The world’s demand for clean, reliable energy has never been greater, and nuclear power is rising to meet this challenge.

For more than seven decades, Flowserve has played a critical role in advancing nuclear technologies and supporting the industry’s growth worldwide. From the earliest reactors of the 1950s to today’s large-scale plants and next-gen Small Modular Reactors, we’re proud to partner with global leaders to provide the expertise, innovation and reliability that will power a sustainable energy future.

Comprehensive Range of Equipment for Nuclear Power Plants

Pumps

Reactor Coolant Pumps (Class 1, sealless or with shaft seals)
Nuclear Auxiliary Pumps (Class 1-3)
Boiler Feed, Cooling Water & Condensate Pumps
Recirculation, Residual Heat Removal (RHR), and Service Water Pumps
High-temperature and Gen IV capable pumps (Salt, sodium, lead)
Vertical Turbine Pumps, Overhung and Double-suction Designs

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Equipment for Nuclear Applications Valves and Actuators

Valves & Actuators

Main Stream Isolation Valves  (MSIV)
Feedwater Isolation Valves  (FWIV)
Globe, Gate, Check, Butterfly, Plug & Ball Valves  (in multiple configurations)
Limitorque® Motor Operators  (Environmental qualified, Class 1)
Linear Globe/Angle Control Valves

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Equipment for Nuclear Applications Seals

Mechanical Seals

Class 1-3 primary seals  (N-Seal)
Reactor, recirculation, and safety system seals
Cartridge mechanical seals for improved service life
Seal upgrades and leakage control solutions

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Full Nuclear Lifecycle

Flowserve delivers integrated solutions for every stage of the nuclear lifecycle – from initial design and construction to operation, life extension and decommissioning.

With our unmatched experience, nuclear facilities benefit from support that enables safety, efficiency and long-term reliability.

Design

Collaborating early with EPCs, reactor developers, and utilities, Flowserve provides application engineering, safety consulting, material guidance, and R&D support to shape reliable, nuclear-compliant systems.

Early collaboration with EPC Firms, Reactor Developers, Operators and Utilities to shape system architecture
Application engineering and safety consulting for pumps, valves and seals
Material selection and technical guidance to meet nuclear standards
Prototyping and R&D support for advanced reactor concepts

Nuclear Dedicated Site Map

Partnering to Enable the Global Expansion of Nuclear Energy

We offer a global network of manufacturing and service centers - each dedicated to the unique requirements of safety-related and non-safety-related nuclear solutions. Our Quick Response Centers (QRCs) also ensure that wherever your operations are located, you receive rapid, expert service, combining worldwide reach with local, on-the-ground support.

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Customer Spotlight

“Nuclear energy is essential to building a decarbonized future. Aligned with our 3D growth strategy, Flowserve is proud to partner with the world’s nuclear leaders to deliver solutions that drive clean energy, economic resilience, and long-term sustainability.”

R. Scott Rowe
President & CEO, Flowserve Corporation

Flowserve to supply critical equipment for EDF’s EPR2 Nuclear Program in France

Flowserve is providing critical pumps and seals to support EDF’s EPR2 nuclear reactor project in France, building on proven EPR technology with key improvements. Our flow control solutions will support essential services such as fuel pool cooling, containment heat removal, and non-safety applications like wastewater management.

Flowserve Collaborates with Aalo Atomics to Advance Next-Generation Nuclear Reactor Technology

Flowserve has entered a strategic collaboration with Aalo Atomics, a Texas-based innovator in advanced reactor technologies. Under this agreement, Flowserve will design and manufacture primary sodium pumps and critical flow control components, leveraging decades of expertise in sodium flow control dating back to the Experimental Breeder Reactor-II. This partnership underscores Flowserve’s commitment to enabling global nuclear energy expansion, driving innovation, and supporting future projects with proven, reliable solutions.

Helping Power 6 Million UK Homes

Flowserve is supplying critical pump and valve technology for one of the UK’s largest clean energy projects, supporting fuel pool cooling, containment heat removal, wastewater management and safety of the secondary circuit. The project will deliver low-carbon electricity to six million homes and play a key role in the UK’s energy independence.

Accelerating India’s Nuclear Success

Flowserve has received official approval from the U.S. Department of Energy (10 CFR Part 810) to be able to manufacture safety-critical pumps for India’s new reactors at our Coimbatore, India facility.

This achievement, made possible through our collaboration with Core Energy Systems Limited and carried out in support of Nuclear Power Corporation of India Limited (NPCIL) and India’s Department of Atomic Energy (DAE), marks a significant step forward in India’s nuclear growth and the global clean energy transition.

Trusted Compliance and Expertise in Nuclear Standards

Flowserve is globally certified to deliver the quality and safety your nuclear facility demands, and holds all major international and national qualifications for the design and manufacture of pumps, valves, and seals, including: