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Chemical Industry. LESER pressure relief valves. safety valve.


Reliable protection for a diverse industry

LESER Pressure Relief Valves for the Chemical Industry

The LESER range of pressure relief valves are able to meet the requirements for the many different types of plants in the chemical industry.  Our wide product range, technical expertise, and the ability to integrate into growing supply chains makes us a trusted partner, to match the increasing demand for quantity and diversity within the Chemical Industry.

Type 441 of the High Performance product group is the standard pressure relief valve for the chemical industry. 
For highly corrosive media such as chlorine, the Critical Service product group has been especially designed
Modulate Action pressure relief valves minimise media losses. 

For increased plant availability, there is the option for the LESER change-over valve in combination with pressure relief valves from the Best Availability product group.

LESER API pressure relief valves

Pressure relief valves according to API 526 with standardized capacities and dimensions

LESER high performance pressure relief valves

Pressure relief valves for all industrial applications

LESER Critical Service pressure relief valves. PTFE

Pressure relief valves with PTFE-lining for corrosive media

LESER Pilot operated pressure relief valves

Solutions for high plant efficiency

LESER modulate action pressure relief valves

Pressure relief valves for low pressure dynamics

LESER compact performance pressure relief valves

Pressure relief valves according to API 526 with standardized capacities and dimensions

LESER change-over valves. best availability

Additional products for higher plant availability


Improve the operating characteristics of your safety valve

The Advantage of LESER Pressure Relief Valves

From overpressure protection during thermal expansion in pipelines to process steam or toxic and corrosive media. With the LESER Alloy Concept, aggressive media can also be protected.

Reduced media losses will improve efficiency, and ensure the protection of life and the environment. LESER Nanotightness technology meets Special Tightness requirements, such as PAS 1085. LESER pilot operated safety valves, or the use of the supplementary loading system meet and even exceed these requirements.



View or download information about LESER products by application area

Application areas product catalogue
contact LESER UK


For ALL LESER Safety Valve enquiries In the United Kingdom - Contact LESER UK​

There are many ways to get in touch:

Use our Online Enquiry From

Complete our online enquiry form to quickly find the most suitable product.  Click Here

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Email your enquiry to together with any questions.  We aim always to respond within the 24 hours.

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Speak to one of the LESER UK sales engineers today: +44 (0)117 930 6113


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