Dixi is pilot-controlled pressure regulator for medium and low pressure. Dixi is a "fail close" regulator i.e. it will close if :

  • The main diaphragm fails
  • The  pilot diaphragm/s fail
  • There is no feed  to the pilot loop.

These regulators are suitable for use with previously-filtered, non-corrosive gases.



Design pressure up to 16 bar
Design temperature " -10° +60° C (higher or lower temperatures on demand)"
Minimum working differential pressure 100 mbar
Accuracy class up to 2,5
Closing pressure class SG up to 5
Flanging class 150 RF according to ANSI B 16.5 and PN16 according to ISO 7005.
Outlet pressure range of Wd 6 to 6000 mbar
Available size DN 1"- 1"1/4 - 1"1/2 - 2"
Maximum working differential pressure 16
Range of inlet pressure bpu 0.5 to 16 bar

News and articles

26 September 2017

A brief presentation of our modern plant in Desenzano del Garda

A brief presentation of our modern plant in Desenzano del Garda, where our gas pressure regulators are designed, manufactured, tested and shipped around the world.

03 August 2017

Technical Newsletter - Reflux 819 12 "

Reflux 819 12” - Our biggest pilot regulator


Pietro Fiorentini inc.

With each installation created by Pietro Florentini, we increase our experience in the use of new technologies and are improving, which allows us to look to the future with confidence.

We constantly improve our quality and competitiveness, taking into account the highest requirements of our customers.

Our company is a leader in the creation of high-tech equipment and services for the transportation and use of natural gas, which allows us to direct our research to solve all kinds of problems.

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