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    Gas products
    Medium - low pressure gas regulators
    Direct operated

    Norval

    Description

    Norval by Pietro Fiorentini is a direct-operated gas pressure regulator.

    Suitable for use with previously filtered gaseous fluids, it is mainly used for medium and low pressure natural gas distribution networks.

    It is classified as Fail Open according to the European Standard EN 334.

    Norval 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 5 | up to 1% absolute (depending on working conditions)
    • Nominal sizes DN: 1″, 1″ 1/2, 2″, 2″ 1/2, 3″, 4″, 6″, 8″
    • Lock-up pressure class SG: up to 10
    • Design pressure: up to 16 bar
    • Design temperature: from -20 °C to +60 °C
    • Connections: class 150 RF according to ASME B16.5 and PN 16 according to ISO 7005
    • Range of downstream pressure Wd: from 0.008 to 4.4 bar for DN up to to 4″, from 0.012 to 1.8 bar for DN 6″ and 8″
    • Inlet pressure range bpu: from 0.1 to 18.9 bar for DN up to 3″, from 0.1 to 8.6 bar for DN 4″, 6″ and 8″

    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

    Technical manuals of discontinued versions

    Click to download the file

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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 […]