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FT 518 Direct Operated High - Medium Pressure Gas Regulators

Brand: Pietro Fiorentini S.p.A.

FT 518 is a lever-operated device for high and medium pressure with multiple replaceable orifice.

FT 518 is an unbalanced pressure regulator.

This regulator is suitable for use with previously filtered, non corrosive gases. It is a truly top entry design which allows an easy maintenance of parts directly in the field without removing the body from the pipework.

When the built-in token relief valve is active, it prevents undesiderable slam shut trip due to minor internal leakages or ambient temperature variation.

The modular design of FT 518 pressure regulators allows to retrofit either slam shut valve or integral full monitor.
Features
  • Compact and Simple Design
  • Operates with High Differential Pressure
  • Built-In Filter
  • Token IRV
  • Top Entry
  • Built-in Accessories
  • Easy Maintenance
  • Biomethane Compatible and Available with Specific Versions for Full Hydrogen or Blending

Specifications

Body

  • Ductile iron GS400-18 equivalent to ASTM 536 60-40-18

Cover

  • Die cast aluminum

Valve

  • Nitrile rubber / High performance compound

Seat

  • Brass

Diaphragm

  • Nitrile rubber

Sealing Ring

  • Nitrile rubber

Stem

  • Stainless steel

Approvals

  • ANSI B109.4

Accuracy Class AC

  • Up to 20 (depending on working conditions)

Nominal Sizes DN

  • 3/4″
  • 1″
  • 2″

Lock-up Pressure Class SG

  • Up to 20 (depending on working conditions)

Design Pressure

  • Up to 69.4 bar

Design Temperature

  • From -40 °C to +60 °C

Connections

  • Threaded NPT
  • Flanged or SW (available soon)

Minimum Differential Pressure

  • 0.49 bar

Range of Downstream Pressure Wd

  • From 0.34 to 34 bar

Inlet Pressure Range bpu

  • From 1.4 to 69.4 bar

  • Gas Distribution MP:
    • Gas Reverse Flow
    • Power Generation
    • Heavy Industry
    • Gas Engines
    • Regasification
    • District Stations
  • Gas Distribution LP:
    • Medium/Small Industry
    • Commercial Users
    • Residential Users
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