307 Series - Adjustable relief valve

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Specifically designed for H2 operation, the 307 series pressure relief valve offers a simple solution to most H2 pressure relieving applications. O ring seating provides a reliable and repeatable resealing characteristic, and a range of spring options offers a valve capable of fine control and reliable operation. The 307 series can be configured to be in-line or end of line, with multiple porting configurations available as standard, and bespoke solutions available upon request. EC79 certification is pending.

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Features and benefits

- Elastomer seat offers very reliable bubble tight shut off at all operating pressures

- End of line or Inline configurations offered

- SS316L material ensures resistance against Hydrogen embrittlement.

- Reliable, repeatable operation

- 420 bar max inlet pressure

- EC79 certification pending - adheres to requirements of R134

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Common applications

- Specifically developed for Hydrogen service

- Compressed air supply systems requiring medium flow rate. 

- Often used for instrumentation and sampling systems.