Fire Fighting Gauges (AFF) Nominal Size (mm) 80,100 Scale Range -1to 0 bar (50% span) 0 to 25 (50% span) Accuracy(FSD) 1.6% Thread Connection 14", 38", ½ ", BSP & NPT Mounting of Gauge Bottom, Back Case and Bezel Drawn steel, SS 304 Pressure Elements Diaphragm Diaphragm Yes Wetted Parts SS 304 and SS 316 Application Fire Fighting Pumps, Plant Construction