Governors STD


The gas pressure governors with / without filter, and with double safety diaphragm in Pietro Fiorentini’s range are equipped with balanced plug. Governors are the ideal solution for feeding burners.

They can be used with pre-filtered non-corrosive gases and are widely used in low-pressure natural gas distribution networks to industrial, commercial and residential users.

These devices comply with standard EN 88-1 and are Hydrogen Ready for NG-H2 blending.


  • Accuracy class AC: 15
  • Nominal sizes DN: 1/2″, 3/4″, 1″, 1″ 1/4, 1″ 1/2, 2″
  • Lock-up pressure class SG: +7.5 mbar or 30%
  • Design pressure: 1 bar
  • Design temperature: from -15 °C to +60 °C
  • Connections: according to UNI EN ISO 228-1:2003; according to NF E29-533:2014 and NF E29-536:2017
  • Minimum differential pressure: 2,5 mbar
  • Range of downstream pressure Wd: from 5 to 300 mbar
  • Inlet pressure range bpu: from 2.5 to 500 mbar
Scroll to top
Please turn to portrait for a better experience

Please turn to portrait
for a better experience