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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


LESER Modulate Action safety relief valves for minimal media loss 21.06.2016 Application-based Solutions: Minimal media loss with our Modulate Action safety relief valves

Your chemical plant processes expensive media and with every media loss you lose money? Our Modulate Action safety relief valves operate efficiently and minimize the media loss to the lowest level.

We deliver your safety relief valve fast and reliable – worldwide 01.06.2016 Services around the Safety Valve: We deliver your Safety Relief Valve fast and reliable – Worldwide

Your plant is not operating at all and you need immediate replacement? With our fast track delivery you will receive your standard safety relief valve within 24 hours - worldwide.

New material for bonnet spacers of API safety relief valves 25.05.2016 New Material and Optimized Design for API Product Group

We optimize continuously our safety relief valve product portfolio. We will gradually switch to new materials for bonnet spacers of API safety relief valves.

Contacts in your country



Telephone: +49 40 25165 100

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