Dilock is a safety device that quickly interrupts the gas flow should? the controlled pressure reach the intervention set valve due to any malfunction. Special suitable for natural gas, LPG and non-corrosive gas.

Main features:

  • Intervention for over/under pressure or for overpressure only
  • Intervention for temperature increase within 170°/190°C - 338°/374°F
  • Manual reset
  • Compact
  • Reduced size
  • Can be maintained regularly  without removing  body from pipelines
  • Integrated by-pass
  • Installed  with pressure switch on  bottom


Accuracy class AG 5/10/20% / AG 10/20/30%

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.

View product Visit the manufacturer's website