Viking® VK181, Standard, Dry Sprinkler, 8.0K, Recessed Adjustable, Pendent, QR, 1” NPT, White 155 Degree, 12” Length, 13250UMB/W12 Fire Sprinkler Head ST61000000 It is pressurized with dry

It is pressurized with dry nitrogen or argon gas to a pressure of 240 psi (1655 kPa) at 70 °F (20 °C)

Item: Senju® SS8561 RC-RES Flat Concealed

5113212499

Manufacturer Part Numbers:  S312366000

Item: Tyco® TY4291

Viking® VK181, Standard, Dry Sprinkler, 8.0K, Recessed Adjustable, Pendent, QR, 1” NPT, White 155 Degree, 12” Length, 13250UMB/W12 Fire Sprinkler Head ST61000000 It is pressurized with dryViking VK181, Standard, Dry Sprinkler, 8. 0K, Recessed Adjustable, Pendent, QR, 1 NPT, White 155 Degree, 12 Length, 13250UMB W12 Fire Sprinkler Head Viking Quick Response Large Orifice Dry Pendent 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 entering the drop nipple before