Viking® VK638, Corridor Sprinkler, 8.0K, Extended Coverage, Horizontal Sidewall, QR, 3/4" NPT, Brass, 155 Degree 17375AB Fire Sprinkler Head Fire Sprinkler Heads Disc is EPDM coated with

Disc is EPDM coated with SS stem:

Replacement Sounder Unit (including Housing Shell) for Stopper II's

The PIBV2 is equipped with tamper resistant cover screws to prevent unauthorized entry

BA208732S9

Viking® VK638, Corridor Sprinkler, 8.0K, Extended Coverage, Horizontal Sidewall, QR, 3/4" NPT, Brass, 155 Degree 17375AB Fire Sprinkler Head Fire Sprinkler Heads Disc is EPDM coated withViking VK638, Corridor Sprinkler, 8. 0K, Extended Coverage, Horizontal Sidewall, QR, 3 4" NPT, Brass, 155 Degree 17375AB Fire Sprinkler Head Horizontal Sidewall, Quick Response, 8. 0 K Factor, Large Orifice, Extended Coverage, Horizontal Sidewall, Corridor Sprinklers (wide throw), Sprinkler, Light Hazard Only, (General reference only Always refer to technical datasheet for accurate listings and approvals) Available In Multiple Colors and Temperatures.