Large orifice esfr sprinkler arrangement

Details Large orifice esfr sprinkler arrangement Large orifice esfr sprinkler arrangement

A - Human Necessities

62

C

A62C 37/08 (2006.01) A62C 37/11 (2006.01)

Patent

CA 2385352

A large orifice ESFR sprinkler arrangement (10) has a sprinkler body (12) with a frame (22) supporting a deflector (40). The sprinkler body (12) has an orifice (18) providing a K factor of at least 16, preferably 22. A thermally responsive assembly (52) retains a sealing structure (5) in the orifice (18). A guard ring (74) projects from a strut member (60) in the thermally responsive assembly (52) to protect the glass bulb (70).

L'invention concerne un extincteur ESFR à grand orifice (10) qui comprend un corps de l'extincteur (12) muni d'un cadre (22) servant de support à un déflecteur (40). Le corps de l'extincteur (12) comporte un orifice (18) ayant un facteur K d'au moins 16, de préférence 22. Un ensemble thermosensible (52) retient une structure d'étanchéité (5) dans l'orifice (18). Un anneau de garde (74) prolonge un élément en nacelle (60) dans l'ensemble thermosensible (52) afin de protéger l'ampoule de verre (70).

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