Lincoln Service Parts 2 › Lincoln Electric 9SS31649-1 FLOW CONTROL ORIFICE S31649-1 Lincoln Electric 9SS31649-1 FLOW CONTROL ORIFICE S31649-1 Sale Price: $87.64 Original Price: $100.79 FLOW CONTROL ORIFICE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FLOW CONTROL ORIFICE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1