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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
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
Cool Solutions

Cool solutions

LESER offers safety valves for industrial refrigeration

To cool solutions
LESER Spare Parts Kits

LESER Spare Parts Kits

LESER Original Spare Parts Kits simplify ordering, stocking and logistics.

Learn more about Spare Parts Kits
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

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 VALVESTAR®-Version available in order to size and select LESER safety valves 19.10.2016 Services around the safety salve: VALVESTAR 7.3.1 now available

LESER has updated the sizing program VALVESTAR. As of now, the new version 7.3.1 is available.

Cool safety valve solutions from LESER 11.10.2016 Application-based solutions: Cool solutions from LESER at the Chillventa 2016!

Industrial refrigeration is essential for production processes in industries such as oil and gas, chemical or petrochemical.

26.09.2016 Passion for Technology: Progress for more safety

Investing more than 5 million EUR per year into modern technology and processes LESER has set new standards regarding economic efficiency.

Contacts in your country



Telephone: +49 40 25165 100

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