dans des casiers (60, 62, 64, 66) s'étendant parallèlement à un des axes orthogonaux. Pour la plupart des risques, une pression de 7 psi (0,5 bar) est efficace avec des sprinkleurs (10) ayant un coefficient K de 14 (200 métriques). Pour les matières plastiques, une pression d'eau de 12 psi (0,8 bar) est efficace pour les sprinkleurs ayant un coefficient K de 14 (200 métriques), la pression pouvant être réduite à 7 psi (0,5 bar) avec des spinkleurs ayant un coefficient K plus élevé.

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