Solution topic
How to Choose Small-Dose Liquid Filling? Comparison of Magnetic Pump, Servo Piston, and Corrosion-Resistant Materials
Compare magnetic pump filling, servo piston filling, corrosion-resistant materials, sealing and capping, labeling and coding, and small bottle line solutions for reagents, serums, fragrances, disinfectants, and small-capacity liquids.
- For reagents, serums, fragrances, disinfectants, and small-capacity liquid projects, first confirm the capacity range, liquid corrosiveness, foam, viscosity, and accuracy requirements, then decide on the magnetic pump, servo piston, pipe material, and downstream sealing and capping.
- Small-Dose Liquid Filling
For Small-Dose Filling, First Look at Material, Not Capacity
Customers often ask about bottles per minute, but for small-dose projects, material properties come first. Whether the liquid is corrosive, foaming, stringy, or volatile directly affects the pump type and piping.
Capacity Range Determines Metering Structure
1-10ml, 10-100ml, and larger capacities have different requirements for pump type, nozzle, and anti-drip. If the capacity span is too large, separate specifications or change parts may be needed.
Magnetic Pump Suitable for Light and Clean Scenarios
For low-viscosity, small-dose, frequent-change projects, consider a magnetic pump first. It does not mean it suits all small doses; material and accuracy remain key.
Piston Filling More Suitable for Stable Batch Production
For higher viscosity, larger capacity, or when more stable repeat accuracy is desired, evaluate servo piston. This route is common for daily chemical and food liquids.
Corrosiveness Cannot Be Guessed by Experience
For acid, alkali, solvent, disinfectant, and reagent projects, confirm MSDS, concentration, temperature, and cleaning method before determining contact materials and seals.
How Our Existing Equipment Can Handle It
Existing equipment can cover magnetic pump small-dose filling, servo piston filling, liquid quantitative filling, small bottle aluminum foil sealing, capping, labeling, coding, and bottle mouth cleaning.
Clarify the Packaging Target First
For small-dose liquid filling projects, first confirm the sales scenario, freshness or leak-prevention target, required capacity, and whether an in-line setup is needed.
Route comparison
- Suitable for low-viscosity, relatively clean, small-volume liquids where cleanliness is important.
- The structure is relatively light, suitable for trials with reagents, fragrances, essences, and small bottles.
- High-viscosity liquids, products with particles, or liquids requiring strong suction may not be suitable.
- When the product has particles, high viscosity, or serious foam, do not consider only a magnetic pump.
- Start with a magnetic-pump small-dose filling machine and confirm the piping material.
- Suitable for liquids with a wider volume range, higher viscosity, or a need for more stable dosing.
- Dosing is stable, suitable for personal-care liquids, food liquids, and some paste-like liquids.
- Cleaning and product changeover requirements should be confirmed in advance; corrosive liquids require material checking.
- For very small doses and very thin liquids, a piston structure may not be the lightest solution.
- Start with a servo piston liquid filling machine.
- Suitable for acids, alkalis, disinfectants, cleaning agents, corrosive reagents, and similar products.
- Corrosion risk is reduced by selecting suitable contact materials, seals, and piping.
- Product composition, MSDS, concentration, and cleaning method must be confirmed.
- Without product information, a standard stainless-steel solution cannot be promised directly.
- Confirm contact materials first, then select the pump type and valve body.
- Suitable for batch production of small bottles where filling, cap feeding, capping, labeling, and coding need to be connected.
- It reduces manual transfer and suits stable orders and export label traceability.
- Bottle stability, cap orientation, label material, and line speed all need to be confirmed.
- If the cap or label orientation is not finalized, do not build a complex line directly.
- First validate filling consistency, then connect capping, labeling, coding, and inspection.
Core process
Determines pump type, nozzle, anti-drip, and contact materials.
Choose filling method based on accuracy, material, and cleaning requirements.
Confirm bottle mouth, cap, and whether inner seal is needed.
For reagent, food, and daily chemical projects, reduces bottle mouth contamination.
For export or channel orders, confirm label direction and batch number rules in advance.
For batch production, add weight and appearance inspection.
Associated Equipment / Consumables
Magnetic pump small-dose filling machineCapacity and Liquid Status Confirmation; Determines pump type, nozzle, anti-drip, and contact materials; Capacity Range; Viscosity
Servo Piston Liquid Filling MachineCapacity and Liquid Status Confirmation; Determines pump type, nozzle, anti-drip, and contact materials; Capacity Range; Viscosity
Reagent Tube Aluminum Foil SealerBottle Mouth and Sealing; Confirm bottle mouth, cap, and whether inner seal is needed; Reagent Tube Aluminum Foil Sealing; Screw Capping
Date & Batch Inkjet PrinterLabeling and Coding; For export or channel orders, confirm label direction and batch number rules in advance; Labeling; Batch Number
Round & Square Bottle Labeling MachineLabeling and Coding; For export or channel orders, confirm label direction and batch number rules in advance; Labeling; Batch Number
Liquid Quantitative Filling MachineCapacity and Liquid Status Confirmation; Determines pump type, nozzle, anti-drip, and contact materials; Capacity Range; Viscosity
Food-Grade Seals, Cleaning Consumables, and Changeover PartsCapacity and Liquid Status Confirmation; Determines pump type, nozzle, anti-drip, and contact materials; Capacity Range; Viscosity
Labels, Inkjet Inks, and Thermal Transfer RibbonsLabeling and Coding; For export or channel orders, confirm label direction and batch number rules in advance; Labeling; Batch Number
Sample details
Material and capacity range determine the pump type; incomplete information can still be sent.
Capacity range, material name, corrosiveness, foaming.Bottle mouth size, cap type, and bottle stability affect the filling nozzle and downstream equipment.
Bottle photo, bottle mouth size, cap photo, bottle height.For small-dose projects, state accuracy requirements and target cycle time separately.
Allowable error, bottles per minute, manual or inline mode.For multi-product, small-batch projects, consider cleaning, material change, and material compatibility.
Material change frequency, cleaning fluid, quick-change requirement.Capping, sealing, labeling, coding, and collection method determine the overall line layout.
Whether capping, labeling, coding content, collection method.Common selection mistakes
Common questions
Not necessarily. Magnetic pumps suit low-viscosity clean liquids; for high viscosity, particles, or different accuracy requirements, consider piston or other structures.
It can be evaluated, but material composition, concentration, MSDS, and contact materials must be confirmed.
It can be evaluated. If the capacity span is too large, nozzle, piping, or parameter changes may be needed.
Yes, first ensure stable filling, then connect downstream based on cap, label, and capacity.
You can first send capacity, material name, and bottle photos; we will assess the direction and list supplementary information.
If residual liquid at the bottle mouth affects sealing, capping, or appearance, a blow-off or bottle mouth cleaning module can be added.