Pietro Fiorentini S.p.a.

Alberto Arsego

Michele Bernardi

Alessandro Bonamico

Blocking device for pressurized gas pipelines includes:

Blocking device for pipelines for the passage of pressurized gas, of the pilot-operated type, and pressure regulator for said blocking device

A pressure regulator for gas distribution systems includes: a connection body for connection between an upstream pipe and a downstream pipe, the following elements being defined inside the connection body: an inlet duct an outlet duct, a high-pressure chamber connected to the inlet duct, a low-pressure chamber connected to the outlet duct, a passage opening between the high-pressure chamber and the low-pressure chamber, a movable shutter designed to obstruct the passage opening, components for moving the movable shutter in a controlled manner. The components for moving the movable shutter in a controlled manner include: a first main control head fixed to the connection body and configured to operate the movable shutter through a first control rod, a second auxiliary control head configured to operate the movable shutter through a second control rod fixed to the same movable shutter.

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Torri di Quartesolo, Italy

Alberto Arsego