29 – Mesura—Regulator-C25MV-EC—N-29—Page-101

Regulator S4

Adjustable low pressure

Type “C” regulator is usually installed upstream of the meter and it ensures the supply to the equipment of the industrial which make use of Natural Gas or Propane ( 20 to 40 mbar) starting from a medium pressure distribution system (0,022 to 1,5 bar). It can be installed in a protected systems, such as vertical services ducts or in cabinets.
In these cases we are dealing with a connection AIREN.