The Series NF are three-piece forged material flanged and weld end Trunnion Mounted Ball Valves with bubble tight sealing at high and low
pressures and are intrinsically firesafe due to metal-to-metal sealing with loss of seats.The Series NF features a blowout proof, multiple sealing
stem, double body sealing, double block and bleed designs, and a fire safe design. Options are available to add Double Piston Effect Seats. In
addition, Series NF Ball Valve are ISO 15848-1 fugitive emissions tested and certified.
stem, double body sealing, double block and bleed designs, and a fire safe design. Options are available to add Double Piston Effect Seats. In
addition, Series NF Ball Valve are ISO 15848-1 fugitive emissions tested and certified.