Pressurised Deaerators Market Forecast: Boiler Feedwater Treatment Demand Drives 6.4% CAGR Growth

Pune, India — According to the new market research report “Global Pressurised Deaerators Market Report 2025–2031,” published by QYResearch, the global Pressurised Deaerators market is projected to reach USD 0.98 billion by 2031, growing at a CAGR of 6.4% during the forecast period.

Pressurised deaerators are key boiler system components used to remove dissolved oxygen and other non-condensable gases from boiler feedwater. By reducing oxygen corrosion, improving feedwater quality, and supporting stable boiler operation, these systems help extend the service life of boilers, pipelines, pressure vessels, heat exchangers, and steam distribution infrastructure. They are widely used in district heating systems, industrial boiler rooms, power plants, chemical processing, food processing, refining, and large-scale steam systems.

As industrial and heating systems become more focused on long-term asset protection, energy efficiency, regulatory compliance, and operational reliability, pressurised deaerators are increasingly viewed as essential risk-control equipment rather than optional auxiliary units.

Download Exclusive Research Report PDF Sample: (Including Full TOC, List of Tables & Figures, Chart) @ https://www.qyresearch.in/request-sample/machinery-equipment-global-pressurised-deaerators-market-insights-industry-share-sales-projections-and-demand-outlook-2026-2032

Market Overview

The global Pressurised Deaerators market is expected to grow steadily through 2031, supported by the modernization of boiler systems, rising awareness of corrosion-related risks, and increasing demand for stable long-term operation in industrial steam and heating networks.

In boiler systems, dissolved oxygen in feedwater can cause severe corrosion, pipe leaks, reduced heat transfer efficiency, equipment failure, and unplanned downtime. Pressurised deaerators help prevent these risks by removing oxygen before water enters the boiler. This improves system reliability, reduces maintenance costs, and supports safe continuous operation.

The market is especially strong in mature industrial regions where many existing boiler systems require upgrades or retrofits. In Europe and North America, demand is driven less by entirely new boiler installations and more by modernization, lifecycle extension, regulatory compliance, and system-level efficiency improvements.

Pressurised deaerators are commonly supplied as part of integrated boiler systems, engineering packages, or plant retrofit projects. This creates a market structure where equipment suppliers, engineering companies, EPC contractors, and operation and maintenance service providers play important roles.

Regional Market Analysis

In the European market, demand for pressurised deaerators is highly concentrated in district heating systems, chemical processing, food processing, and large public or industrial boiler rooms. Europe has long emphasized equipment lifespan, system integrity, safety compliance, and energy efficiency. Against the background of high energy prices and strict safety regulations, deaerators are widely included as standard equipment in boiler systems.

In Northern and Western Europe, pressurised deaerators are often deeply integrated with high-efficiency boilers, water treatment systems, automated controls, and heating network infrastructure. They are considered critical for stable operation, especially in district heating systems that require continuous performance during long heating seasons.

In the North American market, pressurised deaerators are widely used in power generation, refining, chemical production, industrial steam systems, and large boiler facilities. The market places strong emphasis on engineering maturity, long-term operational stability, high-load capacity, and continuous operation. In many North American industrial plants, deaerators are treated as risk-control devices that help prevent unplanned downtime and corrosion-related equipment damage.

A common characteristic of both Europe and North America is that demand increasingly comes from system upgrades, existing boiler room retrofits, and equipment replacement rather than only from new installations. This supports stable replacement demand and creates opportunities for suppliers with engineering service capability.

Asia-Pacific, South America, the Middle East, and Africa may also present future opportunities as industrial steam infrastructure, power generation, district heating, and process industries expand. However, mature markets with strict pressure vessel rules and high asset protection awareness continue to represent important demand centers.

Supply Chain Situation

The upstream segment of the Pressurised Deaerators industry mainly includes pressure vessel steel, stainless steel and alloy internal components, spray devices, packing components, control valves, regulating valves, level sensors, pressure sensors, automation control units, safety valves, and related monitoring systems.

Materials and pressure structure design directly determine equipment lifespan, safety performance, corrosion resistance, and operational reliability. These materials and components typically account for 45%–60% of total equipment cost, making raw material selection and engineering design highly important to supplier competitiveness.

The midstream segment consists of equipment manufacturers and engineering companies with pressure vessel design and manufacturing qualifications. These companies are responsible for system design, pressure vessel fabrication, welding, integration, testing, installation support, and on-site commissioning.

Downstream customers include industrial boiler operators, regional heating companies, power and energy companies, chemical plants, food processing facilities, refineries, large public utility operators, and engineering contractors.

In Europe and North America, the market generally adopts a comprehensive delivery model of “equipment + engineering + operation and maintenance support.” Single equipment sales account for a relatively limited share, as customers often prefer integrated solutions that include design, installation, commissioning, inspection support, and long-term service.

Technological Trends

The Pressurised Deaerators market is being shaped by continuous improvements in oxygen removal efficiency, operational stability, system integration, and lifecycle monitoring.

One important trend is the improvement of oxygen removal efficiency under fluctuating load conditions. Industrial steam systems and district heating networks often operate under changing demand. Modern deaerators are being designed to maintain low dissolved oxygen levels even when feedwater flow, steam pressure, or system load changes.

Another key trend is deeper integration with boiler automation and water treatment systems. Pressurised deaerators are increasingly connected to automated control platforms, enabling coordinated management of feedwater temperature, pressure, dissolved oxygen levels, chemical dosing, and steam system performance.

Structural design is evolving toward low maintenance, long lifespan, and higher corrosion resistance. Manufacturers are improving vessel design, internal components, material selection, and inspection accessibility to reduce downtime and support long-term operation.

Modularity and system compatibility are also becoming more important, especially in district heating and industrial applications. Customers increasingly want equipment that can be integrated efficiently into existing boiler systems, retrofit projects, and modular plant designs.

Equipment operating data is gradually being integrated into broader energy and asset management systems. This allows operators to monitor system health, track performance trends, detect abnormal conditions, and support predictive maintenance.

Industry Policies and Regulatory Environment

The Pressurised Deaerators market is strongly influenced by pressure equipment safety standards and inspection requirements.

In Europe, the Pressure Equipment Directive (PED 2014/68/EU) provides unified regulations for pressure equipment with a rated pressure above 0.5 bar, including pressure vessels such as boiler feedwater deaerators. Design, manufacturing, testing, and conformity assessment must meet mandatory safety requirements before products can be placed on the European market.

European standards such as EN 13445 provide technical specifications for unfired pressure vessels and support compliance with the PED framework. These standards influence design, materials, manufacturing, inspection, testing, and certification procedures.

In North America, pressurised deaerators are generally classified within boiler and pressure vessel systems and must comply with the ASME Boiler and Pressure Vessel Code (BPVC). ASME requirements cover design, materials, welding, inspection, and testing, and certification is fundamental for pressure equipment manufacturing and use in the region.

Local safety and inspection regulations in EU member states, U.S. states, and Canadian provinces also affect operation and maintenance requirements. These include periodic inspection, operating records, safety valve maintenance, welding qualifications, non-destructive testing requirements, and lifecycle compliance.

Strict regulation raises entry barriers but also benefits qualified suppliers with mature engineering, manufacturing, testing, and documentation capabilities.

Factors Influencing Market Development

Driving Factors

The market is strongly driven by increased demand for boiler system reliability and lifespan management. In industrial and heating systems where asset values are high and downtime costs are significant, oxygen corrosion prevention is considered a fundamental risk-control measure.

Ongoing upgrades and retrofits of existing boiler systems are also creating stable replacement demand. Many older boiler systems are being modernized to meet higher operating, safety, and compliance standards, leading to new demand for deaeration equipment.

Continuous operation industrial scenarios further support market growth. Chemical plants, power generation facilities, district heating systems, refineries, and large steam users require stable operation, making pressurised deaerators valuable for long-term system protection.

Greater awareness of maintenance costs and accident risks is increasing customer willingness to invest in deaeration systems upfront. Pipe leaks, boiler damage, and equipment corrosion can create high repair costs and production losses.

EPC and system-based procurement models also support adoption. Since deaerators are often purchased as part of complete boiler systems, they are less likely to be excluded from project decisions when overall system reliability is prioritized.

Market Restrictions

High initial investment and system complexity remain important restraints. Pressurised deaerators involve pressure vessels, steam control, automation systems, installation engineering, and safety compliance, which can create cost barriers for small boiler rooms.

Some customers may underestimate the hidden benefits of deaeration. Since deaerators mainly provide long-term protection, their value is not always visible in short-term financial indicators.

Alternative technologies may also affect demand in small systems. In low-capacity or intermittently operated boiler systems, chemical deaeration or simplified solutions may still be used.

Installation and operation management requirements are relatively high. Pressurised systems require proper operation, maintenance, safety checks, and trained personnel, which may make some users cautious.

Demand is also closely tied to the overall boiler investment cycle. When boiler projects slow down, deaerator procurement may also be delayed.

Development Opportunities

The market presents strong opportunities as industrial and heating systems increasingly adopt lifecycle-oriented operation and maintenance strategies. In Europe and North America, deaerators are gradually evolving from optional equipment into standard boiler system components.

Regional heating and industrial energy efficiency upgrades provide a stable source of engineering-level demand. As heating networks and boiler rooms are modernized, pressurised deaerators are expected to be included in many system upgrade projects.

Automation and predictive maintenance integration create additional value. When deaerator operating data is connected to asset management systems, operators can improve maintenance planning, reduce downtime, and enhance system visibility.

High-standard markets benefit technology-oriented suppliers. Strict pressure vessel rules and engineering requirements favor manufacturers with mature design, certified production, project experience, and lifecycle service capability.

Retrofit potential is also clear. A large number of in-service boiler systems still have insufficient deaeration capacity or outdated deaerator designs. These systems provide long-term opportunities for upgrades, replacements, and performance improvement projects.

Competitive Landscape

The Pressurised Deaerators market is shaped by engineering capability, pressure vessel manufacturing qualification, system integration experience, regulatory compliance, equipment reliability, and service support. Suppliers must meet strict requirements related to design codes, materials, welding, testing, certification, and commissioning.

Competition is not limited to equipment price. Customers increasingly evaluate suppliers based on technical design, oxygen removal performance, lifecycle cost, integration with boiler systems, automation compatibility, documentation quality, inspection support, and after-sales service.

Manufacturers with strong engineering design capability, pressure equipment certification, mature manufacturing processes, and regional service teams are expected to gain stronger positions in high-standard markets such as Europe and North America.

Key Questions Answered in the Report

1. What is the projected size of the global Pressurised Deaerators market by 2031?
2. What is the expected CAGR during the forecast period?
3. How are boiler reliability and corrosion prevention driving market demand?
4. Why are Europe and North America important markets for pressurised deaerators?
5. How do district heating, power generation, chemical processing, and food processing applications support demand?
6. What role do pressure vessel regulations such as PED, EN standards, and ASME BPVC play in market access?
7. How does the supply chain structure influence equipment cost and supplier competitiveness?
8. What technological trends are shaping product development?
9. What challenges are created by high initial investment, system complexity, and alternative solutions?
10. What opportunities exist in retrofits, automation integration, predictive maintenance, and energy efficiency upgrades?

Outlook 2025–2031

The outlook for the global Pressurised Deaerators market remains positive, with QYResearch projecting the market size to reach USD 0.98 billion by 2031, growing at a CAGR of 6.4% during the forecast period. Demand will be supported by boiler system modernization, industrial steam reliability, district heating upgrades, pressure vessel compliance, corrosion prevention, and lifecycle asset management.

For investors, the market offers exposure to a stable industrial equipment segment linked to energy efficiency, steam system reliability, and pressure equipment safety. For manufacturers, future growth will depend on engineering capability, regulatory compliance, oxygen removal performance, automation integration, service support, and retrofit project execution.

As industrial and heating systems continue to prioritize reliability, safety, and lifecycle cost reduction, pressurised deaerators are expected to remain a critical component of modern boiler infrastructure. Suppliers that can deliver compliant, efficient, durable, and system-integrated deaerator solutions will be well positioned to capture growth opportunities through 2031.

For Further insights and Detailed Reports, Visit: https://www.qyresearch.in/report-details/8973145/Global-Pressurised-Deaerators-Market-Insights

About QYResearch

QYResearch founded in California, USA in 2007. It is a leading global market research and consulting company. With over 19 years’ experience and professional research team in various cities over the world QY Research focuses on management consulting, database and seminar services, IPO consulting (data is widely cited in prospectuses, annual reports and presentations), industry chain research and customized research to help our clients in providing non-linear revenue model and make them successful. We are globally recognized for our expansive portfolio of services, good corporate citizenship, and our strong commitment to sustainability. Up to now, we have cooperated with more than 70,000 clients across five continents. Let’s work closely with you and build a bold and better future.

Contact US

Ankit Jain - Director, Global Digital Marketing

QY Research, INC.

India Office -

315Work Avenue, Raheja Woods, Kalyani Nagar, 

Pune, Maharashtra 411006, India

Web – https://www.qyresearch.in

Email- ankit@qyresearch.com