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    Gas products
    High - medium pressure gas regulators
    Pilot operated

    Reflux 819

    Description

    Reflux 819 is a pilot-operated gas pressure regulator.

    It is particularly suitable for high-pressure transmission systems and for medium pressure natural gas distribution networks, and it can be used with previously filtered non-corrosive gases.

    According to the European Standard EN 334, it is classified as Fail Close (pilot series 200/A) or Fail Open (pilot series 210/A) according to the installed pilot (except for the PM819 monitor).

    Reflux 819 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 1
    • Nominal sizes DN: 1″, 2″, 3″, 4″, 6″, 8″, 10″, 12″
    • Lock-up pressure class SG: up to 2.5
    • Design pressure: up to 102 bar
    • Design temperature: from -20 °C to +60 °C (higher or lower temperatures on demand)
    • Connections: class 150, 300, 600 RF or RTJ according to ASME B16.5 and PN 16 according to ISO 7005
    • Minimum working differential pressure: 0.5 bar
    • Range of downstream pressure Wd: from 0.3 to 74 bar
    • Inlet pressure range bpu: from 0.8 to 100 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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