BUTTERFLY VALVE; NOMINAL SIZE: 12 IN; FLUIDS: WATER; MOUNTING TYPE: LUG; DISC MATERIAL: STAINLESS STEEL; TYPE OF OPERATION: WITH PNEUMATIC ACTUATOR; PRESSURE: CLASS 150; BODY MATERIAL: CAST IRON; SEAT MATERIAL: EPDM; TO MOUNT ON ANSI B 16.5 S ERIE 150 FLANGES; WITH THREADED HOLES; NODULAR CAST BODY; IT MUST BE SUPPLIED WITH A SINGLE-ACTING PNEUMATIC ACTUATOR MOD. 79U-091, "NC". FESTO SOLENOI MODEL MFH 5/2 110VAC. TRAVEL LIMITS LC 89 NEMA 4 WITH TWO TURK B12-M12 AZ-31X-110 VAC/50 HZ SENSORS, WITH POSITION INDICATOR, WITH MANUAL EMERGENCY OPERATION MODEL 453 OR SIMILAR OF THE RELEVANT C BRAND; THE VALVE MUST BE PROVIDED WITH THE GIVEN LOCKING DEVICE – SUITABLE FOR USING PADLOCK WITH NOMINAL LINK/RING DIAMETER OF 6 - HOLE DIAMETER THROUGH PADLOCK 8 MM