Pietro Fiorentini pressure regulators

Reflux 819

Servo-controlled pressure regulator for medium and high pressure, shut-off type. For pre-purified non-corrosive gases.

Order
Reflux 819 — Pietro Fiorentini
Specifications
BrandPietro Fiorentini
TypePressure regulator, pilot (servo-controlled), balanced
Pressure rangeMedium and high pressure
Classification by EN 334Fail Close (pilot ser. 200/A) / Fail Open (pilot ser. 210/A)
Output pressure range0.3–74 bar (depending on the set pilot 204/205/207)
Tightness classBubble tight, better than Class VIII (ANSI/FCI 70-3)
Operating temperature-20...+60 °C (wider on request)
Working mediumPre-treated non-corrosive gases; Hydrogen ready
Standard / certificationEN 334; PED 2014/68/EU
DesignTop entry — maintenance without dismantling from the pipeline
Nominal diameter, DNbeing clarified
Questions

Frequently asked questions

What is the operating pressure of the Reflux 819?
Working pressure: Medium and high pressure.
What standard sizes are available for Reflux 819?
Standard sizes: to be specified.
At what temperature does Reflux 819 work?
Operating temperature range: -20...+60 °C (wider on request).
What standard is Reflux 819 manufactured to?
Software manufacturing: EN 334; PED 2014/68/EU.
What should I specify when ordering Reflux 819?
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.

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