BUTTERFLY VALVE, MAIN NAME VALVE COMPLEMENTARY NAME BUTTERFLY BODY MONOBLOC MATERIAL PP-POLYPROPYLENE EXTREMITY WAFER EXTREMITY TYPE FACE FLAT STANDARD EXTREMITY ASME B16.5 FACE TO FACE STANDARD ASME B16.5 CONSTRUCTION ASME B16.5 INTERNAL DISK/SHAFT FITTED INTO DISK PP POLYPROPYLENE COATING FINISH NO HARD STEM STAINLESS STEEL AISI 316 SEATS EPDM SEAL STEM EPDM DRIVE PNEUMATIC ACTUATOR INSPECTION AND TEST ASTM D4101 PRESSURE CLASS 150 NOMINAL DIAMETER 1.1/2 ‘ OTHER REQUIREMENTS SEE OBS COMMERCIAL REFERENCE ASAHI-57-PP-CP79PSN OBS: – PROVIDE WITH PNEUMATIC ACTUATOR AIR-SPRING CP79PSN; – PROVIDE WITH ELECTRIC POSITION INDICATOR.