VIKING VK457 residential fusible link

VIKING VK457 Fire Sprinkler
BrandVIKING
Model Code VK457
TypeOpen-Orifice
ESFR?No
StandardsNFPA
Model Info

Viking Freedom Residential concealed pendent sprinkler VK457 is a small high-sensitivity solder link and lever residential sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired. The orifice design, with a K-Factor of 4.9 (70.6 metric), allows the sprinkler’s efficient use of available water supplies for the hydraulically designed fire-protection system. The sprinkler is pre-assembled with a threaded adapter for installation with a low profile small-diameter cover assembly installed flush to the ceiling.

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