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    Gas products
    Valves
    Control diaphragm valves

    Reflux9 19

    Description

    Reflux 919 by Pietro Fiorentini is a control diaphragm valve especially designed for natural gas or other preliminarily filtered non-corrosive gases. It may be supplied in the direct-action (air to close), or in the reverse action type (air to open).

    This device is mainly used in high-pressure transmission systems and in medium pressure gas distribution networks.

    Features

    • Design pressure: up to 102 bar
    • Design temperature: from -20 °C to +60 °C
    • Rangeability: up to 1:1000
    • Nominal sizes DN: up to 10″
    • Connections: Class 150, 300, 600 RF or RTJ according to ASME B16.5 and PN16 according to ISO 7005
    • End to end dimensions: according to EN 334

    Do you still have questions?

    Flyer

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    Technical Manual

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    Poster

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    29Jul

    ISO 50001: Rosate and Desenzano del Garda plants are certified, and Arcugnano is confirmed

    A new important result for Pietro Fiorentini: we have confirmed the ISO 50001:2018 certification for the headquarters in Arcugnano (Vicenza, Italy) and we have obtained it also for the plants of Rosate (Milan, Italy) and Desenzano del Garda (Brescia, Italy). This standard specifies the requirements for an energy management system to enable companies to achieve continual improvement of energy performance. Thanks to our […]