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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 LLC, located in Charlotte, NC/ USA, 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


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.

LESER's Commitment to Workplace Safety & Health 24.05.2016 LESER Singapore: We are bizSAFE Certified!

LESER is about Safety: LESER SG has fulfilled the requirements for bizSAFE Level 3 – an act of our commitment to workplace safety and health.

Application-based solutions from LESER Brazil at the Mecânica in São Paulo 19.05.2016 Application-based solutions at the Mecânica in São Paulo

LESER Brazil is exhibiting at the Mecânica trade show this week in São Paulo! More than 2.100 exhibitors and 100.000 visitors are expected this year. Come visit us in Booth A 292 Block B.

Contacts in your country



Telephone: +49 40 25165 100

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