Dival 500

Dival 500

The Dival 500 direct-operated gas pressure regulator by Pietro Fiorentini uses a diaphragm and spring control. Suitable for filtered gases, it is mainly used in medium- and low-pressure natural gas networks and is classified as Fail Open per EN 334.

Product 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

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