Leser

LESER – Protecting People, the Environment and Industry  

With more than 1,200 employees and 150,000 safety valves produced annually, LESER is the largest manufacturer of safety valves in Europe and one of the leading companies in its industry worldwide.

100% focussed on Safety Valves

LESER offers spring-loaded and pilot-operated safety valves for all industrial applications in accordance with the Pressure Equipment Directive and ASME XIII. Major companies in the industries of chemicals, oil and gas, petrochemicals, energy, industrial gases, LNG/LPG, pharmaceuticals, food and beverages, shipbuilding and heating and air conditioning rely on LESER safety valves.

The LESER product range includes nine product groups, 40 types, 1,500 options, and over 2,000,000 possible configurations. These safety valves protect systems and processes against unacceptable overpressure and comply with global standards, local regulations, and the requirements of classification societies.

The product portfolio offers a variety of solutions:

• Compact Performance safety valves with compact dimensions and variable connections
• High Performance safety valves for all industrial applications
• API safety valves according to API 526 with standardized performance, installation dimensions, and materials
• Critical Service safety valves with PTFE lining for corrosive media
• Clean Service safety valves for food, beverage, and pharmaceutical applications
• Modulate Action safety valves primarily for liquid applications

LESER is a leading manufacturer of safety valves for industrial applications and has stood for quality and reliability for over 200 years. LESER safety valves are designed for a service life of up to 30 years and can be resource-efficiently adapted to changing operating conditions using original spare parts. LESER places great importance on sustainable and innovative practices, utilizes renewable energy, implements advanced occupational health and safety regulations, and plans for sustainable long-term growth. This commitment is verified through external audits and membership in the UN Global Compact.

LESER safety valves are developed for the international market in Hamburg and manufactured at the state-of-the-art facility in Hohenwestedt, Germany. Additionally, LESER produces safety valves in India and China to the same standards for local markets. Nine subsidiaries in Europe, the Americas, the Middle East, and Asia, as well as authorized representatives in over 80 countries, ensure expert customer support, worldwide certifications, and fast, reliable deliveries.

We place great importance on the high quality of the products we deliver – reliability plays an equally important role. LESER safety valves undergo multiple quality checks and a variety of tests. LESER is globally certified according to DIN EN ISO 9001, ensuring consistent quality across all locations.