PNEUMATIC CONVEYING VALVE FOR INSTALLATION ON STORAGE SILOS. PRESSURE/TEMPERATURE RATING: 15PSI @ 250°F. MATERIAL OF CONSTRUCTION: ALUMINUM ALLOY CONE SECTION, CAST STAINLESS STEEL BODY AND LINE ADAPTERS WITH 4"Ø SLEEVE CONNECTIONS. INCLUDES PNEUMATIC CONTROL VALVE, ACTUATING AIR CYLINDER, AND PROXIMITY SWITCHES. OVERALL LENGTH (ASSEMBLED): 5'-0". APPEARS UNUSED.