Viking® VK331, Model M, 4.2K, Standard, Pendent, QR, 1/2" NPT, White, 155 Degree 21271MB/W Fire Sprinkler Head 23197M/W 155 Degree 23878AB Fire Sprinkler

155 Degree 23878AB Fire Sprinkler Head

205 Degree 13978FE Fire Sprinkler Head

155 Degree 23763AB Fire Sprinkler Head

286 Degree 12979MG/B Fire Sprinkler Head

The OSY2 is used to monitor the open position of an outside screw and yoke (OS&Y) type gate valve

Viking® VK331, Model M, 4.2K, Standard, Pendent, QR, 1/2" NPT, White, 155 Degree 21271MB/W Fire Sprinkler Head 23197M/W 155 Degree 23878AB Fire SprinklerViking VK331, Model M, 4. 2K, Standard, Pendent, QR, 1 2" NPT, White, 155 Degree 21271MB W 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,