The Flowserve PolyChem GRP pump is an engineered polymer composite, overhung chemical process pump designed for maximum corrosion resistance and long service life in demanding chemical applications. Built to handle aggressive acids, alkalis and chemically charged slurries, the GRP is ideal for processes where metal pumps fail due to corrosion or contamination risk.

Manufactured from high-strength glass-reinforced polymer, the GRP offers outstanding mechanical strength, dimensional stability and thermal resistance while maintaining a lightweight structure. Its overhung, end-suction configuration allows for easy installation and maintenance and its materials make it ideal for non-metallic pumping environments where metallic and fluoropolymer-lined pumps are not suitable.

Widely used in chemical manufacturing, wastewater treatment, fertilizer production and acid recovery systems, the PolyChem GRP is a trusted solution for safe and reliable non-metallic fluid transfer.

The Flowserve PolyChem M-Series ASME pumps are non-metallic, magnetically driven chemical process pumps designed to meet ASME B73.1 dimensional standards. Featuring a fluoropolymer-lined interior (PTFE or PFA) and a sealless magnetic drive design, the M-Series eliminates mechanical seals to provide leak-free, low-maintenance performance in corrosive and hazardous chemical applications.

This overhung, end-suction pump configuration ensures high reliability and extended service life when handling aggressive, acidic or toxic fluids. The mag drive design ensures full containment of process media, making the pump ideal for applications where zero emissions and operator safety are critical.

The PolyChem M-Series ASME pump is widely used in chemical manufacturing, chlor-alkali systems, pharmaceutical production, semiconductor processing and other environments that demand non-metallic, corrosion-resistant and ANSI-compliant fluid handling.

The Flowserve PolyChem M-Series ISO pumps are non-metallic, magnetically driven chemical process pumps designed to meet ISO 2858 dimensional standards. With a fully fluoropolymer-lined interior (PTFE/PFA) and a sealless magnetic drive design, the M-Series provides leak-free fluid handling in applications involving highly corrosive, toxic or hazardous chemicals.

The magnetic drive system eliminates the need for mechanical seals, significantly reducing maintenance costs, downtime and the risk of environmental contamination. Its overhung, end-suction configuration offers compact installation and reliable performance in the most demanding chemical processes.

Ideal for use in chemical processing, semiconductor manufacturing, wastewater treatment and acid handling systems, the PolyChem M-Series is the go-to solution where metal contamination and leakage are unacceptable.

The Flowserve Guardian is a horizontal, magnetic drive pump, compliant with ASME B73.1 dimensional standards. The Guardian is engineered to deliver sealless, leak-free performance in the transfer of aggressive, corrosive or hazardous chemicals across a wide range of industrial applications.

By eliminating mechanical seals, the Guardian pump reduces maintenance costs and eliminates fugitive emissions, making it ideal for industries that prioritize operator safety, environmental compliance and long-term reliability. Designed with an overhung configuration and built from corrosion-resistant materials, it’s perfectly suited for harsh chemical processing environments, including chemical plants, refineries and wastewater treatment facilities.

Conforming to ISO 2858 and ISO 5199 design criteria and incorporating advanced design features, the Durco Mark 3 ISO Overhung Chemical Process Pump is engineered to deliver reliable, high-efficiency performance in corrosive and toxic chemical processing environments. This end-suction, horizontal centrifugal pump is built for long-term durability, reduced maintenance and enhanced mechanical seal life, making it an ideal choice for demanding industrial operations.

Designed by Flowserve, the Durco Mark 3 ISO excels in handling aggressive fluids while ensuring full compliance with international standards. Whether used in chemical manufacturing, petrochemicals, wastewater treatment or general industrial fluid transfer, this pump ensures safe and leak-free operation backed by proven performance.

The Durco Mark 3 pump is recognized as the worldwide leader in ANSI chemical process pumps. This ASME (ANSI) B73.1 design sets the global benchmark for reliability, hydraulic performance and mechanical seal life in chemical processing environments. With its overhung, end-suction design, the Mark 3 is ideal for transferring corrosive, toxic or high-temperature fluids in demanding industrial systems.

Engineered by Flowserve, the Mark 3 pump provides modular construction, robust shaft support and advanced sealing options, making it the preferred choice for applications in chemical manufacturing, refining, pulp and paper and general industry. Its design helps lower maintenance costs, extend mean time between repairs (MTBR) and ensure process uptime even in harsh conditions.

The Durco Mark 3 Lo-Flo pump is designed to improve pump reliability and performance in low-flow, high-head applications. As part of the Durco Mark 3 ANSI pump family, it features a robust overhung design optimized for precise chemical dosing, sampling and transfer where traditional pumps are oversized or inefficient.

Engineered by Flowserve, the Mark 3 Lo-Flo delivers stable operation, reduced vibration and extended seal and bearing life, even at low capacity. This makes it the ideal solution for chemical processing, pharmaceuticals, petrochemicals and other industries requiring accurate and reliable fluid handling at reduced flow rates.

Compliant with ASME (ANSI) B73.1 standards, the Mark 3 Lo-Flo ensures dimensional interchangeability and is built with corrosion-resistant materials for handling aggressive, toxic or temperature-sensitive fluids.

The Durco Mark 3 Recessed Impeller pump combines the best design features of the Mark 3 ANSI Standard pump with the vortex pumping action of a recessed impeller. This unique configuration is ideal for handling solids-laden, shear-sensitive or slurry-type fluids that would otherwise clog or damage standard centrifugal pumps.

Engineered to meet ASME (ANSI) B73.1 dimensional standards, the Mark 3 Recessed Impeller pump offers gentle fluid handling, reduced product degradation and improved reliability in challenging industrial applications. It is the preferred solution in industries such as chemical processing, food and beverage, wastewater treatment and pulp and paper, where solids handling and low shear are critical.

The overhung design ensures easy maintenance and full compatibility with existing ANSI installations, while the robust construction supports corrosive and abrasive service conditions.

With pump ends conforming to ISO 2858 and ISO 5199 design criteria, the Durco Mark 3 ISO Close Coupled Chemical Process Pump provides a compact, space-saving solution for demanding industrial applications. This overhung centrifugal pump combines the proven hydraulic performance of the Mark 3 ISO with a close-coupled motor arrangement, eliminating the need for pump-to-motor alignment and separate baseplate installations.

Engineered for the safe transfer of corrosive, toxic or aggressive fluids, this pump is ideal for chemical processing, wastewater treatment and industrial utilities where reliability and footprint matter. The close-coupled design also reduces installation cost and simplifies maintenance without sacrificing performance or standardization.

The pump is fully compliant with ISO standards and offers Flowserve’s trusted durability for continuous-duty applications in harsh operating environments.

The Durco Mark 3 In-Line pump exceeds ANSI B73.2M design criteria. This space-saving vertical in-line design utilizes the industry-leading hydraulic performance and rugged construction of the Durco Mark 3 ANSI pump, while minimizing piping requirements and floor space.

Engineered by Flowserve, the Mark 3 In-Line pump is ideal for processing corrosive, abrasive and toxic fluids in tight industrial layouts. Its vertically oriented, overhung configuration simplifies installation, especially in retrofits or modular skids, while maintaining dimensional interchangeability with ANSI-standard flanged piping systems.

The pump is widely used in chemical manufacturing, refineries, water treatment and other industries where reliability, ease of maintenance and compact installation are critical.

The Flowserve PolyChem S-Series ISO pumps are non-metallic, conventionally sealed pumps designed to meet ISO 2858 dimensional standards. These fluoropolymer-lined chemical process pumps are engineered to provide superior corrosion resistance when handling aggressive, acidic or caustic fluids in chemical and industrial processing environments.

With an overhung, end-suction configuration, the S-Series delivers excellent hydraulic performance and extended reliability, even in the most chemically challenging services. The PTFE/PFA lining offers full containment, ensuring safe operation and reduced maintenance costs over time.

Commonly used in chemical manufacturing, water treatment, fertilizer plants and acid transfer systems, the PolyChem S-Series is an ideal solution when metallic pumps are not suitable due to corrosion or contamination risks.

The Flowserve PolyChem S-Series ASME pumps are non-metallic, conventionally sealed chemical process pumps designed to meet ASME B73.1 dimensional standards. These pumps are constructed with fluoropolymer (PTFE/PFA) linings that offer superior chemical resistance, making them ideal for transferring aggressive, corrosive or hazardous fluids in a wide range of industrial applications.

Built with an overhung, end-suction configuration, the PolyChem S-Series delivers excellent hydraulic performance, extended service life and reduced maintenance in demanding environments. Its non-metallic wetted components eliminate the risk of corrosion and metal contamination, perfect for acid handling, caustic service, chlor-alkali processes and other chemical operations where metallic pumps are unsuitable.

The S-Series offers full compliance with ASME B73.1 specifications and provides safe, reliable operation across chemical manufacturing, semiconductor production, water treatment and more.

The Durco Mark 3 Unitized Self-Priming Pump is engineered to draw from liquid sources below ground level or from sources where standard centrifugal pumps lose prime. Designed to handle corrosive, toxic or abrasive fluids, this pump integrates ANSI B73.1M dimensions with a self-priming casing, eliminating the need for external priming systems.

Ideal for sumps, tanks or below-grade installations, it provides reliable operation with fast, repeatable priming, even under demanding conditions.

The Durco CPXM is a close coupled, overhung chemical process pump designed to ISO 2858 and ISO 5199 standards. Offering state-of-the-art hydraulics in a compact, space-saving arrangement, the CPXM pump is ideal for applications where installation footprint is limited but performance and reliability cannot be compromised. Engineered for corrosive and hazardous fluid handling, the CPXM delivers efficient flow, simplified alignment and reduced maintenance in chemical, pharmaceutical and general industrial services.

The Durco CPXS is a magnetic drive, overhung chemical process pump engineered for leak-free operation in the handling of hazardous, toxic, flammable, explosive or high-value liquids. Conforming to ISO 2858 and ISO 15783 standards, the CPXS eliminates the need for mechanical seals, offering maximum containment, safety and minimal maintenance. Its advanced hydraulics and containment shell make it ideal for chemical, pharmaceutical, semiconductor and specialty fluid industries requiring absolute reliability in corrosive or dangerous service environments.