CDR Pumps (UK) Ltd
About us
A leading independent pump manufacturer, CDR Pumps provides high-performance fluid-handling solutions across a diverse range of industries including chemical, pharmaceutical, nuclear and manufacturing. With proven expertise in tackling complex chemical-handling challenges, our specialist team will collaborate with you to find the right tailored pumping solution for your application, ensuring safer, more efficient and more reliable operations.
We deliver an extensive range of high-performance solutions for different applications, including:
• Magnetic driven and mechanically sealed centrifugal pumps
• Air-operated diaphragm pumps, including the innovative QUANTM electric diaphragm pump
• Vertical, vacuum, side-channel, and turbine pumps
• Exclusive mobile pumping stations
Our portfolio features industry-leading innovations such as the solids handling mag drive pump, capable of handling up to 30% solids thanks to its unique impeller design, and the game-changing QUANTM electric diaphragm pump – a cleaner, smarter alternative to air-operated pumps that is delivering major energy savings and lower maintenance costs.
Our holistic approach provides a complete all-round service from initial enquiry throughout the entire specification and sales process, installation and after-sales service and support – the value of working with a specialist partner, not just a pump supplier.
Bring us your challenge and we will engineer a solution.
Products
Magnetic Drive Centrifugal Pumps
Magnetically driven pumps are highly corrosion-resistant, making them suitable for handling corrosive fluids and chemicals such as acids, alkalis and saline solutions. Driven by synchronous magnet configuration, their seal-less, zero vapour loss prevents fluid leakage and the release of volatile, toxic and flammable chemicals. Available with ATEX certification, they offer a safe, reliable, energy-efficient and cost-effective solution. From compact pumps for low-duty applications to larger units for demanding services, our magnetically driven fluid handling solutions cover a wide range of requirements. Key features: • Capacity: duties from 1 m3/h up to 320 m3/h • Maximum pressure 16 bar • Zero vapour loss on hazardous liquids • ATEX certified for flammable liquids • No mechanical seals – reducing the risk of leakage • Motors from 0.12kW to 90kW • Handles up to 2% solids as standard, 30% with the solids handling mag drive • Maximum temperature up to 300°C • RunSafe SiC rotating bushes, axial thrusts and shafts for dry run protection • Close-coupled and long-coupled options • ISO 2858 and sub-ISO compliant Materials of construction: Metallic – stainless steel, Hastelloy C, exotic alloys Non-metallic – a ductile iron casing lined with Polypropylene, PVDF (Polyvinylidene Fluoride), ETFE (Ethylene Tetrafluoroethylene), PFA (PerFluoroAlkoxy) or Conductive PFA Moulded – Polypropylene, PTFE (Polytetrafluoroethylene), ETFE (Ethylene Tetrafluoroethylene) except for the moulded STN 70 which is contained within a ductile iron casing for extra rigidity and strength
XTS/XTN Solids Handling Mag Drive Pump
The first of its kind, our innovative solids handling mag drive pump can handle fluids containing up to 30% solids. Its unique open impeller design eliminates the need for external flushing systems and mechanical seals, and removes the risk of fluid contamination – improving efficiency and reducing operating costs. With its seal-less design, the pump ensures zero-vapour loss for hazardous liquids – a key advantage of our entire range of mag drive pumps. Key features: • Duties up to 70 m3/h • Open impeller design providing improved fluid channels • Bushes produced with diamond-coated SSIC for optimal fluid circulation • Manufactured to ISO 15783 standards • Close-coupled and long-coupled options • ATEX certification available on request Materials of construction: • Metallic (XTS): stainless steel AISI 316 • Non-metallic (XTN): PFA (PerFluoroAlkoxy) lined
DTN Magnetic Drive Centrifugal Pump
This mag drive pump is designed to meet ISO and ANSI standards, making it suitable for various industries, including chemical processing, pharmaceutical and water treatment. Its seal-less design ensures zero vapour loss for hazardous liquids, a key advantage of all mag drive pumps. The DTN pump features an optional pump cartridge assembly, that can be easily installed easily in case of a breakdown, allowing for quick repairs without the need for a complete pump replacement. This reduces downtime and is cheaper than maintaining a spare pump. With ANSI standard dimensions, the DTN can be easily retrofitted into existing pump systems, resulting in substantial cost savings for companies looking to upgrade their equipment without modifying existing infrastructure. Its innovative impeller design and enhanced hydraulics contributes to improved efficiency and lower operating costs. Key features: • Zero vapour loss on hazardous liquids • Designed to ISO and ANSI standards • Handles toxic chemicals Material of construction: • ETFE (Ethylene Tetrafluoroethylene) – a cost-effective choice
Mechanically Sealed Centrifugal Pumps
Available in various sizes and configurations, mechanically sealed centrifugal pumps are a versatile choice for chemical processing and fluid-handling applications. Used independently or integrated with tanks, filters, or valves, pump selection depends on fluid type and viscosity. Seals protect against contaminants to maintain efficiency and extend service life. Key features: • Capacity: standard pumps up to 500 m3/h • Heads: up to 16 bar • Manufactured in line with ISO 2858/DIN 24256 standards • High hydraulic efficiencies achieved with low NPSH (Net Positive Suction Head) • Options for shaft sealing include packed stuffing box and single or double mechanical seals • Pump casing and seal housing can be equipped with heating or cooling chambers as needed • Units up to 30kW size can be close-coupled to motors with B5 flange using a support lantern • Large variety of impeller options – open or closed • Suitable for contaminated, corrosive or abrasive fluids • Options for high or low viscosity fluids • Suitable for gas-entrained liquids • Low flow/high head pumps available Materials of construction: • Metallic: cast iron, ductile iron, Hastelloy C, stainless steel, super duplex • Non-metallic: lined with PFA (PerFluoroAlkoxy), PVDF (Polyvinylidene Fluoride) or Polypropylene
QUANTM Electric Diaphragm Pump
We helped a customer save £1 million in energy costs per year by switching from AODDs to QUANTM electric pumps! Visit our stand to discuss how we could do the same for your business. The revolutionary QUANTM electrically operated diaphragm pump has been developed to meet the growing demand for clean energy and more sustainable pumping technologies – a cleaner, more energy-efficient alternative to traditional air-operated pumps. At the heart of QUANTM is an innovative electric motor design that significantly reduces energy use while maintaining production efficiency. Suitable for a wide variety of fluid applications, it can replace conventional pumping technologies and deliver significant cost savings without compromising performance. Available in a variety of options for industrial and hygienic applications, it is simple to use, easy to maintain and straightforward to clean and sanitise. Key features: • Up to 80% energy reduction • No compressed air required • No icing • Stalls under pressure • Self-priming • Can run dry • Handles solid and abrasive fluids • Flow and pressure control at the pump • Remote operation via I/O • Pressure: up to 7 bar • Flow: up to 450 lpm • Voltage: 120V, 240V single and 3-phase configurations available
Liquid Ring Vacuum Pumps and Systems
Liquid ring vacuum pumps are available in a wide range of metallurgies and sealing options to suit specific applications, including use in hazardous flammable and explosive areas. Their versatility and reliability means they are widely used in facilities of all sizes and across many industries. Available as single- or two-stage liquid ring units, these pumps can handle high volumes of vapours, condensable gases and liquids without compromising performance or mechanical reliability. The service liquid – water or other liquids, oils or solvents – can be selected to suit almost any application. When clean water is used, the aspirated air is ‘washed’ free of contaminants such as oil, carbon or plastics. Liquid ring vacuum pumps are designed for simplicity and reliability. Fewer components simplifies maintenance, while minimal moving parts eliminate metal-to-metal contact, significantly reducing vibration, noise and wear. Key features: • Duties up to 3500 m3/h • Max vacuum: 33mbar • Single or double mechanical seal (DIN 24960 standard) • Designed and manufactured to ISO 9001 standards • Close-coupled and long-coupled options with open impeller • Can handle gases and vapours • Fewer components for improved rigidity and easier maintenance • Compact dimensions with reduced shaft length minimising deflection and vibration • Simple design with no valves or sliding vanes • Impeller is the only rotating part – no metal-to-metal contact, reducing wear and tear • ATEX certification available on request Materials of construction: • Cast iron, AISI 316, Ni-Resist D2B, Hastelloy B, Hastelloy C, Uranus B6 and exotic alloys. Liquid Ring Vacuum Systems: We also offer complete vacuum systems comprising of a liquid ring pump, air-liquid cyclone separator and a heat exchanger mounted on a compact skid.
Pump training
Getting the best performance from your pumps starts with the right knowledge. Our hands-on Fundamentals of Pumping training course helps end users understand how pumps are designed and operate, and how to confidently troubleshoot performance issues. The training will help your team to: • reduce Mean Time Between Maintenance (MTBM) • avoid costly breakdowns • improve plant reliability • improve operational efficiency (and bottom-line profit) – including identifying opportunities for energy savings. Key topics: • Pumping fundamentals • Pump design • Pump strip down • Problem solving • Failure analysis Dates: • 11 March 2026 • 10 June 2026 • 16 September 2026 • 25 November 2026 Training takes place at the CDR Pumps site in Wellingborough, Northamptonshire. We can also bring the training to your site. Contact us on 01933 674777 or sales@cdrpumps.co.uk to secure your place or discuss on-site training.
News
Reducing Energy Costs
How QUANTM pumps delivered £1Million savings for a corrugated packaging manufacturer.
CDR Pumps Shortlisted for Supplier to the Chemical Industry Award
CDR Pumps was shortlisted as a finalist in the Supplier to the Chemical Industry category at the Chemicals Northwest Awards 2026.