BALL VALVE; NOMINAL SIZE: 3 IN; DIAL MATERIAL: POLYPROPYLENE; BODY MATERIAL: POLYPROPYLENE; STEP TYPE: TOTAL; 3” BALL VALVE FOR ACID WITH HANDLE; BODY OF VINYL ESTER AND REINFORCED FIBERGLASS; TEFLON PTFE SEAT; T-PTFE SEALS WITH VITON; THE VALVE MUST BE PROVIDED WITH THE LOCKING DEVICE – SUITABLE TO USE PADLOCK WITH NOMINAL LINK/RING DIAMETER OF 6 – LOCKED HOLE DIAMETER 8 MM; MANUFACTURER 1: NIL-COR; N-PART 1: 3”BV 310-ST-T-S-W1