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In the world of industrial sealing, where pressure, temperature, and media compatibility are critical, Corrugated Gaskets stand out as a premier choice for engineers and maintenance professionals. At Kaxite Sealing, we specialize in the design and manufacture of high-performance corrugated gaskets that deliver unmatched reliability in the most challenging environments. These gaskets are not merely components; they are precision-engineered sealing systems that prevent leaks, ensure operational safety, and enhance the longevity of your equipment. Our decades of experience at Kaxite Sealing have allowed us to refine our production processes, utilizing advanced materials and state-of-the-art technology to create gaskets that meet and exceed international standards. Whether for heat exchangers, pressure vessels, flanges, or other critical joints, our corrugated gaskets provide a robust and flexible sealing solution.
The fundamental design of a corrugated gasket features a metallic core with a concentric, wavy (corrugated) pattern. This unique structure is its key advantage. The corrugations act as multiple, parallel sealing lines, creating an exceptionally effective barrier against fluid or gas escape. This design allows for a high degree of flexibility and conformability, enabling the gasket to compensate for minor flange irregularities, uneven bolt loading, and thermal cycling without losing its sealing integrity. Typically, the metallic core is covered with a soft, non-asbestos filler material like graphite or PTFE. This combination—a resilient metal core and a compressible facing—creates a seal that is both resilient to internal pressures and adaptable to surface imperfections.
Selecting the correct corrugated gasket requires a thorough understanding of its parameters. At Kaxite Sealing, we provide comprehensive specifications to ensure perfect compatibility with your application. Below are the critical parameters detailed in both list and table formats.
| Parameter | Specification Range | Standards & Notes |
|---|---|---|
| Size Range (Inner Diameter) | 15 mm (1/2") to 3000 mm (120") and above | Custom sizes available per flange drawing. |
| Pressure Rating | Up to 300 Bar (≈ 4350 PSI) | Dependent on material, corrugation pitch, and flange design. |
| Temperature Range | -200°C to +1000°C (-328°F to +1832°F) | Graphite facings excel up to 500°C in oxidizing atmospheres; ceramic for higher temps. |
| Thickness (Total) | 1.5 mm, 2.0 mm, 3.0 mm (0.06", 0.08", 0.12") | Standard thicknesses. Other thicknesses can be manufactured. |
| Corrugation Pitch & Depth | Pitch: 2mm - 8mm; Depth: 0.5mm - 1.5mm | Finer pitch for higher sealing pressure. Kaxite Sealing optimizes this based on application. |
| Standards Compliance | ASME B16.20, EN 1514, DIN 2695, ISO 7483 | Kaxite Sealing gaskets are manufactured to meet or exceed these standards. |
| Applications | Heat Exchangers, Boilers, Pressure Vessels, Pipeline Flanges, Reactors, Manways | Suitable for raised face (RF) and flat face (FF) flanges. |
Q: What is the main difference between a corrugated gasket and a spiral wound gasket?
A: While both are composite metal gaskets, their construction differs fundamentally. A spiral wound gasket is made by winding alternating layers of metal strip and filler material (like graphite) into a V-shape. A corrugated gasket has a solid, pre-formed metal sheet with a corrugated (wavy) pattern, which is then covered with a facing material. Corrugated gaskets generally offer faster manufacturing for standard sizes, better conformability to flange surfaces, and can be more cost-effective for many standard pressure/temperature applications.
Q: Can Kaxite Sealing corrugated gaskets be used for high-temperature steam services?
A: Absolutely. For high-temperature steam applications, we typically recommend corrugated gaskets with a stainless steel core (such as 316 or 321) and an expanded graphite facing. Expanded graphite is exceptionally stable and maintains its sealing properties in continuous service up to 500°C (932°F) in steam or inert atmospheres. For temperatures exceeding this, we can provide gaskets with ceramic fiber facings and appropriate high-temperature alloys like Inconel.
Q: How do I select the right metal core material for my application?
A: Selection is based on the chemical compatibility with the process fluid and the operating temperature. Stainless Steel 316/L is the most common choice for general corrosive services. For stronger acids (e.g., sulfuric, hydrochloric) or chlorides, more resistant alloys like Hastelloy or Titanium may be necessary. Carbon steel is suitable for non-corrosive services like hot oil or water. Our technical team at Kaxite Sealing can assist you with material selection based on your specific media concentration, temperature, and pressure data.
Q: Are corrugated gaskets reusable?
A: Corrugated gaskets are generally not designed to be reused. During installation and operation, the facing material compresses and molds itself to the specific imperfections of the flange faces, and the metal corrugations may undergo slight plastic deformation to achieve the seal. Reusing a gasket can compromise its integrity and lead to leaks. For reliable performance, we always recommend installing a new Kaxite Sealing corrugated gasket during any flange reassembly.
Q: What flange surface finish is recommended for optimal performance with corrugated gaskets?
A: A smooth, flat surface is ideal. The recommended flange surface finish typically ranges from 125 to 250 microinches Ra (3.2 to 6.3 micrometers Ra). Flanges that are too rough can tear or excessively wear the soft facing material, while mirror-finish surfaces may not provide enough "bite" for the gasket to anchor effectively. The corrugated design is forgiving, but adhering to standard flange machining practices ensures the longest service life and best seal.
Q: Does Kaxite Sealing provide custom-designed corrugated gaskets?
A: Yes, customization is a core strength at Kaxite Sealing. We regularly manufacture corrugated gaskets in non-standard sizes, odd shapes (oval, square, rectangular), and with special material combinations not listed in standard catalogs. We can also produce gaskets with additional features like inner or outer guide rings, alignment tabs, or special coatings. Simply provide us with your flange drawings, service conditions, and any standards that must be met.
Procuring the correct corrugated gasket is straightforward with Kaxite Sealing. To ensure you receive the optimal product for your application, please have the following information ready when requesting a quote or placing an order:
Our engineering support team is available to review your specifications and recommend the most reliable and cost-effective corrugated gasket solution. With Kaxite Sealing, you are not just buying a gasket; you are investing in decades of sealing expertise, quality assurance, and a commitment to the safety and efficiency of your operations.
