Pilot-Operated Pressure Regulator - Aperval H

  • Suitable for hydrogen applications
  • Used in medium and low-pressure gas distribution networks
  • Fail Open design according to EN 334
  • High accuracy and low noise
  • Top entry and easy maintenance

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The Aperval H is a pilot-operated gas pressure regulator designed and manufactured by Pietro Fiorentini, specifically suitable for 100% hydrogen applications. It is used in medium and low-pressure gas distribution networks and classified as Fail Open according to the European Standard EN 334. Key features include high accuracy, low differential pressure operation, easy maintenance, low noise, and a high turn-down ratio. The regulator is certified according to European Directive 2014/68/EU (PED) and has a bubble tight leakage class, better than VIII according to ANSI/FCI 70-3. It is ideal for small/medium industry, district stations, and blending units. The Aperval H offers competitive advantages such as balanced type design, top entry, built-in accessories, and a built-in pilot filter, making it a reliable and efficient solution for gas pressure regulation.

Use Cases

  • Small/medium industry
  • District stations
  • Blending units

Capabilities

  • Operates with low differential pressure (Δp ≥ 0.45 bar)
  • High accuracy (up to 5 %)
  • Suitable for 100 % H₂ service (0.5 – 25 bar inlet, −20 to +60 °C)
Pietro Fiorentini S.p.A. Pietro Fiorentini specializes in hydrogen technology, offering products and solutions for hydrogen use, leveraging its extensive experience in natural gas. The company focuses on renewable energy projects and sustainable technologies. Established in 2018, it has developed innovative solutions for hydrogen applications.

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