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    Gas products
    Medium - low pressure gas regulators
    Direct operated

    Dival 500

    Description

    Dival 500 by Pietro Fiorentini is a direct-operated gas pressure regulator controlled by a diaphragm and contrasting regulated spring action.

    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.

    Dival 500 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 10 | up to 1% absolute (depending on working conditions)
    • Nominal sizes DN: 1″ x 1″, 1″ x 1″ 1/2
    • Lock-up pressure class SG: up to 20 (depending on version and set point)
    • Design pressure: up to 10 bar for BP, up to 20 bar for MP and TR
    • Design temperature: from -20 °C to +60 °C
    • Minimum differential pressure: 0.1 bar
    • Range of downstream pressure Wd: from 13 to 100 mbar for BP, from 100 to 300 mbar for MP, from 300 to 2500 mbar for TR
    • Inlet pressure range bpu: from (Pd + 0,1) bar to 10 bar for BP
      from (Pd + 0,1) bar to 20 bar for MP and TR

    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

    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 […]