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LESER Nanotightness

LESER Nanotightness

The LESER Nanotightness technology for reliable valve function exceeds the tightness requirements of API 527 by 50%

More about LESER Nanotightness
Cool Solutions

Cool solutions

LESER offers safety valves for industrial refrigeration

To cool solutions
Urea-Synthesis Valve

A particular Medium

Urea plants have special safety valves requirements. Here is your solution.

Further Information
POSV for high pressure

Safety valves for high pressure

LESER expands the range for pilot-operated safety valves up to 426 bar/ 6170 psig.

To pilot-operated safety valves
Safety valves for FPSO

FPSO solutions for safety valves

Due to high alloy materials LESER safety valves are extremly corrosion-resistant.

Safety valves for FPSO

Welcome to LESER

Safety valves for all industrial applications

Safety relief valves from LESER reliably protect industrial applications against overpressure. Browse the product range and see some of our references.

LESER UK provides support and service directly from the manufacturer and holds a large stock with local assembly. Ask your LESER sales partner for competent consulting, convenient ordering, fast and punctual delivery and after sales service.

LESER products


The Engineering Handbook from LESER with detailed technical information about safety relief vales 27.07.2016 Services around the Safety Valve: Use our Engineering Handbook for detailed technical information about safety relief vales

With our webservices we offer you comprehensive information and support around the safety relief valve – so does the LESER Engineering Handbook.

21.07.2016 Passion for Technology: LESER France – Each customer will be supported according to their individual needs

With our French headquarter in Toulouse we provide technical expertise and quick support for your safety relief valves in France.

14.07.2016 Long-term Global Partnership: LESERs global sales and service network

In order to provide you with optimal local consultancy, we established a global network. In each core market of the world we have a subsidiary or a long-term representative.

Contacts in your country



Telephone: +49 40 25165 100

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