Flow Control Market Update – December 2025

Rotating Equipment and Predictive Maintenance Demand Emerge as Catalysts For Flow Control Market Consolidation

Flow Control market has become a prime target for heightened merger and acquisition (M&A) activity from both strategic and financial investors, driven by consolidation strategies, attractive aftermarket economics, and the sector’s critical role in industrial digitalization and energy efficiency. Long-term growth tailwinds have been underwritten by investment requirements in utilities, transportation, infrastructure, artificial intelligence (AI) driven energy requirement, and U.S. reshoring. These investments—combined with performance enhancements, the transition to the industrial Internet of Things (IIoT), and supply chain resilience initiatives—have elevated the importance of flow-control subsectors such as Rotating Equipment, Pumps, Valves, Seals, Actuators, and, increasingly, Turbines and Turbomachinery as mission-critical assets. Aftermarket services for these components have accounted for more than 50% of revenues at leading original equipment manufacturers (OEMs) and 81% of OEMs plan to increase aftermarket investment in the next five years, according to an article from Aftermarket Matters.¹ This has reshaped sector economics with margins nearly double those of new equipment. Structural tailwinds such as the liquefied natural gas (LNG) infrastructure cycle, gas turbine revival, and decarbonization initiatives (including hydrogen compression and carbon capture, utilization, and storage [CCUS]) have sustained multi-year demand visibility, while regulatory pressures on efficiency accelerate upgrades across legacy installations. Concurrently, strategic themes like IIoT-enabled predictive maintenance, electrified compression, and lifecycle cost optimization have redefined competitive positioning. Against this backdrop, robust M&A activity and premium valuations for service-heavy businesses have underscored a sector pivot from cyclical hardware sales toward recurring, high-margin service ecosystems, signaling a new era of value creation for investors and operators alike.

M&A activity reflects a sector pivot towards scalable, service-heavy flow control platforms, where AI-driven predictive maintenance and aftermarket economics deliver premium valuations and long-term value creation.

Wolfgang ZahnerDirector, Capstone Partners

AI-Driven Predictive Maintenance Reshapes Rotating Equipment Reliability

Rotating equipment has played a central role in the Flow Control market, managing the movement and regulation of fluids across industrial processes. Pumps, valves, seals, and actuators ensure precise delivery of liquids and gases under varying pressure and temperature conditions. These setups are often found within complex systems including chemical plants, pharmaceuticals, life sciences, food and beverage, oil and gas facilities, and water treatment operations, among others. Equipment complexity and criticality have begun to advance beyond simple mechanical use cases, driven by increased investment in AI-powered monitoring systems that deliver real-time insights, predictive maintenance capabilities, and enhanced operational reliability across industrial environments. Leading public players have signaled the importance of intelligence within the sector, investing heavily in the development of AI-powered solutions. Several notable technology-enabled solutions are highlighted below.

• Alfa Laval’s (OM:ALFA) launch of Clariot in June 2025 marked a considerable leap in AI-driven condition monitoring for hygienic process equipment. The system offers 24/7 surveillance of pumps and agitators with real-time alerts on mechanical, process, and installation conditions. By utilizing predictive maintenance, Clariot has helped operators prevent failures, reduce resource waste, and sustain high-performance operations, delivering rapid return on investment (ROI). In an example 50-pump setup, just one unplanned stop per quarter can result in annual losses of approximately $90,000, according to Alfa Laval.² Priced at less than one-tenth of this loss scenario, Clariot offers a cost-effective and technically differentiated solution to operators.
• Flowserve’s (NYSE:FLS) RedRaven platform provides an end-to-end IIoT solution designed to optimize the performance and reliability of rotating equipment in flow control environments. RedRaven has integrated hazardous area-certified sensors, secure communication systems, and advanced analytics to deliver real-time monitoring and predictive maintenance capabilities for pumps, seals, and valves. The IIoT solution has enabled operators to detect subtle deviations that may signal impending equipment failure by capturing and analyzing data such as vibration, temperature, pressure, and flow. Its predictive algorithms can identify more than 15 pump failure modes, allowing maintenance teams to act proactively and reduce unplanned downtime, according to Flowserve.³ The platform’s cloud-based insight portal provides actionable diagnostics and trend reporting, while its remote monitoring specialists offer expert guidance to ensure peak operational efficiency. RedRaven has not only enhanced equipment safety and reduced total cost of ownership but also empowered industrial facilities to refocus maintenance efforts on critical assets, improving plant-wide productivity and reliability.

Infrastructure Modernization Fuels Financial Dealmaking in Flow Control Markets

M&A activity in the Flow Control market has bumped up to 114 deals year to date (YTD) November 2025 from 97 in the prior year period, representing an increase of 17.5% year-over-year (YOY). The step‑up reflects buyers leaning into more resilient, mission‑critical niches (valves, actuators, pumps, seals, instrumentation) with high aftermarket exposure and attractive service margins. Larger players have continued to consolidate smaller, specialized firms within fragmented subsegments to streamline product portfolios, enhance technological capabilities, and achieve economies of scale. Stabilized financing conditions, demand tailwinds across the Water & Wastewater and Energy segments, and robust growth in data center thermal management solutions have sustained deal appetites. Financial sponsors have deployed dry powder into add‑ons to capture procurement and distribution synergies, expand line cards for cross-selling, rationalize overhead, and expand geographically. Platform acquisitions in the Flow Control market have surged 25% YOY, demonstrating heightened sponsor appetite for scalable assets with strong end market demand visibility. Additionally, add‑ons have risen 83.3% to 33 deals in YTD 2025 as roll‑up theses have prevailed. Taken together, this surge in sponsor-led activity has reinforced a clear pivot toward scale-building strategies as buyers leverage robust liquidity and operational playbooks to consolidate fragmented niches and position portfolios for robust exits.

Private strategic deal volume has risen 9.4% and public strategics ticked lower 11.4% YOY, as strategics’ pursuit of tuck‑ins has slowed. However, these buyers have still comprised the majority (57.9%) of overall deal volume to date. Among this cohort, activity has skewed towards deals for domestic (U.S.- and Canada-based) assets (64.0%), signaling continued focus on regional supply assurance and installed‑base capture. Additionally, buyers have targeted companies able to offer enhancements to existing technology solutions. Of note, Pentair (NYSE:PNR) acquired Hydra-Stop from Madison Industries for an enterprise value of $290 million (August 2025). Hydra-Stop is a leading provider of specialty insertion valves and line-stop fittings that allow utilities to perform maintenance without shutting down entire water systems, a critical capability for municipalities and essential facilities. The company is expected to generate approximately $50 million in revenue in 2025 with a 30% return on sales, according to a press release.⁴ Despite many businesses facing economic shocks in the last twelve months (LTM)—ranging from supply chain instability to inflationary pressures—that have complicated efforts to establish reliable performance, the sector’s ability to sustain elevated deal flow highlights buyers’ confidence in mission-critical systems and long-term infrastructure resilience.

Flow Control Players Leverage M&A to Strengthen Infrastructure and Aftermarket Exposure

A combination of scale-driven cost synergies, supply chain optimization, and rising demand for mission-critical technologies across Water, Energy, and Industrial Infrastructure verticals is expected to accelerate margin expansion and strengthen competitive positioning, enabling sustainable growth and enhanced shareholder value. Scale-driven cost synergies have served as key drivers of the acceleration in M&A volume witnessed to date. Total global disclosed deal value has increased 144.7% YOY to $53.2 billion YTD, led by Baker Hughes’ (Nasdaq:BKR) July 2025 acquisition of Chart Industries (NYSE:GTLS) for an enterprise value of $13.2 billion, equivalent to 3.1x EV/Revenue and 13.1x EV/EBITDA. Veolia Environment (ENXTPA:VIE) added to this sum with its May 2025 acquisition of the remaining 30% stake in Veolia Water Technologies & Solutions (WTS) from Caisse de dépôt et placement du Québec (CDPQ) for $1.8 billion, valuing the company at an enterprise value of $5.8 billion, equivalent to 1.6x EV/Revenue and 11.4x EV/EBITDA. These large-scale Flow Control transactions have commanded attention, but middle-market deals have achieved comparable or even superior multiples, driven by limited investment opportunities and strong buyer demand for quality assets. Additionally, promised divestitures from carve-outs are expected to return capital and may trade at premium valuations due to heightened competitive dynamics in the M&A market. The sector’s ability to sustain elevated deal flow despite macroeconomic headwinds has amplified buyer confidence in rewarding exit opportunities for continued investments in scalable, technology-enabled flow control assets. Sector M&A activity has highlighted the strategic importance of facility resilience and operational efficiency in shaping the next phase of flow control M&A. Several notable transactions are highlighted below.

• Parker-Hannifin to Acquire Filtration Group (November 2025, $9.3 billion, 4.6x EV/Revenue, 19.6x EV/EBITDA) – Parker-Hannifin (NYSE:PH) announced the acquisition of Filtration Group (FG) from Madison Industries for an enterprise value of $9.3 billion, equivalent to 4.6x EV/Revenue and 19.6x EV/EBITDA (November 2025). The transaction significantly expands Parker’s global Industrial Filtration platform, creating one of the largest filtration businesses worldwide and strengthening its aftermarket capabilities. FG, a provider of proprietary filtration and separation technologies, serves mission-critical applications across Life Sciences, HVAC, and Industrial markets. The company is expected to generate $2 billion in calendar year (CY) 2025 sales with an EBITDA margin of 23.5%, and approximately 85% of revenue from aftermarket channels, according to a press release.⁵ Parker anticipates $220 million in pre-tax cost synergies within three years, leveraging its Win Strategy integration model which has proved successful with the acquisitions of Meggitt (August 2021, $9.9 billion, 4.9x EV/Revenue) and LORD (April 2019, $3.6 billion, 3.6x EV/Revenue, 16.5x EV/EBITDA). “This strategic transaction continues our investment in high-quality businesses that transform our portfolio, accelerate growth, and improve profitability. Filtration Group’s complementary technologies and strong aftermarket presence enhance our ability to serve customers globally,” said Jenny Parmentier, Chairman and CEO of Parker-Hannifin, in the press release. The combined entity’s scale and aftermarket strength are expected to heighten competitive pressure on incumbents such as Donaldson (NYSE:DCI), Danaher’s (NYSE:DHR) Pall, and MANN+HUMMEL, while signaling that PE-owned filtration assets like Porvair and Nederman, among others, could attract increased strategic interest as peers seek to compete with Parker’s expanded footprint.
• Kadant Acquires Clyde Industries Holdings (October 2025, $175 million, 1.9x EV/Revenue) – In October 2025, Kadant (NYSE:KAI) acquired Clyde Industries Holdings for an enterprise value of $175 million, or 1.9x EV/Revenue. The transaction marks a strategic expansion of Kadant’s Industrial Processing business unit into key service lines and geographies. Clyde Industries, a global provider of engineered boiler efficiency and cleaning system technologies, specializes in optimizing performance, reducing operational costs, and supporting sustainability initiatives for customers across Energy, Pulp & Paper, and General Industrial markets. The company adds significant scale and technical depth to Kadant’s portfolio, introducing operations across Brazil, Canada, China, Finland, and Indonesia and $92 million in annual revenue in fiscal year (FY) 2025, according to a press release.⁶ “Clyde Industries shares our commitment to driving Sustainable Industrial Processing, and this acquisition supports our strategic goals for expanding our industrial processing offerings to adjacent markets. The capabilities and innovations Clyde Industries provides complement and expand our product portfolio, making them an excellent fit with Kadant,” said Jeffrey L. Powell, President and CEO of Kadant, in the press release. The acquisition reflects broader consolidation trends in the Flow Control sector, where buyers have targeted resilient, mission-critical technologies to unlock operational synergies and long-term growth.
• H.I.G. Capital-Backed United Flow Technologies Acquires Sydnor Hydro (September 2025, Undisclosed) – United Flow Technologies (UFT), a portfolio company of H.I.G. Capital, acquired Sydnor Hydro in September 2025 for an undisclosed sum, marking a strategic expansion of its pump distribution and service capabilities in the Mid-Atlantic region. Sydnor Hydro is a Virginia-based provider of groundwater, water, and wastewater systems and products, serving federal, state, municipal, and industrial customers across Maryland, North Carolina, South Carolina, and Virginia. The acquisition adds technical expertise and customer relationships to UFT’s growing portfolio, fortifying its regional footprint and pump service capabilities. “Sydnor Hydro delivers over 135 years of experience and a legacy of representing top-tier water, wastewater, and industrial pumping solutions. The addition significantly strengthens UFT’s presence in the Mid-Atlantic region and world class pump service capabilities,” said Matt Hart, CEO of UFT, in a press release.⁷ The deal marks UFT’s sixth transaction in YTD 2025, following the closings of Bissnuss and Heyward (July 2025, undisclosed) and Quality Controls, Moss Kelley, and GP Jager (April 2025, undisclosed). These moves reflect UFT’s commitment to building a national platform through inorganic growth, consistent with sector-wide consolidation trends aimed at achieving geographic expansion, products and service capabilities, and long-term value.

Rotating equipment has become increasingly central to the Flow Control sector, though its role varies by market segment. For flow control specialists, core offerings such as pumps and blowers remain supported by stable demand and strong operational metrics. In adjacent sectors, turbines and turbomachinery have emerged as strategic priorities, driving investment and modernization initiatives. Looking ahead, M&A activity is expected to favor companies with robust aftermarket service models and integrated systems aligned with infrastructure growth. Capstone anticipates that operators will find opportunities to absorb divested assets or close technology gaps, positioning rotating equipment as a platform for innovation and resilience.

To discuss the widespread sector consolidation, adoption of predictive maintenance and IIoT, provide an update on your business, or learn about Capstone’s wide range of advisory services and Flow Control market knowledge, please contact us.

Neve Adler, Analyst, was the lead Market Intelligence contributor to this article.

Endnotes

1. Aftermarket Matters, “Aftermarket becomes strategic economic shock absorber for automakers,” https://www.aftermarketmatters.com/national-news/aftermarket-becomes-strategic-economic-shock-absorber-for-automakers/, accessed December 1, 2025.

2. Alfa Laval, “Alfa Laval launches next generation condition monitoring,” https://www.alfalaval.com/media/news/2025/alfa-laval-launches-next-generation-condition-monitoring/, accessed October 28, 2025.

3. Flowserve, “Predict Performance, Minimize Disruptions,” https://www.flowserve.com/solutions/innovation/iot/predictive-analytics/, accessed October 28, 2025.

4. Pentair, “Pentair Announces Definitive Agreement to Acquire Hydra-Stop,” https://investors.pentair.com/news-releases/news-release-details/pentair-announces-definitive-agreement-acquire-hydra-stop, accessed October 28, 2025.

5. Parker, “Parker to Acquire Filtration Group Corporation, Significantly Expanding Filtration Offering and Aftermarket Business,” https://investors.parker.com/news-events/press-releases/detail/496/parker-to-acquire-filtration-group-corporation, accessed November 21, 2025.

6. Kadant, “Kadant Acquires Clyde Industries,” https://investor.kadant.com/news-releases/news-release-details/kadant-acquires-clyde-industries, accessed October 28, 2025.

7. UFT, “UFT acquires Sydnor Hydro, expanding Mid-Atlantic pumping solutions expertise,” https://www.uft.com/press/uft-acquires-sydnor-hydro-expanding-mid-atlantic-expertise, accessed October 28, 2025.