Ball valve specifications are represented by 2 FF,
FF refers to the form of connection between the valve and the pipe lineFF, or Flat Face, is a common form of flat flange connection
FF refers to the form of connection between the valve and the pipe lineFF, or Flat Face, is a common form of flat flange connection
FF refers to the form of connection between the valve and the pipe lineFF, or Flat Face, is a common form of flat flange connection