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.