High-Purity Alumina Ceramic Fittings The Best Solution For Harsh Operating

Product Specification

High-Purity Alumina Ceramic Fittings The Best Solution For Harsh Operating Conditions

Introduction

Alumina ceramic pipe fittings are specialized industrial ceramic components manufactured from high-purity (typically 92%, 95%, or 99% alumina content) alumina (Al₂O₃) powder through precision forming and ultra-high temperature sintering technology. Renowned for their extreme hardness, exceptional wear resistance, outstanding corrosion resistance, and good mechanical strength, they are the ideal choice for extreme and harsh operating conditions. They significantly extend the service life of pipeline systems and reduce maintenance costs.

Applications

Alumina ceramic fittings are widely used in industrial pneumatic conveying and slurry transport systems that require resistance to severe wear and corrosion. Typical application industries include:

• Power Industry: Pneumatic conveying of fly ash and limestone powder in coal-fired power plants.

• Mining & Metallurgy: Conveying of ore powder, tailings, cement raw meal/clinker, and steel grit.

• Chemical Industry: Transport of corrosive chemicals, catalysts, and plastic pellets.

• Mechanical Industry: Piping systems for sandblasting and abrasive blasting equipment.

Advantages

1. Superior Wear Resistance: Rockwell hardness up to HRA85 and above. Its wear resistance is 266 times that of manganese steel and 171.5 times that of high-chromium cast iron, enabling it to withstand the continuous scouring of high-speed flowing particles.

2. Excellent Corrosion Resistance: Exhibits excellent inertness to most acids, alkalis, and solvents, far exceeding metals like stainless steel.

3. Smooth Inner Wall: The high surface smoothness and low friction coefficient effectively reduce conveying resistance, improve efficiency, and prevent material clogging.

4. High Temperature Resistance: Can operate stably for long periods at temperatures up to 1600°C without performance degradation.

5. Long Service Life: Dramatically reduces downtime for replacements, offering significant comprehensive economic benefits.

Specifications Table

Manufacturing Process

Raw material preparation → Isostatic/Dry pressing → High-temperature sintering (>1600°C) → Precision machining (grinding, polishing) → Non-destructive testing (flaw detection) → Dimensional inspection → Packaging and storage.

Usage Instructions

1. Pre-Installation: Inspect the fitting for visual defects such as cracks or chipped edges. Ensure the pipeline flange mating surface is flat and clean.

2. During Installation: Use dedicated tools and tighten bolts evenly and symmetrically to avoid damaging the ceramic part due to uneven force. Never strike the ceramic area directly with a steel hammer.

3. System Operation: Avoid thermal shock from sudden cooling or heating. Slowly increase temperature and pressure during system startup.

4. Maintenance: Regularly check for loose fastening bolts and aging seals.

After-Sales Service

We provide comprehensive technical support and after-sales service, including: product technical consultation, custom non-standard sizes, and installation guidance. The product quality warranty period is 12 months. We commit to free repair or replacement for quality issues under normal use conditions.

FAQ

Q1: Are alumina ceramic fittings fragile?
A1: Yes, brittleness is an inherent disadvantage of ceramic materials. However, their compressive strength is very high. With correct installation and use (avoiding direct mechanical impact and torsional stress), their reliability is extremely high.

Q2: Can you customize non-standard sizes and shapes?
A2: Yes. We support customized production based on customer-provided drawings and technical requirements.

Q3: How are ceramic fittings connected to metal pipes?
A3: The most common method is flanged connection. The ceramic component is typically encased in an external metal shell (e.g., carbon or stainless steel), which is fixed by welding or mechanical means. This metal shell has pre-made flanges for easy connection to the system pipeline.