Alarm check valve series 751 and 759
       In wet systems, where there’s little danger of freezing, the Victaulic FireLock Series 751 alarm check valve is ideal. It virtually eliminates false alarms, because it’s trimmed with a water bypass line and an in-line swing check valve. These allow pressure surges to enter the system above the alarm check valve clapper without lifting the clapper

         Victaulic offers a complete line of FireLock butterfly, ball and check valves. Plus, all the accessories and special assemblies you need to ensure that your system that your system has total, end-to-end grooved convenience and Victaulic FireLock reliability. Victaulic FireLock valves are available in sizes 1/2” to 12” (15 mm to 200 mm) with working pressures ranging from 175 to 600 psi (1200 kPa to 4135 kPa).

         The Series 728 FireLock™ Ball Valve is a standard port, end-entry valve that is UL/FM rated for 350 PSI (2410 kPa) service in all sizes. Available with grooved or threaded ends (NPT). The valve body and gearbox are brass die cast. The ball is chrome plated brass with a brass stem. TFE seats aid ease of operation and provide a corrosion-free seat. The streamlined design provides excellent flow characteristics, which exceed UL Specification 1091 and FM Approval Standard 1112.

       FireLock fitting are available in size from 2” to 8” (50 mm to 200 mm) with working pressures ranging from 300 psi to 500 psi (2065 kPa to 3450 kPa).