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    Gas products
    Medium - low pressure gas regulators
    Pilot operated

    Reflux 819/FO

    Description

    Reflux 819/FO is a pilot-operated gas pressure regulator classified as Fail Open according to the European Standard EN 334.

    Its use is strongly recommended in high-pressure transmission systems and in medium pressure natural gas distribution networks. It is suitable for use with previously filtered non-corrosive gases.

    Reflux 819/FO is Hydrogen Ready for NG-H2 blending.

    Click here to see the product page in the 100% hydrogen version.

    Features

    • Accuracy class AC: up to 2.5
    • Nominal sizes DN: 1″, 2″, 3″, 4″, 6″, 8″, 10″, 12″
    • Lock-up pressure class SG: up to 5
    • Design pressure: up to 102 bar
    • Design temperature: from -20 °C to +60 °C
    • Connections: class 150, 300, 600 RF or RTJ according to ASME B16.5 and PN 16 according to ISO 7005
    • Minimum differential pressure: 2 bar when used alone
    • Range of downstream pressure Wd: from 1 to 74 bar
    • Inlet pressure range bpu: from 3 to 102 bar

    Do you still have questions?

    Flyer

    Click to download the file

    Technical Manual

    Click to download the file

    Poster

    Click to download the file

    Technical brochure

    Click to download the file

    Hydrogen compatibility declaration

    Click to download the file

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    29Jul

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