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Zirconia Ceramic Plunger

Zirconia Ceramic Plunger is made of high-purity yttria-stabilized zirconia (Y-TZP) via isostatic pressing and high-temperature sintering. Compared with metal plungers, it provides superior wear resistance, corrosion resistance, precision sealing and long service life. It is widely used in high-pressure pumps, metering pumps, dosing systems for pharmaceutical, chemical, new energy and food industries.

  • Material: High-purity Y-TZP Zirconia, purity ≥ 99.9%
  • Thermal Performance: Continuous operating temperature up to 800°C
  • Precision Machining: Diameter tolerance of ±0.005 mm (ISO Grade 3 precision)
  • Fluid Compatibility: Suitable for acids, alkalis, organic solvents, high-viscosity fluids, and particle-laden slurries with particles ≤ 50 μm
  • Certifications: ISO 9001, FDA, and ISO 13485 compliance available

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  • Product Details
  • Technical Specifications

Why Choose Zirconia Ceramic Plunger?

10x higher wear resistance: Hardness HRA88+, bending strength ≥900MPa, ideal for slurry with particles.

Excellent corrosion resistance: Withstands pH 1–14, acids, alkalis, organic solvents; 5x longer life than 316L.

Precision sealing & zero leakage: Mirror polished Ra≤0.1μm, matches PTFE/graphite seals; leakage ≤0.01%.

Lightweight design: Density 6.05g/cm³, 30% lighter than metal, reduces energy consumption.

 

Core Applications

Pharmaceutical & Bioengineering

Sterile liquid transfer pumps; Ra≤0.02μm, CIP/SIP, GMP compliant.

Hemodialysis equipment; biocompatible, non-cytotoxic.

Chemical & Petroleum

High-pressure chemical pumps; HF resistant, 0–20MPa, for acid pickling & electroplating.

Oilfield water injection pumps; sand-resistant, service life ≥8000 hours.

New Energy & Lithium Battery

Electrolyte dosing pumps; LiPF6 resistant, flow error ≤0.5%.

Photovoltaic slurry transfer; silicon powder wear resistant.

Food & Cosmetics

High-viscosity pumps; zero adhesion, FDA certified, easy to clean.

ParameterDetails
Material Purity≥99.9% Zirconia (Y-TZP)
Temperature ResistanceLong-term working temp: 800°C
Machining PrecisionDiameter tolerance: ±0.005mm
Compatible MediaAcids, alkalis, solvents, high-viscosity fluids, slurry (particles ≤50μm)
CertificationsISO 9001, FDA, ISO 13485

 

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