Viking® VK331, Model M, 4.2K, Standard, Pendent, QR, 1/2" NPT, Brass, 286 Degree 21271AG Fire Sprinkler Head 23179BC/A 77-571-1-155

77-571-1-155

the dry ELO sprinklers can provide a design advantage with lower overall water demands

With exterior thumb lock and enclosed white back box

High Flow portable fire extinguishers for applications where discharge rates exceeding one pound per second are required as specified in NFPA 10

50-110-6-212

Viking® VK331, Model M, 4.2K, Standard, Pendent, QR, 1/2" NPT, Brass, 286 Degree 21271AG Fire Sprinkler Head 23179BC/A 77-571-1-155Viking VK331, Model M, 4. 2K, Standard, Pendent, QR, 1 2" NPT, Brass, 286 Degree 21271AG Fire Sprinkler Head The Viking Microfast Quick Response Pendent Sprinkler VK331 is a small thermosensitive glass bulb spray sprinkler available with various finishes and temperature ratings to meet design requirements. The special Polyester and Electroless Nickel PTFE (ENT) coatings can be used in decorative applications where colors are desired. In addition,