Title: AV-1 alarm valve.pdf
Vertical Closed Drain, Galvanized (See Figure 4) 2-1/2 Inch . . . . . . . . . . . . . . . . P/N 52-204-4-950 4 or 6 Inch* . . . . . . . . . . . . . . . P/N 52-204-4-951 8 Inch* . . . . . . . . . . . . . . . . . . P/N 52-204-4-952 *Provided semi-preassembledSpecial Order Specify: (Vertical or Horizontal), (Closed or Open) Drain Galvanized Trim for (size) Model AV-1-300 Alarm Check Valve, P/N (specify):Vertical Open Drain, Galvanized (See Figure 5) 2-1/2 Inch . . . . . . . . . . . . . . . . P/N 52-204-4-053 4 or 6 Inch* . . . . . . . . . . . . . . . P/N 52-204-4-954 8 Inch* . . . . . . . . . . . . . . . . . . P/N 52-204-4-955 *Provided semi-preassembledHorizontal Closed Drain, Galvanized (See Figure 6) 4 or 6 Inch. . . . . . . . . . . . . . . . P/N 52-204-4-057 8 Inch . . . . . . . . . . . . . . . . . . . P/N 52-204-4-058Accessories Order the following accessories, as applicable:Model RC-1 Retard Chamber . . . . . . . P/N 52-211-1-002 (Required for variable pressure water sup- ply conditions.)