FB-D Series Trunnion-Mounted Ball Valve

Overview and application

The structure of fixed ball ensures the valve will not move under pressure. It is widely applied in petroleum industry, chemical industry, natural gas industry, electric power industry, metallurgical industry and food industry.

Product features

  • Fire-proof design, with anti-static device.

  • Full-diameter design, strong flow capacity, small flow resistance.

  • Automatic pressure relief in valve chamber, good safety protection performance.

  • Several structure styles for selection.

Technical parameters

  • Nominal diameter: DN50~DN1200 (2″~48″)

  • Pressure rating: PN16~PN420 (class 150~2500)

  • Working temperature: -40℃~450℃

  • Connection mode: Flange, weld

  • Seal form: Soft seal, metal seal

Materials

  • Valve body: Carbon steel, stainless steel, dual-phase steel, alloy steel

  • Ball: Stainless steel, dual-phase steel

  • Valve seat: Soft seal: PTFE, R-PTFE, PPL, PEEK

  • Metal seal by painting: STL, WC, Ni60, Cr3C2