SPECIAL REPORTS 38 HYDRAULICS & PNEUMATICS June 2026 www.hpmag.co.uk For most food and beverage manufacturers, particularly in highvolume markets, repeatedly delivering identical products is essential for maintaining consumer experience and brand reputation. The way in which liquid ingredients are delivered into a food and beverage processing line fundamentally impacts standardisation and repeatability in the end product, and fluid metering pumps have a vital role to play. One company helping food and beverage manufacturers improve product consistency through precision fluid metering is Slack & Parr. Working with manufacturers across sectors ranging from chocolate and confectionery to spreads and desserts, the company developed its Pulseless Flow range of high-precision, food-safe gear metering pumps to give manufacturers greater control over a wide range of different viscosity fluids. The range offers a specialist alternative to standard industrial pumps, such as reciprocating, peristaltic and diaphragm pumps, which are commonly used in food and beverage processing but are not designed to deliver the same levels of precision as gear pumps. Flow technology Slack & Parr’s Pulseless Flow technology is engineered to overcome the potential for product inconsistencies caused by small variations in the rate and volume of liquid flowing through the pump and into the manufacturing process. The technology eliminates pulsation in the flow, which can lead to modest but notable variations in recipe ratios or differences in the way the product looks and is typically linked to increased wastage. The pumps are built from finely engineered, food-safe stainless steels and designed to deliver an extremely high level of dimensional stability, strength, durability and precision. They are built around hardened steel involute gears which are machined to precise tolerances of one or two microns, resulting in extremely small clearances - measuring significantly less than a human hair - between the gear and mating components and ensuring almost no internal slip even at high pressures. Alongside standard single-outlet designs, the range also includes custom-designed, multiple-outlet gear pumps which are Driving consistency through precision fluid metering H&P looks at how precision fluid metering technology is helping food and beverage manufacturers improve product consistency, reduce waste and enhance production efficiency through highly accurate, pulseless ingredient dosing.
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