Alumina Ceramic Filling Pump Parts & Heads

What Is an Alumina Ceramic Filling Pump?

An alumina ceramic filling pump is a ceramic metering pump component used in filling machines to control the movement of liquids, creams, gels, pastes and other process media. The main wear surfaces are usually the ceramic plunger, pump barrel, rotary valve or valve seat. Compared with stainless steel or coated metal parts, alumina ceramic offers high hardness, chemical stability and a polished contact surface that helps reduce wear, scoring and dose drift in suitable media conditions.

Reference Volume Options for Alumina Ceramic Filling Pump Heads

The following volume ranges are reference options for early engineering selection. Final filling accuracy, ceramic grade, pump geometry and lead time should be reviewed according to media viscosity, stroke design, valve structure, equipment interface, seal material and cleaning method.

Type 1: Alumina Filling Pump For Cosmetics

Alumina Filling Pump For Cosmetics
Model No.	Volume (mL)	Al₂O₃ Purity	Reference Filling Accuracy
AT-CP-001	0.2	95-99	＜1%
AT-CP-002	0.5	95-99	＜1%
AT-CP-003	1	95-99	＜1%
AT-CP-004	2	95-99	＜1%
AT-CP-005	3	95-99	＜0.5%
AT-CP-006	5	95-99	＜0.5%
AT-CP-007	7	95-99	＜0.5%
AT-CP-008	10	95-99	＜0.5%
AT-CP-009	15	95-99	＜0.5%
AT-CP-010	16	95-99	＜0.5%
AT-CP-011	20	95-99	＜0.5%

Type 2: Alumina Filling Pump for Laboratory Reagents and Hygienic Filling Systems

Alumina Filling Pump For Pharmaceutical and Biological Agents
Item NO.	Volume (mL)	Al₂O₃ Purity (%)	Reference Filling Accuracy
AT-CP-1001	0.5	95-99	＜1%
AT-CP-1002	1	95-99	＜1%
AT-CP-1003	2	95-99	＜1%
AT-CP-1004	3	95-99	＜0.5%
AT-CP-1005	5	95-99	＜0.5%
AT-CP-1006	7	95-99	＜0.5%
AT-CP-1007	10	95-99	＜0.5%
AT-CP-1008	15	95-99	＜0.5%
AT-CP-1009	16	95-99	＜0.5%
AT-CP-1010	20	95-99	＜0.5%
AT-CP-1011	30	95-99	＜0.5%
AT-CP-1012	40	95-99	＜0.5%

Type 3: Alumina Filling Pump For Food

Alumina Filling Pump For Food
Item NO.	Volume (mL)	Al₂O₃ Purity (%)	Reference Filling Accuracy
AT-CP-2001	1	95-99	＜1%
AT-CP-2002	2	95-99	＜1%
AT-CP-2003	3	95-99	＜0.5%
AT-CP-2004	5	95-99	＜0.5%
AT-CP-2005	7	95-99	＜0.5%
AT-CP-2006	10	95-99	＜0.5%
AT-CP-2007	15	95-99	＜0.5%
AT-CP-2008	16	95-99	＜0.5%
AT-CP-2009	20	95-99	＜0.5%
AT-CP-2010	30	95-99	＜0.5%
AT-CP-2011	40	95-99	＜0.5%
AT-CP-2012	40-220	95-99	＜0.5%

Type 4: Alumina Filling Pump For Battery Electrolytes

Alumina Filling Pump For Battery Electrolytes
Item NO.	Volmue (ml)	Purity (%)	Volume ofBattery Electrolytes (g)	Filling Accuracy (%)
AT-CP-3001	0.5	95-99	0.5g	＜0.3%
AT-CP-3002	1	95-99	1g	＜0.3%
AT-CP-3003	2	95-99	3g	＜0.3%
AT-CP-3004	3	95-99	8g	＜0.3%
AT-CP-3005	4	95-99	18g	＜0.3%
AT-CP-3006	5	95-99	40g	＜0.3%

Download Size Guide

Alumina Grade Reference for Pump Components

These values are reference properties for alumina ceramic pump components. Final material grade, tolerance, surface finish and media compatibility should be reviewed according to pump geometry, filling volume, media viscosity, cleaning method, seal material and equipment interface.

Property	AD-ALU-950	AD-ALU-960	AD-ALU-990	AD-ALU-995	AD-ALU-997	AD-ALU-999
Nominal Al₂O₃ (wt%)	95	96	99.00	99.50	99.70	99.90
IEC 60672-3 composition group	C795	C795	C795	C799	C799	C799
Density (g/cm³, typical)	3.75	3.70	3.80–3.91	3.90–3.92	3.94	3.94
Flexural strength (MPa, 20 °C, typical)	280	300	300–320	320–350	330	315–340
Compressive strength (MPa, 20 °C, typical)	2000	2000	2400	2400	2500	2558–2900
Young's modulus (GPa, typical)	340	275 at 20 °C	355	365	370	359–375
Fracture toughness KIC (MPa·m½, method-dependent)	3.0	3.5 at 20 °C	3.3	3.5	3.6	3.8–4.2
Thermal conductivity (W/(m·K), typical)	18–25 at 25 °C	25 at 20 °C	24 at 25 °C	30–38 at 25 °C	35–40 at 25 °C	35–42 at 25 °C
Mean CTE (10⁻⁶/K)	7.6, 25–800 °C	8.2, 25–1000 °C	7.2, 25–800 °C	7.6, 25–800 °C	7.6, 25–800 °C	7.6, 25–800 °C
Water absorption (%, selection limit)	≤0.20	≈0	≤0.10	≤0.10	≤0.05	≤0.01
Mohs hardness (typical)	9	—	9	9	9	9
Use temperature guide (°C, application-dependent)	1400	1600 max in air	1600	1650	1700	1750

Choose the Supply Unit for Your Filling Equipment

A filling pump project can start at three supply levels. Each has a different document set, so naming the level first keeps the drawing review short.

Supply unit	Product scope	Selection basis
Ceramic wear part	Plunger, barrel, valve seat or outlet component	Drawing, working surface and mating part
Matched wear set	Specified plunger–barrel and valve components	Matched clearance, valve layout and set BOM
Drawing-based pump head	Specified ceramic parts, housing and connections	Interface drawing and agreed supply list

For a replacement project, an equipment nameplate, old-part number and photographs help identify the assembly. The drawing or sample then establishes its working geometry and interfaces.

What to Specify in a Filling Pump Wear Set

Hard working surfaces. Define the ceramic grade, plunger diameter, barrel bore and surface finish together for the mating wear parts.

Matched geometry. Keep clearance, bore roundness, valve port phase and assembly alignment on one drawing revision.

Cleanable wet end. Specify purge ports, drain angles, seal positions and cleaning conditions for flushing, drying and formula changeover.

Ceramic contact surfaces. Identify ceramic and metal surfaces throughout the flow path. Include seals, fittings and housing interfaces in the compatibility review.

Common Filling Pump Failure Modes and What to Check

1. Gradual Underfill

Symptom: The dose slowly drops below target without an alarm.

Check: Air in the chamber, interface seal leakage and plunger–barrel wear.
Next step: Re-prime and repeat calibration using the same fluid and speed. If underfill returns, inspect the wear pair and seals.

2. Rising Torque or a Stiff Stroke

Symptom: The stroke feels heavy or the drive current increases.

Check: Valve-seat alignment and particles trapped on the seating face.
Next step: Flush according to the equipment procedure and re-seat the valve. Inspect for seat damage and check the plunger separately for scoring or leakage.

3. Dripping After the Stroke Stops

Symptom: Fluid continues to drip after filling ends.

Check: Outlet tip wear, line pressure decay, anti-drip settings and valve-seat condition.
Next step: Record the drip pattern before adjusting settings or replacing the tip.

Keep an inspection record: Note the formula, dose setting and operating conditions. ADCERAX reviews these records with the drawing revision to identify the required replacement part, matched set or seal.

Key Features for a Filling Pump Wear Set

Selection focus	Feature to specify	Value to your project
Hard working surfaces	Ceramic grade, plunger diameter, barrel bore and surface finish	Define the wear pair for your formula and duty cycle
Matched geometry	Clearance, roundness, valve ports and assembly alignment	Control the fit, fluid path and replacement dimensions
Cleanable wet end	Wetted BOM, access to ports, seals and cleaning conditions	Plan formula changeover and maintenance around the assembly
Ceramic media-contact surfaces	Specify the ceramic contact areas and the complete wetted BOM	Plan the contact path for formulas sensitive to metal wear particles

Alumina Ceramic Filling Pump Packaging

Each plunger/barrel/valve seat set is separated with soft liners and bagged to keep surfaces clean.

Alumina Ceramic Filling Pump Applications

Cosmetics and personal care.

Creams, lotions, gels and fragrance carriers are filled with small doses and frequent color changes. Ceramic plungers and valve seats resist scoring from pigments and fillers, and the outlet geometry is specified for clean shutoff. The selection priority is viscosity, pigment content and changeover cleaning.
Food, flavor and syrup

Syrups, sauces, oils and extracts need stable displacement across a recipe change and a cleaning cycle. Ceramic contact surfaces avoid the metal wear that shows up as off-flavor risk in abrasive or acidic recipes. The selection priority is recipe temperature, port size, seals and the food-contact documentation for the destination market.
Laboratory reagents and hygienic filling

Small-dose work in a compact equipment envelope needs matched clearance and a flow path that can be cleaned and traced. Ceramic wear sets are specified against the manifold and nozzle fit. The selection priority is the dose target, cleaning conditions and required quality records.
Adhesives, inks and pigment-loaded media

<>Filled formulas score metal pump surfaces quickly. Ceramic plungers, barrels and valve seats keep the wear pair hard and non-metallic. The selection priority is particle size, solids loading, flushing method and the wear-pair geometry.
Battery electrolyte.

Electrolyte filling is a small-volume, mass-sensitive task where dose definition matters as much as the part. The selection priority is electrolyte composition, the mL or g dose definition, temperature, seal material and leakage criteria.

Alumina Ceramic Filling Pump Usage Instructions

Installation

1. Align the plunger to the barrel with the supplied sleeve; never force through the sealing zone.
2. Verify valve orientation and port matching; torque to spec to avoid seat warping.
3. Confirm interface seals are seated; perform a dry rotation check before media contact.
Operation

1. Prime at low speed until a bubble-free stream is observed; then calibrate dose.
2. Keep speed within recommended window for target viscosity to avoid cavitation.
3. Record stroke counts between cleans to benchmark wear and schedule preventive service.
Cleaning (CIP/SIP)

1. Flush with a compatible solvent/cleaner; avoid abrupt thermal shocks.
2. Use gentle, non-abrasive swabs on polished faces; do not scrape with metal tools.
3. Purge and dry; store with protective caps to keep sealing faces pristine.
Storage

1. Keep components dry, capped, and separated by liners; avoid impact and edge chipping.
2. Maintain serialized wear sets together to preserve matched clearances.
Common Misuse & Quick Fix

1. Symptom: Gradual underfill → Check: residual air or micro-leak at interfaces; re-prime and inspect seals.
2. Symptom: Torque spikes → Check: misaligned valve seat or particulate; re-seat and flush.
3. Symptom: Drip after stop → Check: nozzle tip wear or pressure decay; replace tip or adjust anti-drip.

Alumina Ceramic Filling Pump FAQ

What is an alumina ceramic filling pump used for?
An alumina ceramic filling pump is used in automated filling and dosing systems to dispense controlled volumes of liquids, creams, gels, pastes, syrups, inks or adhesives. It is selected when the process needs wear-resistant ceramic contact surfaces, stable metering geometry and compatibility review for viscous, aromatic or mildly abrasive media.
What is the difference between an alumina ceramic filling pump and a metal pump?
An alumina ceramic filling pump uses ceramic plunger, barrel and valve contact surfaces instead of relying only on stainless steel or coated metal wear faces. Alumina ceramic offers high hardness and chemical stability, which can help reduce scoring, corrosion-related wear and dose drift in suitable media conditions. The full system should still be reviewed for seals, metal interfaces and cleaning chemistry.
Can alumina ceramic filling pumps handle viscous or abrasive media?
Yes, alumina ceramic filling pumps are often considered for creams, gels, pastes, inks, adhesives and pigment-loaded media. The final design should be reviewed according to viscosity, particle size, filler loading, pump speed, valve geometry and cleaning method. Highly abrasive or particle-rich media may require special clearance, port and maintenance planning.
Are alumina ceramic filling pumps suitable for CIP or SIP cleaning?
Alumina ceramic pump components can be designed for cleanable flow paths, but CIP or SIP suitability depends on the full pump assembly, including seals, stainless parts, interface geometry, cleaning agent, temperature and pressure. ADCERAX can review ceramic component geometry and cleaning access based on your equipment requirements.
What information is needed to customize an alumina ceramic filling pump?
The most useful information includes target dose range, media type, viscosity, particle content, cleaning method, filling machine model, interface drawing, nozzle requirement and expected accuracy target. A drawing or sample helps confirm plunger size, barrel length, valve port layout and installation interface.
Q: How should alumina ceramic filling pump parts be maintained?
Keep matched plunger and barrel sets together, avoid metal tools on polished ceramic surfaces, flush the pump before media dries inside the chamber and inspect seals, nozzles and valve seats regularly. Maintenance intervals should be based on media abrasiveness, cleaning cycle, filling speed and actual wear condition.

Catalog No.	AT-CP-001
Material	≥ 96% Al2O3
Dimensional Tolerance	±0.01 mm or tighter on request
Surface Roughness	Ra ≤ 0.4 μm
Dimensions/Sizes	Download PDF

Alumina Ceramic Filling Pump Parts and Pump Heads

What Is an Alumina Ceramic Filling Pump?

Reference Volume Options for Alumina Ceramic Filling Pump Heads

Alumina Grade Reference for Pump Components

Choose the Supply Unit for Your Filling Equipment

What to Specify in a Filling Pump Wear Set