Mod. FEX
Residential gas pressure regulators

Mod. FEX

The two-stage FEX series self-driven pressure regulators  are widely used both in civil and industrial installations using natural gas, LPG or non-corrosive gases.

These regulators are designed  to be fitted directly to users' flow meter or assembled on riser shafts for civil uses. They can be installed in any position provided that they are protected against atmospheric factors. The internal relief valve vent can be run outside if installed in enclosed spaces  for underground plants.

Thanks to the concept of double regulation stage, it is possible to achieve a: - high accuracy; - high operating reliability. Simple to install. These regulators are manufactured according to UNI 8827.


Technical data
  • Accuracy class
  • Closing pressure class SG
  • Design pressure
  • Design temperature
  • Outlet pressure range of Wd
  • Range of inlet pressure bpu
  • Threaded connections
  • up to 10
  • up to 10
  • 8.6 bar
  • 2 (-20°C +60°C)
  • BP: 13÷100 mbar MP: 100÷350 mbar
  • 0.3÷8.6 bar
  • see catalog

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Pietro Fiorentini is a global leader in designing and construction of components and systems for natural gas.

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