Kaxite corrugated gaskets combine a wave-profile metal core with a soft facing on both faces — expanded graphite, ceramic or PTFE — so the gasket handles two jobs at once. The corrugation provides controlled compression and recovery at bolt loads too low for a spiral wound or ring joint gasket; the soft facing provides the actual sealing contact with the flange or head. That combination is what makes corrugated gaskets the standard choice for large diameter flue gas ducts, boiler heads and low-pressure high-temperature joints, where the diameter is too large for other gasket families and the bolt load is limited. See the full gaskets range for the other families that share the same flange library.
Steam, hydrocarbons, thermal oil, inert gases. General high-temperature service where a soft and chemically inert sealing layer is required.
-200 to +550 °CBoiler flue gas, exhaust ducting, incinerator lines. Where graphite would oxidise and PTFE would decompose.
up to +1000 °CAcids, alkalis, solvents and food-grade lines. Low-friction surface where the flange face finish is smooth.
-100 to +260 °CThe facing is applied to both faces of the corrugated core; the core only contacts the flange if the facing is damaged or missing. Send the media and temperature and Kaxite will confirm the facing grade before production.
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| Core material | Typical service | Notes |
|---|---|---|
| SS304 | General purpose, steam, process gas | Most common corrugated core |
| SS316 / SS316L | Chloride, coastal, food-grade | Higher corrosion resistance |
| SS321 | High-temperature flue gas | Stabilised against intergranular corrosion |
| Copper | Steam, thermal | Higher thermal conductivity |
| Aluminium | Low-pressure gas, air ducting | Lightweight and low cost |
| Monel 400 | Seawater, hydrofluoric acid | Nickel-copper alloy |
| Titanium | Chlorine, oxidising media | Highly corrosion resistant |
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| Parameter | Typical range | Notes |
|---|---|---|
| Nominal size (DN) | DN 10 – DN 4000 | Larger and non-standard diameters quoted from drawings |
| Pressure rating | PN 6 / 10 / 16 / 25 / 40 | Per DIN EN 1514-4 dimensions |
| Core thickness | 1.0 – 3.0 mm | Corrugation pitch and depth per drawing |
| Facing thickness | 0.4 – 1.0 mm per side | Depends on facing material |
| Facing application | Both faces | Single-sided available for special cases |
| Marking | Size, class, core and facing material, KXT | Stencilled or tagged per batch |
Kaxite Sealing produces corrugated gaskets in Ningbo, Zhejiang, with the corrugation, facing application and final inspection on one site so the facing is not damaged in transit before packing. Standard sizes follow DIN EN 1514-4; ASME B16.20 dimensions and customer drawings are also quoted. Diameter is practically unlimited — the only real constraint is transport and flange access, which is why very large rings are shipped as split segments or in segments with overlap. Free samples are available for qualified projects with the mill certificate attached. Factory visits and video audits are welcome by appointment; ISO 9001 certificate details are available on request.
Request a corrugated gasket quote
Tell us flange diameter, pressure class, core material, facing material (graphite / ceramic / PTFE), corrugation pitch and working media. Free samples and drawings available for qualified projects.
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No 432 Zhenhai Middle Road, Luotuo Street, Zhenhai District, Ningbo City, Zhejiang China
