Pietro Fiorentini pressure regulators

Reflux 819/FO

Execution of the Reflux 819 controller with modified fault safety logic. For medium and high pressure applications.

Order
Reflux 819/FO — Pietro Fiorentini
Specifications
BrandPietro Fiorentini
TypePressure regulator, pilot (servo-controlled), balanced
Pressure rangeMedium and high pressure
Classification by EN 334Fail Open
Output pressure range0.3–74 bar (depending on the set pilot 204/205/207)
Operating temperature-20...+60 °C (wider on request)
Working mediumPre-treated non-corrosive gases
Standard / certificationEN 334; PED 2014/68/EU
Nominal diameter, DNbeing clarified
Questions

Frequently asked questions

What is the operating pressure of Reflux 819/FO?
Working pressure: Medium and high pressure.
What standard sizes are available from Reflux 819/FO?
Standard sizes: to be specified.
At what temperature does Reflux 819/FO work?
Operating temperature range: -20...+60 °C (wider on request).
What standard is Reflux 819/FO manufactured according to?
Software manufacturing: EN 334; PED 2014/68/EU.
What should I specify when ordering Reflux 819/FO?
It is enough to state the size, working pressure, temperature and medium. If the parameters are not known, send a questionnaire or a diagram of the assembly and we will make the selection.
What are the delivery times?
Fast-moving items ship from stock, everything else is made to order. The exact lead time and price are confirmed in the quotation. Delivery across Russia and the CIS.

We will select and supply Pietro Fiorentini equipment

State the inlet and outlet pressure, flow rate and size — we will select the model and prepare an offer.

Request a quote