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Product overview

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the valves for details
  • High Performance

    Flanged safety valves with especially high capacity for their size. With a large quantity of valve sizes, pressure ranges and product options, they have proven themselves as a universal safety valve for many applications.

  • API

    Flanged safety valves that meet all the requirements of API 526 such as standardized orifices and center-to-face dimensions. Their robust construction makes them especially suitable for high pressures and materials like Duplex, Monel or Hastelloy.

  • Compact Performance

    Threaded and flanged safety valves with compact dimensions for economical protection of small and midsized capacites. Many orifice diameters, seals and connections offer a very wide area of application.

  • High Efficiency

    Pilot operated safety valves and supplementary loading systems for optimal tightness right up to set pressure.

  • Modulate Action

    Flanged safety valves with a standard opening characteristic. They minimize medium loss when opening and are used for thermal relief applications, liquid service and protection from pressure peaks.

  • Clean Service

    Safety valves for the food, beverage and pharmaceutical industries that meet all the relevant standards and regulations such as DIN 11866 or ASME BPE.

  • Critical Service

    PTFE-lined flanged safety valves for corrosive media such as chlorine, acids, and lyes. With their highly resistant lining they offer a safe solution for corrosive media.

  • Best Availability

    Change-over valves for increased plant availability and bursting discs in type-tested combination with safety valves.

  • S&R

    Safety valves to meet the requirements of local codes and standards such as for heating systems (TRD 721).


How do I find the right Leser safety valve?

Finding the right LESER safety valve for your requirements is quick and easy with the LESER Valvefinder. Or take a look at the numerous fields of application for LESER safety valves to find the one you are looking for.


See the numerous fields of application for LESER safety valves.

Find the right valve

Find the right safety valve fast and easy with the LESER Valvefinder.

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