ATF Anti-Freeze



Single-stage pressure reducing valve type ATF Anti-Freeze For industrial and chemical engineering applications.

Suitable for natural gas and all non-corrosive gaseous media.

Easy operation and maintenance


Design pressure up to 220 bar
Design temperature -20 °C to +60 °C
Accuracy class up to 5
Outlet pressure range of Wd 1,5 to 60 bar
Closing pressure class SG SG25
Threaded connections Piping connection: Dn 1” ANSI B 2.1 NPT · Outlet connection: Rp 1/4” IS0 7/1. ATF 16: · Heating fluid side connection: 2” NPT · Inlet gas side connection: 1/4"" NPT · Outlet gas side connection: Rp 1/4” IS0 7/1."
Range of inlet pressure bpu 2 to 220 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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