Safety Devices


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


Technical data
  • Accuracy class
  • AG 5/10/20% / AG 10/20/30%

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Pietro Fiorentini is a global leader in designing and construction of components and systems for natural gas.

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