Lincoln Service Parts 2 › Lincoln Electric 9SS31225-143 PULSE VALVE 1 INCH NPT S31225-143 Lincoln Electric 9SS31225-143 PULSE VALVE 1 INCH NPT S31225-143 Sale Price: $330.77 Original Price: $380.39 PULSE VALVE 1 INCH NPT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PULSE VALVE 1 INCH NPT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1