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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 Critical Service safety valve Type 447 with maximum corrosion resistance 19.08.2016 Application-based solutions: LESER Critical Service Safety Valves – the first choice to secure plants with highly corrosive media

You work with chlorine, acids or alkaline solutions and need to secure your plant against over pressure? We offer you with our Critical Service safety valves a standardized solution for this special application.

Application-based solutions from LESER: 9 product groups, 40 Types, 1 Quality 11.08.2016 Application-based solutions: 9 product groups, 40 Types, 1 Quality

With our product range we always offer you the best product for almost every application.

LESER India 05.08.2016 Passion for Technology: LESER India offers German technology, made for India

LESER India, headquartered in Mumbai, produces with its local production facility in Paithan 24.000 safety relief valves each year for the Indian market.

Contacts in your country



Telephone: +49 40 25165 100

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