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Process automation
IMI Bopp and Reuther technician inspects a large flow control valve in a workshop
## We provide you with reliable valve technologies for the nuclear, marine, power and other industrial sectors that enhance the safety of your teams and your plant efficiency.
Engineer inspecting IMI Bopp & Reuther valves on metal platform at customer facility.

Our specialisms

Safety and control for power facilities

Designed for extreme conditions the IMI Bopp & Reuther technologies range supports complex power applications with advanced solutions for isolation, control, and safety.

Custom engineering

Tailored valve solutions to tackle your most complex challenges, designed with you for optimal performance and safety.

Nuclear expertise

Advanced valve solutions for all reactor types, supported by industry certifications and extensive project experience.

Safety systems

High flow safety and submarine valves offering you reliable protection in critical environments to meet international standards.

Technical consulting

We provide you with design, planning, and troubleshooting expertise to keep your operations efficient and minimise downtime.

Regular Flow Safety Valves

IMI Bopp & Reuther Si4302 safety valve diagram with spring mechanism and flanged body.

Pressure Relief Safety Valves

Cross-section of Si032 Safety Valve showing internal spring and lever mechanism for overpressure protection.

High Flow Safety Valves

Si 6106 safety valve cross-section with flanged connections and spring mechanism for high-pressure steam and gas systems.

Industry expertise

Solutions for key industries worldwide

The IMI Bopp & Reuther technologies range is designed for use across a number of the industries you operate in, including conventional and nuclear power as well as the petrochemical and process sectors.
Red CHP power station with three tall chimneys under a clear blue sky.

Power

Offshore oil and gas platform with cranes, pipelines, and exhaust stacks under a clear blue sky.

Oil and Gas

Petrochemical facility with red-and-white towers, flares, yellow process piping and access platforms under blue sky.

Petrochemicals

Industrial facility with silos, conveyors, and raw material piles under a blue sky.

Process Industries

Circular water treatment facility with overflow cascading over evenly spaced barriers.

Water

Molten metal pouring from large crucible in industrial facility with sparks and flames.

Metals

Featured Products

SV - Main Steam Safety Valve

IMI Bopp & Reuther

SV - Main Steam Safety Valve

Si C1 - Pressure Relief Safety Valve

IMI Bopp & Reuther

Si C1 - Pressure Relief Safety Valve

Si 0 - Pressure Relief Safety Valve

IMI Bopp & Reuther

Si 0 - Pressure Relief Safety Valve

Si 2 - Regular Flow Safety Valve

IMI Bopp & Reuther

Si 2 - Regular Flow Safety Valve

Si 4 - High Flow Safety Valve

IMI Bopp & Reuther

Si 4 - High Flow Safety Valve

Si 6 - High Flow Safety Valve

IMI Bopp & Reuther

Si 6 - High Flow Safety Valve

Si 9 - High Capacity Safety Valve

IMI Bopp & Reuther

Si 9 - High Capacity Safety Valve

Design engineer points to CAD model on screen while discussing with colleague in IMI office.

A legacy of excellence

150 years of innovation

At our Mannheim, Germany facility, we have refined our valve technologies over 150 years and installed over 150,000 valves globally. Our IMI Bopp & Reuther range, combined with IMI’s world-class consultation and aftersales services, ensures tailored solutions for your key applications, keeping you operationally effective.
Engineers review technical drawings on a factory floor, with one pointing at schematics using a red pen.

Customised solutions

Tailored to meet your application needs

Our engineering experts draw on many years of application and systems knowledge to develop tailored solutions that meet your application requirements.

Real world impact

Explore the latest news, expert advice, and power industry opinions

Blog

by Multiple Authors

Tier 3: Advanced control cages

June 11, 2026

6 min read

Blog

by IMI Publications

IMI resolves severe valve erosion at Wildcat Point energy facility

May 26, 2026

3 min read

Blog

by Multiple Authors

Tier 2 valves: Precision-flow through single-stage design

May 19, 2026

6 min read

FAQ

Need support with safety valve applications?

Get guidance on existing safety valve equipment, new requirements, servicing, replacement or application support for demanding process environments.
IMI engineer stands with arms crossed in front of CAD screens displaying engineering designs.