CERAMIC-LINED
PIPE BENDS

Ceramic Liner and Metal Housing

Ceramic-lined bends use a hard internal product-contact surface within a structural pipe shell. The liner may be formed from tiles, segments or other engineered shapes. Unlike an external ceramic-backed bend, the ceramic is exposed to the conveyed particles from the beginning of operation.

The liner material is not sufficient to define performance: joint design, bonding/retention, impact loading and finished bore need equal attention.

Alumina and Silicon Carbide Liner Options — Pending Validation

Alumina and silicon carbide are established industrial ceramic materials used for wear protection. They are candidates for application discussions, but specific PneuBend ceramic chemistries, purity levels and formulations are not yet approved as stocked options. Any offer will identify the actual material and fabrication route.

Sizes DN50–DN400

Connection sizes are proposed from DN50 through DN400. The shell OD and liner thickness determine the eventual clear bore; the nominal DN is not itself a guaranteed finished ID.

Bend Angles 30°, 45° and 90°

Each proposed angle must be checked against the liner arrangement and wall-impact pattern. Continuous shell curvature does not guarantee a continuous liner surface if the design uses discrete segments.

Fixed Radii and Dimensional Data

Candidate common catalog for the five pipe-based families. Manufacturing and lining feasibility not yet approved. All dimensions in millimetres.

The values are suggested configuration tiers, pending manufacturing approval. Tighter bends may require smaller liner elements or an alternative method, with possible consequences for joint count and impact resistance.

Carbon Steel, AISI 304 and AISI 316 Shells

The outer pipe provides structural support and connections. Choice of carbon steel or stainless steel should reflect corrosion, cleaning, strength and the complete assembly design. A stainless steel shell does not make an unsuitable ceramic or bond chemically compatible.

DIN/ANSI Flanges and Straight Pipe Ends

Plain pipe and flanged ends are proposed. Specify the pipe size standard, flange pattern, liner continuation and gasket surface. The fitted liner and the adjacent pipework should maintain the intended bore and avoid abrupt steps.

Finished Bore and Connection Transition

A dimensional drawing must separately identify shell OD, nominal connection size, liner thickness, minimum finished bore, internal steps and transitions. This is essential for calculating local velocity, avoiding plugging and verifying fit.

Cleaning, Impact and Liner Integrity

Ceramics are hard but can be vulnerable to impact, thermal shock or improper assembly. Confirm the particle size distribution, possibility of foreign objects, operating cycles, and cleaning methods. Monitor liner joints and the downstream pipe, not only the steel casing.

Technical Quotation

Availability, actual finished bore, wall thickness, pressure/temperature limits, flange drilling, mass and accepted manufacturing combinations are confirmed on an approved quotation and drawing.

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