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Alumina Ceramic Pump Core Manufacturer & Supplier - جيفينج سيراميك

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Alumina Ceramic Pump Core

Alumina ceramic pump cores are core pump components made from high-purity alumina (Al₂O₃ ≥ 95%) through precision forming, high-temperature sintering, and CNC grinding. Products include impellers, shaft sleeves, seal rings, valve cores, and other parts.

With hardness exceeding HRA 85 and acid/alkali resistance (pH 0–14), they can replace metal and plastic pump cores. They are widely used in industrial pump systems conveying highly corrosive, high-purity, or particle-containing media, significantly extending equipment life and reducing maintenance costs.

  • Product Details
  • Technical Specifications

التطبيقات النموذجية & Solutions

Semiconductor Wet Processing Equipment

l Etchant Transfer Pump: Laminar/turbulent flow control; flow fluctuation < ±1.5%; HF/HNO₃ resistant; ion contamination < 0.1 ppb.

l CMP Slurry Circulation Pump: Nano‑finished surface (Ra ≤ 0.05 ميكرومتر); resists abrasive particles; service life > 20,000 hours.

New Energy Sector

l Fuel Cell Hydrogen Recirculation Pump: Zero hydrogen embrittlement; hydrogen permeability < 1×10⁻¹⁰ mol/(m²·s·Pa); optional Pt/Ru conductive coating.

l Sodium-Sulfur Battery Molten Salt Pump: Resists 400°C molten sulfur & liquid sodium; thermal shock resistant (ΔT=800°C→room temp, 50 cycles no cracking).

Special Industrial Systems

l High-Temperature Molten Salt Heat Transfer Pump: Resists 600°C nitrate/chloride molten salt; low thermal expansion (6.5×10⁻⁶/°C).

l Nuclear Waste Treatment Pump: Gamma radiation resistant (>10⁶ Gy); zero radioactive adsorption; decontamination factor > 10³.

Customization Services

Precision Adapted Design

Flow field simulation (ANSYS Fluent); Al₂O₃-ZrO₂ composite toughening (fracture toughness up to 8 MPa·m¹ᐟ²).

Advanced Manufacturing

Micro-pore grouting (min. flow width 0.2 مم, tolerance ±0.01 mm); atmosphere sintering (O₂ < 5 ppm).

Full‑Process Quality Control

Helium leak detection (sensitivity 10⁻¹² Pa·m³/s); particle counting (ISO Class 4 cleanroom standard).

ItemValueAdvantage vs Metal/Plastic
Chemical Corrosion ResistanceResists 98% H₂SO₄, 40% HF (no failure in 1000h)No intergranular corrosion; compatible with strong acids/alkalis
High Temperature ResistanceContinuous operating temp: 1400درجة مئوية; instantaneous: 1600درجة مئوية75% higher heat resistance than 316L stainless steel
Wear ResistanceHardness HV 1500–1700; friction coefficient < 0.151.5× more erosion-resistant than silicon carbide
Media CompatibilitySupports strong oxidizers, solvents, molten metalsZero metal ion leaching; purity retention > 99.99%

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