Your Professional Gasket Supplier
Sunlion Piping Engineering Co., Ltd. is a global supplier of piping systems and structural steel modules for energy, petrochemical, offshore, nuclear, and heavy industrial projects. With over 20 years of international project experience, Sunlion delivers vertically integrated solutions from raw materials to finished modules. The company serves leading EPC contractors and end users worldwide, providing compliant products, modular fabrication, inspection coordination, and OEM/ODM customization to support efficient and reliable project execution.
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![Spiral Gasket]()
Spiral GasketOur spiral gasket product range includes metallic, semi-metallic, and non-metallic gaskets, designed for reliable sealing in piping, pressure vessels, heat exchangers, valves, and flanged joints
why choose us
Quality Control
All products are manufactured to recognized standards such as ASME, DIN, GB, and JIS and undergo coordinated inspection and testing by third-party organizations such as SGS to ensure traceability and consistent quality.
Customization Services
We offer OEM and ODM services, tailored to project requirements, including material grades, dimensional tolerances, marking systems, packaging methods, and documentation, to meet both standardized and project-specific engineering needs.
Integrated Supply Chain
We manage the entire supply chain, from steel pipe sourcing to prefabricated piping and structural modules. This integrated model simplifies procurement coordination, improves schedule control efficiency, and minimizes interface risks between multiple suppliers in complex projects.
Sales Markets
With over two decades of experience executing international projects, we have delivered materials and modules to projects in the Middle East, Australia, the Americas, Africa, and Europe, supporting EPC general contractors under various technical standards and logistical conditions.
Specification
|
Specification Item |
Details |
|
Product Name |
Gasket |
|
Type |
Metallic sealing gasket |
|
Standards |
ASME B16.20, EN, DIN, JIS, GB |
|
Size Range |
½″ – 48″ (standard flange sizes) |
|
Materials |
Stainless steel, carbon steel, Inconel |
|
Rings |
Optional inner ring and outer centering ring |
|
Thickness |
3.2 – 4.5 mm (customizable) |
|
Temperature & Pressure |
Suitable for low to high temperatures and pressures |
|
Applications |
Flange sealing, pressure vessels, heat exchangers |
Key Advantages of Gasket
Exceptional Durability
Gaskets are highly resistant to wear and tear, making them ideal for long-term use in industrial applications. Their ability to maintain integrity under extreme conditions ensures reduced downtime and maintenance costs.
Resistance to Corrosion
Chemical processing often involves exposure to corrosive substances. Gaskets, particularly those made from corrosion-resistant alloys, provide reliable sealing even in highly aggressive chemical environments.
High-Temperature Performance
Processes in the chemical industry frequently involve extreme temperatures. Gaskets can withstand both high and low temperatures, ensuring consistent performance without degradation.
Superior Pressure Handling
Gaskets are designed to endure high-pressure environments, maintaining a secure seal even in conditions where traditional gaskets might fail. This makes them indispensable in applications like chemical reactors and pressure vessels.
Customization for Specific Needs
Gaskets can be manufactured in various shapes, sizes, and materials to meet the specific requirements of chemical processing equipment. This flexibility ensures compatibility with a wide range of systems.
Types of Gasket
Spiral Wound Gaskets
Constructed from alternating layers of metal and filler materials.
Ideal for handling high pressures and temperatures.
Ring-Type Joint (RTJ) Gaskets
Designed for flange connections in high-pressure systems.
Provide exceptional sealing in demanding applications.
Corrugated Metal Gaskets
Feature a corrugated metal core with a soft covering.
Suitable for moderate pressures and temperatures.
Kammprofile Gaskets
Combine a metal core with a flexible sealing layer.
Excellent for applications requiring high compressive strength.
Gasket Material Types
|
Material |
Max. Temp (approx.) |
Key Characteristics |
|
Carbon Steel |
400°C (750°F) |
Economical, good strength, susceptible to corrosion. |
|
304 Stainless Steel |
800°C (1470°F) |
Good corrosion resistance, good strength, widely available. |
|
316L Stainless Steel |
800°C (1470°F) |
Improved corrosion resistance (especially to pitting and crevice corrosion) due to molybdenum content, and lower carbon. |
|
Monel 400 |
540°C (1000°F) |
Excellent resistance to seawater, hydrofluoric acid, sulfuric acid, and caustics. |
|
Inconel 600 |
1000°C (1830°F) |
High-temperature strength, good oxidation resistance, good resistance to chloride stress-corrosion cracking. |
|
Inconel 625 |
1000°C (1830°F) |
Excellent strength and corrosion resistance across a wide range of temperatures, good for highly corrosive acids. |
|
Titanium |
400°C (750°F) |
Excellent resistance to oxidizing acids, chlorides, and seawater; high strength-to-weight ratio. |
|
Nickel 200 |
600°C (1100°F) |
High resistance to caustic soda, good electrical and thermal conductivity. |
|
Copper |
300°C (570°F) |
Good thermal and electrical conductivity, soft, easily deformable, excellent for low-pressure, high-vacuum. |
|
Aluminum |
200°C (400°F) |
Lightweight, good thermal conductivity, low strength. |
Applications of Gasket
Reactors and Pressure Vessels
Gaskets provide reliable sealing in high-pressure and high-temperature environments, ensuring safety and efficiency.
Heat Exchangers
Their resistance to thermal cycling makes metal gaskets ideal for sealing connections in heat exchangers.
Pipeline Flanges
Gaskets are widely used in pipelines to prevent leaks and handle corrosive or volatile chemicals.
Valves and Pumps
Their robust performance ensures leak-free operation in valves and pumps used in chemical processing.
Customization Services
We offer customized gasket manufacturing solutions to meet your needs. Key customization options include:
|
Material |
Customizable |
|
Size |
Customizable |
|
Thickness |
Customizable |
|
Inner & Outer Rings |
Customizable |
|
Surface & Finish Options |
Customizable |
|
Our customization capabilities extend beyond the options listed above. Should you have additional requirements, we are able to make flexible adjustments in accordance with your specific needs and circumstances. |
|
Packaging and Shipping
|
Packaging |
Packaging depends on the type, size, and method of transport of the pipe. |
|
Transportation methods |
Road transport, rail transport, sea transport |
FAQ
As one of the most professional gasket manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please rest assured to wholesale high-grade gasket at competitive price from our factory. Contact us for more details.
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