Application-based Solutions: Increased efficiency and productivity in your plant with LESER Pilot Operated Safety Valves

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Source: Leser GmbH & Co. KG

We efficiently secure your plant with an operating pressure of up to 426 barg / 6170 psig with our Pilot Operated Safety Valves (POSV).

Construction of a POSV

The POSV consists of a main and a pilot valve. The pilot valve has two designs: The pop action-design ensures a rapid opening of the main valve. This version is important for applications where the discharge capacity needs to be reached quickly e.g. for gas applications. The modulate action-design has a gradual opening. The aim is, to minimize the media loss. The Pilot Valves are robust and not sensitive to vibrations, which guarantees a safe working even if there are vibrations and oscillations in the system.

Spacialties about the POSV

A POSV has a higher tightness especially near the set pressure, resulting in possible operating pressures of up to 97% of the set pressure. Besides, POSV are applicable for high back-pressures of up 70% of the set pressure. Above that, the POSV has a compact construction and a lower weight.

Possible application areas are:

  • compressors in gas main systems
  • blow-off pipes in the oil and gas industry
  • feed pipes in the oil and gas industry
  • pumps in all industries
  • Off-shore (platform, FPSO)
  • LPG-Carrier

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