AVAILABLE CONFIGURATIONS / FIGURE NUMBERS M&H AWWA C500 STANDARD DOUBLE DISC GATE VALVES M&H AWWA Double Disc Parallel Seat IBBM Gate Valves Meet or Exceed the requirements of AWWA C500 Size Range 2" – 12" 14" – 48" Water Working Pressure psi 200 150 Hydrostatic Shell Test psi 400 300...