FE is a two-stage spring loaded lever operated gas pressure regulator by Pietro Fiorentini. It is particularly suitable for low pressure natural gas distribution networks for residential and commercial users. It should be used with previously filtered non-corrosive gases including biomethane and natural gas blended with hydrogen. According to the European Standard EN 334, it is classified as Fail Close since always supplied with an overpressure protection device (slam shut valve).
FE is Hydrogen Ready for NG-H2 blending.
