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    Gas products
    Low pressure gas regulators and governors
    Governors USA only

    PF 400

    Description

    PF 400 is the governor with unbalanced device by Pietro Fiorentini and is particularly suitable for the supply of burners and the distribution of natural gas at low pressure.

    It can be used with previously filtered non-corrosive gases and is mainly employed in distribution networks for residential users.

    This device is CSA 6.22A ANSI Z21.80A approved.

    Features

    • Accuracy class AC: 15
    • Nominal sizes DN: 1/2″ and 3/8″
    • Lock-up pressure class SG: up to 30
    • Design pressure: 4.5 bar
    • Design temperature: from -40 °C to +60 °C
    • Connections: NPT according to ANSI B1.20.1
    • Range of downstream pressure Wd: from 6 to 35 mbar
    • Inlet pressure range bpu: from 34 mbar to 138 mbar STD version for CSA certified applications otherwise up to 689 mbar; from 207 mbar to 689 mbar Dual Cut version

    Do you still have questions?

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    Technical brochure

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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 […]