High precision ceramic dosing pumps are the core equipment for micro-dose, high-accuracy fluid delivery in modern industry. Featuring ultra-precision, corrosion resistance, zero contamination and long service life, they are widely used in pharmaceutical, lithium battery, semiconductor, laboratory and fine chemical industries.

This complete guide covers working principles, key advantages, selection methods, installation, calibration, maintenance and troubleshooting to help you use high precision ceramic dosing pumps safely, stably and efficiently.

1. What is a high precision ceramic dosing pump?

A high precision ceramic dosing pump is a volumetric precision pump that uses ceramic plungers, valves and flow components. It achieves stable and accurate liquid dosing with extremely low deviation, making it ideal for high-demand industrial processes.

Features:
• Accuracy up to ±0.1%
• Zero metal contamination
• Strong corrosion resistance
• Ultra-low pulsation
• Long service life

2. Core advantages of ceramic dosing pumps

Ultra-high precision

• Micron-level machining accuracy
• Stable flow output
• Suitable for micro liquid dosing
• No drift over long-term use

Material superiority

• Inert ceramic material
• No corrosion, no rust
• Zero ion precipitation
• Super wear resistance

3. How to select the right model

Select based on 5 key factors:

• Flow range: minimum and maximum output
• Medium properties: corrosive, viscous, abrasive
• Working pressure: inlet and outlet pressure
• Control mode: manual, automatic, analog
• Hygiene standard: GMP, food, semiconductor

4. Installation and commissioning steps

1. Install horizontally and fix stably
2. Connect inlet and outlet pipes correctly
3. Check for air tightness and no leakage
4. Add liquid and exhaust bubbles
5. Test run at low speed for 5–10 minutes

5. Flow calibration for high precision

1. Preheat the pump for 5–10 minutes
2. Use pure water or standard liquid for testing
3. Collect liquid and measure actual volume
4. Adjust compensation parameters on controller
5. Repeat 3 times to ensure accuracy within ±0.1%
6. Save calibration records

6. Daily maintenance and care

Daily inspection → Check leakage, noise, flow stability
       Cleaning → Flush after use to prevent crystallization and blockage
       Seal replacement → Replace every 1–3 months
       Calibration → Calibrate every 1–3 months
       Storage → Clean, dry and dust-proof

7. Common applications

• Pharmaceutical & laboratory: reagents, injection, sampling
       • Lithium battery: electrolyte, additives, conductive paste
       • Semiconductor: ultra-pure chemicals, cleaning agents
       • Fine chemical: additives, solvents, catalysts
       • Food & beverage: flavors, nutrients, additives

8. Quick guide summary table

High precision ceramic dosing pumps provide reliable, stable and ultra-precise fluid delivery. Proper selection, installation, calibration and maintenance will maximize performance, extend service life and ensure production stability.