HP 100



Pressure regulators series HP100 - HP100/B, are regulators of the self-driven type, spring-loaded, with balanced plug, diaphragm command by contrast action with spring, suitable for medium and high pressures.

They are used in distributing  natural gas, LPG. and non- corrosive gases, where good performances in terms of regulation and fast response to  flow rate variations are required. They are widely used in the 1st stage reductions for house and industrial applications.


Design pressure 20 bar
Design temperature 2 (-20°C +60°C)
Accuracy class up to 5
Closing pressure class SG up to 10
Outlet pressure range of Wd AP: 200÷800 mbar / TR: 800÷4500 mbar
Threaded connections see catalog
Range of inlet pressure bpu 1÷20 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.

View product Visit the manufacturer's website