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Water Circulation Pumps
We recently completed a project with a client who operates in the marine sector. platform with a boiler which incorporates an economiser with two hot water circulating pumps. These pumps were over 40 years old and reaching the end of their working life, so our client was looking for alternative solutions.
What is an economiser and how does it improve boiler
An economiser is a specialized heat exchanger designed to capture waste heat from hot
gases from boilers or ventilation exhaust in buildings, and transfer it to that would otherwise be lost, the economiser reduces the fuel required to economiser, while cooler feedwater passes around or through these tubes, absorbing the heat. This preheating process not only decreases fuel consumption and emissions but also enhances thermal performance, stabilizes boiler operation, and prolongs the life of heating equipment. Economisers are widely used in industrial, commercial, and HVAC systems to maximize energy recovery, making processes more economical and environmentally sustainable.
Dealing with high temperatures High-temperature boiler pumps often face mechanical seal failure, so gland
packing is commonly used as the primary sealing method. Also called box to seal rotating or reciprocating components. Packing can be made pressure, and chemical resistance.
For our system, we selected two XCP hot water circulating economiser pumps. ISO 2858-designed, heavy-duty, close-coupled centrifugal pumps, the XCPs are built for demanding industrial and marine environments, economiser circuits.
These pumps are designed to pump low viscosity clean or slightly like diesel, petrol and kerosene, as well as fresh water and sea water. Typical applications range from irrigation, water supply and treatment, marine and mining applications.
In this design, the centrifugal process pump and motor have separate shafts. This means that only the pump shaft needs replacing if it breaks. Other less robust pumps available only incorporate a motor shaft. So, if the shaft breaks, the whole motor needs to be switched.
reached without taking out the motor, making it all very easy to maintain. connection to make sure that the packing stays cool even in high temperatures. To put this in perspective, many centrifugal pumps have elastomers which can fail at temperatures as low as 65°C and in this appli- cation the pump would see temperatures as high as 170°C.
NORTH RIDGE PUMPS
Precision and Protection: Titan’s 800 Series Flowmeters Power Peracetic Acid Dispensing Systems
In modern medical,
pharmaceutical, and hygiene applications, peracetic acid (PAA) has become one of the most trusted and effective li- quid disinfectants available. As a powerful oxidizing agent with broad-spectrum antimicrobial activity, PAA is valued for its ability to rapidly eliminate bacteria, viruses, fungi, and spores - even at relatively low temperatures. Its fast action, short contact times, and environmentally friendly by-products (primarily acetic acid, oxygen, and water) make it a cornerstone of safety and sterilisation protocols across healthcare, food and industrial settings.
However, the same characteristics that make PAA so effective also make it demanding to handle. Its potency is only fully realised when the concentration is precisely controlled. Too low a dose can render disinfection or sterilisation ineffective, putting patients, staff, and equipment at risk. Too high a dose, on the other hand, can lead to equipment corrosion, degradation of sensitive materials, and unnecessary chemical exposure. Achieving and maintaining this balance requires accurate, reliable, and The Role of PAA in Critical Hygiene Environments
34 JANUARY 2026 | PROCESS & CONTROL • High-Level Disinfection of Medical Instruments
PAA is used extensively in automated endoscope reprocessors (AERs) and instruments, and various heat-sensitive medical devices. These systems rely on precision dosing to ensure that PAA is delivered at exactly the right concentration to guarantee high-level disinfection without damaging delicate components.
• Surface Disinfection in Clinical Facilities
Many hospitals and laboratories deploy PAA as a diluted spray or mist to disinfect operating rooms, isolation areas, and critical patient-care surfaces. controlled to avoid under- or over-concentration. • Low-Temperature Chemical Sterilisation Systems For instruments that cannot undergo steam autoclaving - due to heat sensitivity, embedded electronics, or specialised coatings - liquid PAA sterilisation provides a reliable alternative. These systems depend on safe and effective.
• Pharmaceutical, Bioprocessing & Food Processing Applications Beyond healthcare, PAA is frequently used in clean-in-place (CIP) and sterilise-in-place (SIP) systems within pharmaceutical manufacturing facilities, biotechnology labs, and food production environments. Its strong oxidising properties make PAA ideal for fruit and vegetable washing, meat and poultry processing, and packaging line sanitation, providing reliable microbial control without leaving chemical residues. Here again, Titan’s maintain high hygiene standards and meet stringent regulatory standards.
TITAN ENTERPRISES
The long-coupled design has a large space between the pump and motor.
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