Horizontal Split Casing Pumps Market – Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Material Type (Steel, Iron, Others), By Application (Process, Utility), By End-Use (Agriculture & Lift Irrigation, Building Services, Power, Water & Wastewater, Oil & Gas, Chemicals, Other), By Region, By Competition 2021-2031F

Forecast Period	2027-2031
Market Size (2025)	USD 3.97 Billion
CAGR (2026-2031)	5.81%
Fastest Growing Segment	Utility
Largest Market	Asia Pacific
Market Size (2031)	USD 5.57 Billion

Market Overview

The Global Horizontal Split Casing Pumps Market will grow from USD 3.97 Billion in 2025 to USD 5.57 Billion by 2031 at a 5.81% CAGR. Horizontal split casing pumps are defined as centrifugal pumps featuring a casing that is divided axially along the shaft, which allows for the disassembly of the upper casing for maintenance without disturbing the suction or discharge piping alignment. The primary drivers supporting the growth of this market include the escalating global investment in water and wastewater infrastructure to support rapid urbanization and the increasing requirement for high capacity irrigation systems in the agricultural sector. Furthermore, the industrial sector provides sustained demand through the necessity for reliable fluid handling in power generation plants and extensive heating, ventilation, and air conditioning networks.

A significant challenge impeding the expansion of this market is the high initial capital expenditure and ongoing maintenance costs associated with these complex pump systems compared to alternative designs. According to Europump, in 2024, centrifugal pumps accounted for approximately 71 percent of the market share in terms of unit consumption. This dominance highlights the intense competition within the sector, forcing manufacturers to justify the premium pricing of split casing models against other centrifugal variants through superior efficiency and lifecycle value.

Key Market Drivers

The expansion of municipal water and wastewater treatment infrastructure acts as the primary catalyst for the Global Horizontal Split Casing Pumps Market. These pumps are favored for raw water intake and large-scale distribution due to their high-flow capabilities and structural durability, which are essential for managing escalating urban water demands. Governments worldwide are intensifying capital allocation to modernize aging hydraulic networks and enhance flood control systems, creating immediate procurement opportunities for heavy-duty centrifugal units. According to the Ministry of Water Resources, December 2024, in the 'China's water conservancy investment hits record high in 2024' report, China invested a record 1.35 trillion yuan in water conservancy facilities during the year. This substantial funding injection directly supports the deployment of large-capacity pumping stations required for reservoir management and municipal supply chains, reinforcing the critical role of split casing designs in national infrastructure projects.

Ease of maintenance and long service life further drive industrial adoption, specifically distinguishing split casing designs from other centrifugal variants. The axially split architecture allows for rapid access to the rotating assembly without disrupting suction or discharge piping, significantly lowering downtime and operational expenditures for facility operators. This value proposition is evidenced by the growing revenue streams associated with aftermarket support and retrofitting services, as industries prioritize extending the lifecycle of these capital-intensive assets. According to KSB SE & Co. KGaA, March 2024, in the 'Annual Report 2023', sales revenue in the KSB SupremeServ segment, which focuses on spare parts and service, rose by 11.0 percent to €944 million. The broader financial health of the sector reflects this sustained demand for fluid machinery; according to Ebara Corporation, in 2024, consolidated revenue for the fiscal year ended December 31, 2023, increased by 11.5 percent to 759,328 million yen, driven by robust orders in infrastructure and industrial markets.

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Key Market Challenges

The high initial capital expenditure and significant ongoing operational costs associated with horizontal split casing pumps constitute a primary obstacle to market expansion. These pumps involve complex engineering and substantial material requirements, resulting in a premium price point that deters budget-conscious buyers. In cost-sensitive sectors such as municipal water treatment and agriculture, procurement teams often prioritize short-term savings over long-term lifecycle value. Consequently, this financial barrier compels many potential end-users to opt for less expensive centrifugal pump alternatives or defer necessary infrastructure upgrades, thereby restricting the addressable market for split casing models.

This reluctance to invest in capital-intensive equipment is intensified by the current economic climate affecting the broader industrial machinery sector. High interest rates and inflationary pressures on raw materials have further squeezed capital equipment budgets. According to VDMA, in 2024, price-adjusted production output for machinery and equipment manufacturing in the European Union shrank by 7 percent due to weak demand and rising costs. This contraction in the wider machinery industry highlights the direct impact of financial constraints on the market, as industrial facilities reduce spending on premium heavy-duty components like split casing pumps to preserve liquidity.

Key Market Trends

The integration of IIoT and smart sensors for real-time condition monitoring is fundamentally reshaping the Global Horizontal Split Casing Pumps Market, transforming standard units into intelligent, data-driven systems. Manufacturers are increasingly embedding advanced diagnostics to enable predictive maintenance, which significantly reduces unplanned downtime and operational risks for facility operators. This digital evolution is rapidly gaining commercial traction as utilities and industrial users prioritize smart infrastructure. According to Smart Water Magazine, February 2025, in the article 'Xylem closes a record-breaking 2024', Xylem Inc.'s revenue reached $8.6 billion in 2024, a 16 percent increase largely attributable to its strategic commitment to digitalization and technological innovation in intelligent water management.

Simultaneously, the market is experiencing an increasing adoption of corrosion-resistant alloys for harsh environments, particularly within the expanding power generation sector. As industrial operations push into more extreme conditions, there is a surging demand for pump metallurgies, such as duplex stainless steels, that can withstand aggressive fluids better than traditional materials. This trend towards high-specification hardware is exemplified by recent procurement activity in the energy sector. According to Flowserve Corporation, February 2025, in the 'Fourth Quarter and Full-Year 2024 Results' report, power bookings increased by more than 40 percent year-over-year, including over $110 million in nuclear awards, underscoring the critical necessity for specialized, durable pumping solutions.

Segmental Insights

The Utility segment is currently identified as the fastest-growing category within the Global Horizontal Split Casing Pumps Market. This rapid expansion is primarily driven by increasing global investments in water and wastewater treatment infrastructure to support urbanization and industrial growth. Municipalities are prioritizing the modernization of aging water distribution networks, necessitating the high flow capabilities and reliability that these pumps offer. Furthermore, stringent guidelines from environmental protection agencies regarding water quality and energy efficiency compel utility providers to upgrade to superior pumping systems, thereby sustaining the strong upward trajectory of this segment.

Regional Insights

Asia Pacific dominates the Global Horizontal Split Casing Pumps Market, driven by rapid industrialization and extensive infrastructure development. The region experiences high demand from power generation, agriculture, and municipal water sectors requiring efficient fluid handling. This leadership is reinforced by government mandates for improved water management and sanitation. For example, stringent environmental standards from regulatory bodies like China’s Ministry of Ecology and Environment drive the upgrading of wastewater facilities, necessitating robust pumping solutions. Consequently, the continuous modernization of public utilities and heavy industries anchors Asia Pacific’s status as the leading regional market.

Recent Developments

• In October 2024, Ruhrpumpen announced the supply of a fire protection pump system to a new power plant in the United States, which included two ZW model horizontal split case pumps. The company detailed that the system comprised one electric motor-driven pump and one diesel engine-driven pump, both certified to UL and FM standards for fire safety. The ZW pump model is a single-stage, double-suction, axially split centrifugal unit designed for compact installation and perfect alignment, reinforcing Ruhrpumpen's position in the critical infrastructure and power generation markets.
• In July 2024, Wilo USA introduced the Atmos TERA-SCH-HE, a new base-mounted axially split case pump engineered for high efficiency and reliability in water supply applications. The company highlighted that the new pump is designed to meet NSF-61 compliance for potable water and features state-of-the-art hydraulics optimized for low Net Positive Suction Head (NPSH) requirements. This product launch aimed to provide a robust solution for municipal water systems, offering flow ranges from 1,000 to 20,500 gallons per minute and heads up to 770 feet.
• In March 2024, SPP Pumps was named Manufacturer of the Year at the 2024 Pump Industry Awards, recognizing the company's excellence in the design and manufacture of centrifugal pumps, including its horizontal split case range. The award highlighted the company's commitment to engineering quality and its wide range of products used in fire protection, water, and industrial applications. SPP Pumps produces split case pumps that are widely utilized for their robustness and ease of maintenance in demanding environments such as fire suppression and water distribution.
• In February 2024, KSB Group expanded its RDLO type series of axially split volute casing pumps, increasing the available sizes from 21 to 33 to meet the growing demand for larger water transport systems. The company announced that this expansion allows the series to achieve flow rates of up to 20,000 cubic meters per hour and heads of up to 300 meters. These pumps, designed primarily for clean water transport, feature a double volute casing to compensate for radial forces and a double-entry impeller to balance axial forces, ensuring durability and low maintenance for large-scale pumping stations.

Key Market Players

• Flowserve Corporation
• KSB SE & Co. KGaA
• ITT Inc.
• Xylem Inc.
• Wilo SE
• Grundfos Holding A/S
• Pentair plc
• SPX FLOW, Inc.
• Sulzer Ltd.

By Material Type	By Application	By End-Use	By Region
Steel Iron Others	Process Utility	Agriculture & Lift Irrigation Building Services Power Water & Wastewater Oil & Gas Chemicals Other	North America Europe Asia Pacific South America Middle East & Africa

Report Scope:

In this report, the Global Horizontal Split Casing Pumps Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Horizontal Split Casing Pumps Market , By Material Type:

• Steel
• Iron
• Others

• Horizontal Split Casing Pumps Market , By Application:

• Process
• Utility

• Horizontal Split Casing Pumps Market , By End-Use:

• Agriculture & Lift Irrigation
• Building Services
• Power
• Water & Wastewater
• Oil & Gas
• Chemicals
• Other

• Horizontal Split Casing Pumps Market , By Region:

• North America
• United States
• Canada
• Mexico
• Europe
• France
• United Kingdom
• Italy
• Germany
• Spain
• Asia Pacific
• China
• India
• Japan
• Australia
• South Korea
• South America
• Brazil
• Argentina
• Colombia
• Middle East & Africa
• South Africa
• Saudi Arabia
• UAE