Bray Valves 20-0400-124-920830 Valve Wafer Butterfly, 4" w/92-0830 Actuator, PRESSURE: CATEGORY 150 FLUIDS: GRAPHITE MOUNTING TYPE: FLANGED RF ANSI B16.5 DISC MATERIAL: STAINLESS STEEL BODY MATERIAL: CARBON STEEL TYPE OF OPERATION: ACTUATOR SEAT MATERIAL