Dixi AP


Pilot-operated pressure regulator produced by Pietro Fiorentini, Dixi AP is suitable for use with previously filtered non-corrosive gases.

It is mainly used for high-pressure transmission systems and for medium pressure natural gas distribution networks.

According to the European Standard EN 334, it is classified as Fail Close.


  • Accuracy class: up to 1
  • Available size DN: 1″
  • Closing pressure class SG: up to 2.5
  • Design pressure: up to 85 bar
  • Design temperature: from -10 °C to +60 °C (higher or lower temperatures on demand)
  • Flanging: class 150, 300, 600 RF or RTJ according to ASME B16.5 and PN 16 according to ISO 7005
  • Minimum working differential pressure: 1 bar
  • Outlet pressure range of Wd: from 0.5 to 25 bar
  • Range of inlet pressure bpu: from 1.5 to 85 bar


The configuration options can be compounded and aggregated differently. Please refer to the technical manual for all available combinations.
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Technical Manual

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Technical brochure

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