Find the right new and used industrial dosing unit for your process with The Commercial Trader. Whether you’re metering chemicals into a water treatment loop, adding colour concentrate to plastic extrusion, or feeding ingredients into a food production line, we connect you directly with trusted sellers offering dosing equipment for every industry.
Browse dosing units across every major type, metering pumps, volumetric and gravimetric feeders, loss-in-weight systems, screw feeders and chemical dosing skids, with accuracy, flow range and compatibility specifications available from sellers.
Unsure which dosing technology best suits your process? Contact us and we’ll help guide you, or browse related categories below.
Industrial Machinery Categories
Get in touch with the team to advertise your business today. Contact us now.Â
Get in touch with the team to advertise your business today. Contact us now.Â
An industrial dosing machine is a unit that delivers a precisely controlled amount of material, liquid, powder or granule, into a process. Dosing systems are the beating heart of continuous manufacturing, controlling ingredient ratios in food production, chemical concentrations in water treatment, catalyst feeds in chemical reactors, and colour masterbatch in plastic moulding. Accuracy is typically measured in % deviation, with standard equipment achieving ±1-3% and high-precision pharma dosing reaching ±0.1%.
Mechanical dosing pumps and feeders typically last 15-25 years with regular servicing. Wear components (diaphragms, plunger seals, auger flights, load cells) require replacement on cycles of 1-5 years depending on duty. Electronic controls may need updating sooner to maintain spare part support.
Accurate dosing underpins product quality, compliance and cost control in continuous manufacturing.
Dosing equipment is well-suited to second-hand purchase because the core technologies are mature and spares are widely available.
Diaphragm, plunger, piston and peristaltic metering pumps deliver precise liquid flows from millilitres per hour up to several cubic metres per hour. Chemical dosing pumps are used for water treatment, cooling tower chemistry, boiler feed, pH control and process chemical addition. Solenoid-driven diaphragm pumps suit lower flows; motor-driven diaphragm and plunger pumps handle higher pressures and flows.
Volumetric screw and vibratory feeders deliver powders and granules at a set volumetric rate, calibrated against product bulk density. Economical for products with consistent flow characteristics, filler dosing in plastics, minor ingredient addition in food, colour masterbatch in injection moulding.
Loss-in-weight (LIW) feeders continuously weigh the hopper and adjust feed rate to hit the target mass flow precisely, accuracy typically ±0.25-1%. Essential where bulk density varies (recycled materials, seasonal ingredients) or tight tolerances are required (pharma, cable extrusion, premium food).
Rotating screws inside horizontal or inclined tubes move powders and granules to downstream processes. Flexible screws suit long runs or flexible routing; rigid auger feeders offer higher accuracy for shorter delivery distances.
Integrated skid-mounted systems combine tanks, pumps, agitators, valves and controls into a single plug-and-play unit. Common in water treatment, chemical handling and utility dosing, simplifies installation and commissioning compared with specifying components separately.
As a buyer-to-seller marketplace, we feature industrial dosing units from sellers across the UK and beyond. Use our location and distance filters to find equipment near your facility, which can significantly reduce transport costs for heavy or awkward machinery.
The Commercial Trader is one of the UK’s largest marketplaces for commercial machinery, bringing together manufacturers, dealers, brokers and end-users on a single searchable platform.
Alongside industrial dosing units, we also list:
Learn more about us, or contact us if you have any questions.
As we operate as a buyer-to-seller marketplace, any returns policy must be agreed directly with the seller before purchase. We’d recommend pre-purchase inspection wherever possible, along with a review of maintenance records and any recent service reports.
We list a comprehensive range of industrial machinery sub-categories, including:
