Flowserve

What Flowserve does

Flowserve Corporation (NYSE: FLS) is a publicly traded industrial flow control company headquartered in Irving, Texas, that designs, manufactures, and services pumps, valves, seals, actuators, instrumentation, energy recovery devices, and decoking systems for critical infrastructure applications. Founded in 1947 (with predecessor brands dating to 1840) and operating with approximately 16,000 employees across more than 150 Quick Response Centers globally, the company serves five primary verticals: power generation (including nuclear, conventional steam, combined cycle, concentrated solar, biomass, and geothermal), chemical processing, oil and gas, water management, and mining. Flowserve's installed base includes 5,000+ pumps and 15,000+ valves across 200+ nuclear reactors worldwide, representing a deeply embedded footprint in safety-critical applications. The portfolio is unified under the Flowserve master brand while maintaining 31 heritage sub-brands (Worthington, Durco, Byron Jackson, Edward, Argus, INNOMAG, SIHI, Limitorque, MOGAS, and others) that address distinct technology segments and customer specifications.

The company generates revenue through two primary streams: Original Equipment Manufacturing (hardware sales of pumps, valves, seals, and automation equipment) and Aftermarket Services and Parts (lifecycle support, repairs, spare parts, and field services delivered through the global QRC network). Service agreements are structured in three tiers (Principal, Plus, Premier) with multi-year contract durations, embedding the company into customer operations. Pricing is quote-based and not publicly disclosed. The RedRaven IoT platform, distributed through a Honeywell partnership, provides condition monitoring and predictive analytics on top of the installed equipment base, while the Energy Advantage Program offers system-wide energy optimization consulting with claims of 18-month payback. FY2025 revenue totaled approximately $4.7 billion, with Q4 2025 revenue of $1.22 billion (+3.5% YoY) and aftermarket bookings exceeding $600 million for eight consecutive quarters.

Flowserve's go-to-market is centered on direct enterprise field sales targeting large industrial customers, supplemented by channel partnerships (notably Honeywell for RedRaven distribution) and a global QRC service network. Distribution is complemented by 17 training academies across North America, Latin America, EMEA, and Asia Pacific. Recent strategic moves include the announced $490 million acquisition of Trillium Flow Technologies' Valves Division (Feb 2026) to deepen nuclear and power market reach, the completed $72 million acquisition of Greenray Turbine Solutions (Dec 2025) for gas turbine aftermarket expansion, and a $500 million senior notes offering (May 2026) to fund inorganic growth. The company is currently navigating activist pressure from Starboard Value LP (disclosed April 2026) urging operational improvements, alongside leadership transitions including a new Pumps Division president and board addition of Duke Energy CFO Brian Savoy.

Name

Flowserve

Legal name

Flowserve Corporation

Website

https://flowserve.com

Company type

Public

Founded year

1947

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Flowserve is a global industrial flow control company that designs, manufactures, and services pumps, valves, seals, and actuators for power generation, oil and gas, chemical processing, water, and mining customers, operating through 150+ service centers and 31 heritage brands.

Ownership category

akta.pro rank

Product category

Industrial Flow Control

NAICS

Pump and Compressor Manufacturing (33391), Fluid Power Valve and Hose Fitting Manufacturing (332912), Fluid Power Cylinder and Actuator Manufacturing (333995), Oil and Gas Field Machinery and Equipment Manufacturing (333132), Totalizing Fluid Meter and Counting Device Manufacturing (334514)

SIC

Pumps & Pumping Equipment (3561), General Industrial Machinery & Equipment (3560), Oil & Gas Field Machinery & Equipment (3533), Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050)

akta.pro primary industry

Pump & Compressor Packages (Skids, Booster Sets) (IMAHANAG)

akta.pro secondary industries

Pneumatic Components (FRLs, Cylinders, Valves) (IMAHAGAC), Filtration, Condition Monitoring & Fluid Management (Filters, Breathers, Oil Analysis, Cooling) (IMAHAGAL), Hydraulic, Pneumatic & Fluid Power Systems MRO (Cylinders, Pumps, Valves, Hoses) (TLAKAHAI), Aftermarket Parts, Service & Remanufacturing (Pumps/Compressors) (IMAHANAJ)

Keywords

• Industrial flow control
• Process pumps valves
• Mechanical seal systems
• Industrial valve actuators
• Energy recovery devices

Headquarters

HQ city

Irving

HQ country

United States

HQ region

North America

Offices17 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Original Equipment Manufacturing (OEM): Flowserve manufactures and sells pumps, valves, seals, and automation equipment for critical infrastructure. Revenue from direct equipment sales to industrial customers across power, chemical, water, mining, and oil & gas sectors. Q4 2025 revenue was $1.22 billion with full year 2025 sales totaling approximately $4.7 billion.
2. Aftermarket Services and Parts: Comprehensive lifecycle support through Quick Response Centers (QRCs), service agreements, repairs, spare parts, and field services. The company reported eighth consecutive quarter with aftermarket bookings exceeding $600 million. Aftermarket bookings grew 10.4% to $682.3 million in Q4 2025.
3. Service Agreements: Long-term service agreements providing preventive maintenance, repairs, parts management, and remote monitoring across Flowserve and non-Flowserve equipment. Three tiers offered: Principal, Plus, and Premier with varying levels of support including energy optimization and predictive analytics.
4. Nuclear and Power Generation Products: Specialized products for nuclear reactors including pumps, valves, and seals. The company supports over 200 nuclear reactors globally. 2025 nuclear bookings reached $400 million. The pending Trillium acquisition targets expansion in nuclear and power markets.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Flowserve designs, manufactures, and services industrial flow control equipment — including pumps, valves, mechanical seals, actuators, instrumentation, energy recovery devices, and decoking systems — for customers in power generation, oil and gas, chemical, water, and mining industries. The company supplements equipment sales with a global aftermarket services network (150+ Quick Response Centers), multi-tier service agreements, and digital monitoring through the RedRaven IoT platform.

Product overview

Flowserve is an industrial flow control company offering a comprehensive portfolio of pumps, valves, seals, actuators, instrumentation, energy recovery devices, and decoking systems. The product portfolio spans six core product categories—Pumps, Seals & Systems, Valves, Actuators & Instrumentation, Energy Recovery Devices, and Decoking Systems—supported by 20+ heritage sub-brands including Worthington, Durco, Byron Jackson, Edward, Argus, INNOMAG, SIHI, Limitorque, Kämmer, MOGAS, McCANNA, Nordstrom, Pac-Seal, Valtek, and Worcester. The portfolio is unified under the Flowserve master brand while maintaining distinct product brands for different market segments. The company also offers RedRaven IoT monitoring solutions and the Energy Advantage Program service offerings for digital monitoring and energy optimization.

Differentiator

Problem solved

Functional benefit

Brands

• Argus: High-quality engineered ball valves for harsh conditions including severe service applications prone to abrasion, corrosion and erosion, commonly used in chemical, petrochemical and refinery operations
• Automax
• Byron Jackson
• Durco
• Edward
• INNOMAG
• Kämmer
• Limitorque
• McCANNA
• MOGAS
• Nordstrom
• Pac-Seal
• SIHI
• Valtek
• Worcester
• Worthington
• RedRaven
• Energy Advantage Program

Products and services

• Pumps and Pump Systems Industrial pumps and engineered pumping systems for oil and gas, chemical processing, power generation, water resources, and general process industries, sold under the Worthington, Durco, INNOMAG, Byron Jackson, and SIHI sub-brand product lines.
• Valves Custom-engineered industrial valves — including ball, butterfly, control, gate, globe, check, and plug valves — for chemical, petrochemical, power, oil and gas, and general industrial applications, sold under heritage sub-brands Argus, Edward, MOGAS, McCANNA, Nordstrom, Valtek, Worcester, and Kämmer.
• Mechanical Seals and Sealing Systems Mechanical seals and sealing systems (including the Pac-Seal elastomeric bellows product line) that deliver reliability, safety, and environmental protection for rotating equipment such as pumps, compressors, mixers, and specialty applications.
• Actuators and Instrumentation Intelligent flow control solutions including Limitorque multi-turn and quarter-turn electric actuators, Automax pneumatic actuators and positioners, electronic positioners, level switches, and remotely controlled electric, hydraulic, and pneumatic actuators.
• Energy Recovery Devices Energy recovery devices, including isobaric pressure exchangers (FLEX), used to reduce energy consumption in SWRO seawater reverse osmosis desalination processes.
• Decoking Systems Hydraulic decoking equipment and cutting tools (including the CT2.0 cutting tool and Double Shoulder Drill Stem) used by more than 95% of the decoking industry for delayed coker units in refineries.
• RedRaven IoT Condition Monitoring and Predictive Analytics Platform End-to-end IoT solution for industrial flow control — smart sensors, cloud architecture, analytics, condition monitoring, and predictive analytics services — enabling monitoring of thousands of assets across sprawling facilities. Distributed in partnership with Honeywell.
• Energy Advantage Program System-wide analysis of existing flow loops with tailored recommendations for energy savings, implementing solutions to optimize system performance. Claims an average payback timeline of 18 months or less.
• Flowserve Aftermarket Services and Service Agreements Lifecycle support through 150+ Quick Response Centers worldwide, including service agreements in three tiers (Principal, Plus, Premier), preventive maintenance, repairs, spare parts, field services, startup and commissioning, and remote monitoring — for both Flowserve and non-Flowserve equipment.
• Aquapac Seal for Oil-Free Hydrogen Compression Water-lubricated mechanical seal for oil-free screw compressors used in green hydrogen compression, eliminating oil or inert-gas contamination with validated zero-leakage operation up to 12,500 RPM.
• LMX Cartridge Lip Seal Carbon-free, dry-running cartridge lip seal engineered for demanding top-entry mixers, reducing contamination risk at the source for applications where product purity, precision, and integrity are critical.

Quantifiable outcome

• 288 GWh energy savings through Energy Advantage Program
• +9 more outcomes

Named customers7 records

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• HoneywellcoreTechnology or Integration · 17 February 2026Flowserve announced RedRaven IoT becoming a profit center through a Honeywell partnership. The partnership expands distribution of RedRaven's complete end-to-end IoT solution for industrial flow control monitoring, including smart sensors, cloud architecture, analytics, condition monitoring, and predictive analytics services.
• Trillium Flow TechnologiescoreStrategic or Co-development Partner · 5 February 2026Flowserve agreed to acquire Trillium Flow Technologies' Valves Division for $490 million in cash. The acquisition expands Flowserve's nuclear and power market reach, adding over 200,000 installed units including assets at 115 operating nuclear reactors. Expected to close mid-2026 pending regulatory approvals.
• Greenray Turbine SolutionscoreStrategic or Co-development Partner · 17 December 2025Flowserve acquired UK-based Greenray Turbine Solutions for $72 million to expand aftermarket capabilities for mission-critical gas turbine equipment. The acquisition adds approximately $25 million in annual revenue and enhances Flowserve's presence in power generation markets worldwide.
• Lamar UniversityminorStrategic or Co-development PartnerPartnership with Lamar University's Cherry Engineering Building to provide Learning Resource Center for Flowserve training programs. Joint educational initiative providing hands-on training for pumps, valves, seals, and related systems.
• King Fahd University of Petroleum & MineralsminorStrategic or Co-development PartnerPartnership to provide Learning Resource Center at university location in Saudi Arabia. Supports training and education initiatives for flow control equipment and related systems in the Middle East region.
• Royal Commission Yanbu Colleges & InstitutesminorStrategic or Co-development PartnerPartnership to provide Learning Resource Center at Royal Commission Yanbu Colleges & Institutes in Saudi Arabia. Supports training and education for industrial flow control equipment in the region.
• Fermi Inc.minorOthersRob L. Masson II, former CFO at Flowserve, appointed as Interim CFO at Fermi Inc. representing talent mobility from Flowserve to other organizations in the energy and technology sectors.

Scale indicators10 records

Recent moves7 records

Expansion highlights7 records

Direct peers

• Sulzer: Swiss global pump and flow control manufacturer serving oil & gas, power, water, and chemical industries. Sulzer's pump, rotating equipment, and aftermarket service portfolio directly mirrors Flowserve's core product lines and customer base.
• KSB SE & Co. KGaA: German manufacturer of pumps, valves, and related systems for industrial applications including power, oil & gas, water, and chemicals. KSB's product breadth, global service network, and aftermarket focus make it one of Flowserve's closest direct competitors.
• ITT Inc. US-based industrial manufacturer with a substantial Industrial Process (pumps, valves, seals) segment serving chemical, energy, and general industrial markets. ITT's engineered components and aftermarket services directly overlap with Flowserve's portfolio.
• Crane Company: US diversified industrial manufacturer with a Process Flow Technologies segment encompassing process valves, pumps, and fluid handling equipment for chemical, refining, and general industrial customers. Direct overlap with Flowserve's valve and pump offerings.
• Xylem Inc. US water technology company providing pumps, valves, and treatment equipment for water, wastewater, and industrial applications. Significant overlap with Flowserve's water segment and complementary industrial pump portfolio.
• Weir Group: UK-based engineering company focused on mining, oil & gas, and infrastructure flow control solutions including pumps, valves, and comminution equipment. Comparable in target verticals (mining, oil & gas) and aftermarket service model.
• Mueller Water Products: US manufacturer of water infrastructure products including valves, hydrants, and pipe fittings. Overlaps with Flowserve's water segment, particularly in municipal and utility flow control applications.
• Watts Water Technologies: US manufacturer of water flow and treatment products including valves, pumps, and plumbing systems for residential, commercial, and industrial markets. Comparable in water-focused flow control with similar aftermarket model.

Broad incumbents

• Atlas Copco: Swedish global industrial group with compressors, vacuum, and power/flow divisions serving manufacturing, oil & gas, and process industries. Broader portfolio but with substantial overlap in compressors and industrial flow equipment.
• Baker Hughes: US oilfield services and energy technology company providing equipment and services across the upstream, midstream, and downstream value chain. Significant overlap with Flowserve's oil & gas flow control portfolio, particularly in production and processing applications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/flowserve
• YouTubeyoutube.com/user/Flowserveinteractive
• Facebookfacebook.com/flowserve
• LinkedInlinkedin.com/company/flowserve

Revenue estimate

Valuation estimate

Number of profiles

Profiles19 records

Subsidiaries7 records

Funding overview

Funding rounds2 records

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A19 records

Investments2 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Flowserve