Viking® VK178, Standard, Dry Sprinkler, 5.6K, Standard Adjustable, Horizontal Sidewall, QR, 1” NPT, White With Chrome Escutcheon, 155 Degree, 12” Length, 08384UMFB/W12 Fire Sprinkler Head 57-390-1-155 Key: MasterBreakLockKey

Key: MasterBreakLockKey

which eliminates the need for cutting the shaft

49-421-1-065

The orifice design

Item:  RASCO/Reliable® RA3624

Viking® VK178, Standard, Dry Sprinkler, 5.6K, Standard Adjustable, Horizontal Sidewall, QR, 1” NPT, White With Chrome Escutcheon, 155 Degree, 12” Length, 08384UMFB/W12 Fire Sprinkler Head 57-390-1-155 Key: MasterBreakLockKeyViking VK178, Standard, Dry Sprinkler, 5. 6K, Standard Adjustable, Horizontal Sidewall, QR, 1 NPT, White With Chrome Escutcheon, 155 Degree, 12 Length, 08384UMFB W12 Fire Sprinkler Head Viking Quick Response Dry Horizontal Sidewall Sprinklers are thermosensitive spray sprinklers suitable for use in areas subject to freezing. The sprinklers are designed for dry systems and preaction systems where it is necessary to prevent water or condensation from