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Asian Sealing Products manufactures spiral wound gaskets that can perform in the most demanding sealing conditions. Engineered with strong stainless steel windings and high-performance fillers like graphite, PTFE, or ceramic fiber, these gaskets provide a secure seal against high pressures, high temperatures, and corrosive environments. Available in ASME B16.5/B16.47 standard and fully customized designs, every spiral wound gasket is manufactured to a high standard of tolerance and quality inspection. With options such as inner rings, centering rings, and alloy upgrades, such as Inconel or Monel, we ensure every gasket is designed to meet the unique requirements of your application. Get in touch with our team or access technical documentation for the right sealing solution for your operations.
Globally known by refineries, petrochemical plants, marine facilities, and power generation units, our spiral wound gaskets are trusted for their proven durability and steady sealing performance. The precision fittings are manufactured according to the world standard specifications ASME B16.20, ASME B16.5, ASME B16.47 Series A & B, API 605, MSS SP44, EN1514-2, BS 3381, JIS B2404, BS 4865-2, DIN 2632 to offer dimensional accuracy, safe operation, and a long service life. Where airtight sealing is required, Asian Sealing Products puts leak-proof reliability in place that minimizes downtime and maximizes efficiency.
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Industry standards
ASME B16.20, DIN, BS, EN, JIS
Usage of industries
Oil and Gas
Chemical Industry
Power Generation
Mining
Marine
Spiral Wound Gasket
Asian Sealing Products manufactures spiral wound gaskets that can perform in the most demanding sealing conditions. Engineered with strong stainless steel windings and high-performance fillers like graphite, PTFE, or ceramic fiber, these gaskets provide a secure seal against high pressures, high temperatures, and corrosive environments. Available in ASME B16.5/B16.47 standard and fully customized designs, every spiral wound gasket is manufactured to a high standard of tolerance and quality inspection. With options such as inner rings, centering rings, and alloy upgrades, such as Inconel or Monel, we ensure every gasket is designed to meet the unique requirements of your application. Get in touch with our team or access technical documentation for the right sealing solution for your operations.
Globally known by refineries, petrochemical plants, marine facilities, and power generation units, our spiral wound gaskets are trusted for their proven durability and steady sealing performance. The precision fittings are manufactured according to the world standard specifications ASME B16.20, ASME B16.5, ASME B16.47 Series A & B, API 605, MSS SP44, EN1514-2, BS 3381, JIS B2404, BS 4865-2, DIN 2632 to offer dimensional accuracy, safe operation, and a long service life. Where airtight sealing is required, Asian Sealing Products puts leak-proof reliability in place that minimizes downtime and maximizes efficiency.
.
Industry standards
ASME B16.20, DIN, BS, EN, JIS
Usage of industries
Oil and Gas
Chemical Industry
Power Generation
Mining
Marine
Request A Quote
By submitting this form, you agree to the privacy policy and terms of use.
Spiral Wound Gasket (SWG) Types
Asian Sealing Products produces a variety of gasket types, including spiral wound gaskets, which are a prominent gasket designed to suit the precise requirements of the various operating conditions. Our products are applicable to high-pressure steam lines with corrosive chemical lines, in that we have a variety of products that offer different combinations of pressure, temperature, strength, and compatibility with the media. Through the choice of the correct construction and filler material, all the spiral wound gaskets are streamlined to provide long-term sealing integrity, which minimizes downtime and enhances the reliability of the systems in industries.
Asian Sealing Products produces a variety of gasket types, including spiral wound gaskets, which are a prominent gasket designed to suit the precise requirements of the various operating conditions. Our products are applicable to high-pressure steam lines with corrosive chemical lines, in that we have a variety of products that offer different combinations of pressure, temperature, strength, and compatibility with the media. Through the choice of the correct construction and filler material, all the spiral wound gaskets are streamlined to provide long-term sealing integrity, which minimizes downtime and enhances the reliability of the systems in industries.
Type CGI
Type CG
Type GI
Type G
Your Trusted Partner for Reliable Sealing Solutions
Exceptional Performance in Extreme Conditions
Spiral Wound Gaskets are designed to endure temperatures up to 1000°C (1832°F) and pressures reaching 2500 psi.
Superior Durability and Reliability
Engineered for durability, our high-pressure spiral wound gaskets provide a dependable and leak-proof seal against extreme forces, ensuring the integrity of your systems.
Leak-Proof Sealing
Our robust flange gaskets are also designed to offer a flexible yet secure fit, making them a cornerstone of reliable sealing solutions across various sectors.
Flexible and Adaptive Fit
With a flexible structure, spiral wound gaskets can adjust to pressure changes, preventing leaks. Making them ideal for imperfect flanges or those impacted by thermal expansion and vibration.
Excellent Chemical Resistance
With fillers such as graphite, PTFE, or ceramic fiber, Spiral Wound Gaskets offer high resistance to chemicals, acids, and alkalis
Spiral Wound Gasket Applications
Spiral wound gaskets are a proven sealing option in all situations that require the pipelines, reactors, or pressure vessels to perform well under extreme conditions. Their metal endurance and soft filler flexibility enable them to ensure a safe seal regardless of a temperature change, vibration, or pressure spikes. Due to this, they are extensively specified in the following industries:
Spiral wound gaskets have established sealing performance wherever leak prevention and operational safety are crucial factors.Here are some of the key applications:
Spiral wound gaskets are a proven sealing option in all situations that require the pipelines, reactors, or pressure vessels to perform well under extreme conditions. Their metal endurance and soft filler flexibility enable them to ensure a safe seal regardless of a temperature change, vibration, or pressure spikes. Due to this, they are extensively specified in the following industries:
Spiral wound gaskets have established sealing performance wherever leak prevention and operational safety are crucial factors.Here are some of the key applications:
Oil and Gas
- Pipeline connections
- Flange joints in oil refineries
Petrochemical
- Pharmaceutical manufacturing equipment
- Sealing joints in cleanroom environments
Chemical Processing
- Sealing joints in chemical reactors
- Flange connections in chemical plants
Pharmaceutical
- Pharmaceutical manufacturing equipment
- Sealing joints in cleanroom environments
Nuclear Power Generation
- Boiler systems
- Flange joints in oil refineries
Water Treatment
- Used in desalination plants, wastewater treatment
- providing effective sealing under varying pressure and temperature conditions.
Spiral Wound Gasket Materials
All of our spiral wound gasket inventions are founded on a single principle: The right materials make the right seal. This is why we only use high-quality and tested metals and fillers to suit the needs of different industries that are operating. In the case of windings, we apply such durable materials as 316L stainless steel, Inconel, or Monel. In the case of fillers, we will offer graphite at high temperature, PTFE at chemical resistance, and ceramic fiber at extreme use. This flexibility allows our gaskets to be modified to work in conditions like oil refineries to pharmaceutical cleanrooms, and this is what ensures consistent performance over the long run and leak-free operation. With the combination of right winding and filler, we have guaranteed each gasket will provide integrity over time, less leakage, and the ability to fit in your process environment.
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Ring gaskets are manufactured using various materials based on the application’s requirements. The material selection depends on factors such as the type of fluids being sealed, operating conditions (including temperature and pressure), and the overall environment. Here are some common materials used for manufacturing ring gaskets:
Filler Materials
Graphite, PTFE (Polytetrafluoroethylene),Non-Asbestos, Ceramic Fiber, Vermiculite
Winding Materials
316L stainless steel, 304 stainless steel, Monel, Inconel, and others .
Inner and outer ring
Carbon steel, stainless steel, Inconel and Monel
Product Details
What Are Spiral Wound Gaskets?
A Spiral Wound Gasket (SWG) are high-performance sealing components widely used in industrial piping and equipment where reliable sealing is critical, especially in high-pressure, high-temperature, and corrosive environments.
They are constructed by winding alternating layers of a metal strip (commonly stainless steel) and a soft filler material (such as graphite, PTFE, or mica) into a spiral shape. This unique structure allows the gasket to combine the strength of metal with the resilience and sealing ability of soft materials, making it ideal for flanged joints.
Type CGI (Gasket with Centering Ring & Inner Ring)
Includes both centering and inner rings for maximum support and alignment. Ideal for high-pressure, high-temperature applications.
- Solid metallic inner & outer ring
- Suitable for high-pressure and temperature applications
- Standard spiral wound gasket for raised face applications
- Effectively reduces fluid turbulence and flange erosion, protecting the sealing surface.
- Minimizes gasket damage by shielding the bore and inner windings from wear and tear.
- Wide choice of materials for filler and metal strip
- Versatile sealing solution for both standard operations and highly critical industrial environments.
Type CG (Gasket with Centering Ring)
Features a centering ring for proper alignment. Suitable for medium pressure and temperature in HVAC, automotive, and general industries.
- Solid metallic outer ring used as a centering device and compression stop
- Used mainly on raised-face and flat-face flanges
- Wide choice of materials for filler and metal strip
- Type CG gasket has a centering ring for alignment and prevents shifting.
- Suitable for medium pressures and temperatures in automotive, HVAC, and plumbing.
Type GI (Gasket with Inner Ring)
The gasket is made solely of the V-shaped metal winding and a non-metallic filler material (such as graphite or PTFE).
- Consists only of the spiral wound sealing element (no inner or outer rings)
- Relies on the compression of the spiral windings to fill flange face irregularities.
- Used exclusively with flanges that provide their own centering mechanism.
- Ideal for tongue and groove or male-to-female flanges in vessels, valves, and pumps.
- Not suitable for raised-face or flat-face flanges due to the lack of a centering or compression stop ring.
Spiral Wound Gasket Materials Extension
Filler Materials:
- Graphite: Excellent thermal stability and chemical resistance, ideal for high-temperature and corrosive environments.
- PTFE (Polytetrafluoroethylene): Offers outstanding chemical inertness and low friction, perfect for aggressive chemical applications.
- Non-Asbestos: A safe alternative to asbestos fillers, providing good sealing properties and heat resistance.
- Ceramic Fiber: Suitable for extremely high temperatures and thermal shock resistance.
Winding Materials:
- 316L Stainless Steel: Provides superior corrosion resistance and strength for demanding conditions.
- 304 Stainless Steel: Offers good corrosion resistance and is widely used across many industries.
- Monel: Known for excellent resistance to seawater and acidic environments.
- Inconel: Ideal for extreme temperature and highly corrosive environments.
- Other Alloys: Available upon request to meet specialized application needs.
Inner and Outer Ring Materials:
- Carbon Steel: Commonly used for structural support and cost-effective solutions.
- Stainless Steel: Provides enhanced corrosion resistance and durability.
- Inconel and Monel: Used for high-performance applications requiring superior corrosion and heat resistance.
Spiral Wound Gasket Standards and Specifications We Comply With
At Asian Sealing Products, we’re committed to delivering Spiral Wound Gaskets that not only meet industry expectations, but consistently exceed them. Our gaskets are designed and manufactured in compliance with leading international standards to ensure reliability, safety, and compatibility across a wide range of industrial applications.
Below are the major standards our Spiral Wound Gaskets conform to:
ASME Standards
- ASME B16.5
Covers pipe flanges and flanged fittings from NPS ½ to 24. Our gaskets are fully compatible with these flanges across multiple pressure and temperature classes. - ASME B16.47 Series A (MSS SP-44)
Suitable for larger flanges (NPS 26–60) used in high-pressure systems. Heavier, robust designs. - ASME B16.47 Series B (API 605)
Designed for large-diameter flanges used in lower-pressure systems. Lighter than Series A. - ASME B16.20
This is the core specification for metallic gaskets, including Spiral Wound Gaskets. We follow it strictly for dimensions, material requirements, and performance.
British Standards (BS)
- BS 1569, BS 3274, BS 3381, BS 4504
Cover pipe flange dimensions and spiral wound gasket specifications. Our gaskets are fully compatible with these standards.
European Standards (EN)
- BS EN 1092
Specifies requirements for steel, cast iron, and copper alloy flanges. We provide gaskets for all PN-rated flanges. - BS EN 1759
Focuses on class-designated flanges used in industrial piping systems. Gaskets are available for all class ratings.
API Standards
- API 601
Covers metallic gaskets used in refinery services. Our gaskets meet all material and performance criteria for high-demand refinery environments. - API 605
Related to ASME B16.47 Series B, this standard deals with large-diameter carbon steel flanges.
DIN Standards (Germany)
We manufacture gaskets compatible with a wide range of DIN flange standards. Please specify the exact DIN number for precise matching.
JIS Standards (Japan)
Gaskets are available to suit Japanese Industrial Standards. Custom manufacturing is available based on specified JIS types.
Indian Standards (IS)
- IS 7719 – General requirements for metallic gaskets.
- IS 10864 – Specific to Spiral Wound Gaskets.
Our gaskets comply with both quality and performance.
AWWA Standards
We offer gaskets suitable for water and wastewater flanges manufactured under AWWA standards. Please share the specific standard for compatibility.
Other Recognized Standards
- MSS SP-44 – Covers steel pipe flanges; ties in with ASME B16.47 Series A.
- BS 10 – Older British standard, still used in some legacy systems.
- Taylor Forge Dimensions – We provide gaskets matching Taylor Forge flange specs.
- TEMA Code – Gaskets suitable for heat exchangers designed to TEMA standards.
We can also manufacture spiral wound gaskets in non-standard or proprietary dimensions based on your project needs. Just provide the flange details or design specs, and we’ll take care of the rest.
Customization Options for Spiral Wound Gaskets
Every industrial application is different, and as such, we offer a wide range of customization options to meet the specific needs of our clients. These include:
- Material Selection: Choose from a wide range of metals (stainless steel, carbon steel, Monel, Inconel, etc.) and filler materials (graphite, PTFE, mica, ceramic, etc.) to suit the specific chemical, thermal, and pressure requirements of your application.
- Size and Thickness: Spiral Wound Gaskets are available in a variety of sizes and thicknesses, tailored to fit different flange dimensions and pressure ratings.
- Inner and Outer Diameters: Customizable diameters allow the gasket to fit perfectly within your system’s flange setup.
Special Designs: We can provide Spiral Wound Gaskets with additional design features, such as reinforcement rings, for specific high-pressure applications.
Why Choose Asian Sealing Products for Your Spiral Wound Gasket Needs?
- Maximize your system’s efficiency and minimize downtime with Asian Sealing Products’ custom spiral wound gaskets. We specialize in engineered sealing solutions, tailoring each gasket to your unique application requirements. As a leading gasket manufacturer, we employ state-of-the-art processes and rigorous testing to ensure unmatched quality and performance, even under the most challenging operational conditions.
- Our commitment to excellence begins with high-quality materials. We utilize durable metals like stainless steel, carbon steel, and alloy steels, combined with premium fillers such as graphite, PTFE, and ceramic fiber. This selection guarantees optimal performance, superior reliability, and extended longevity.
- Understanding the critical nature of timely delivery, we prioritize on-time shipping to keep your projects on schedule and operations running smoothly. We also offer global shipping and comprehensive customer support, ensuring your order arrives in perfect condition, no matter your location.
- Choose Asian Sealing Products for high-pressure spiral wound gaskets and high-temperature spiral wound gaskets that deliver consistent, reliable sealing. Experience the difference of custom-engineered solutions designed to meet your precise needs and exceed your expectations. Contact us today for a consultation and discover how our industrial gaskets can enhance your operations.
Specifications
SPIRAL WOUND GASKETS – Winding Materials : Temperature & Hardness Reference Chart
| Sl.No | Winding Material | Marking Code | Temperature Range | Hardness Range | Color Code |
|---|---|---|---|---|---|
| 1 | Carbon Steel | CS | (- 30°C to + 400 °C) | 120 BHN Max | Silver |
| 2 | SS 304 | 304 | 540°C Max | 160 BHN Max | Yellow |
| 3 | SS 304L | 304L | 540°C Max | 160 BHN Max | Yellow |
| 4 | SS 304H | 304H | Customer Requirement | Customer Requirement | No Colour |
| 5 | SS 309 | 309 | 540°C Max | 160 BHN Max | No Colour |
| 6 | SS 310 | 310 | 540°C Max | 160 BHN Max | No Colour |
| 7 | SS 316 | 316 | 800°C Max | 160 BHN Max | Green |
| 8 | SS 316L | 316L | 800°C Max | 160 BHN Max | Green |
| 9 | SS 316Ti | 316Ti | Customer Requirement | Customer Requirement | No Colour |
| 10 | SS 317L | 317L | 800°C Max | 160 BHN Max | Maroon |
| 11 | SS 321 | 321 | 850°C Max | 160 BHN Max | Turquoise |
| 12 | SS 321H | 321H | Customer Requirement | Customer Requirement | No Colour |
| 13 | SS 347 | 347 | 850°C Max | 160 BHN Max | Blue |
| 14 | SS 347H | 347H | Customer Requirement | Customer Requirement | No Colour |
| 15 | SS 410 | 410 | Customer Requirement | Customer Requirement | No Colour |
| 16 | SS 430 | 430 | 440°C Max | 190 BHN Max | No Colour |
| 17 | SS 904L | 904L | Customer Requirement | Customer Requirement | No Colour |
| 18 | UNS N08367 | AL-6XN | Customer Requirement | Customer Requirement | No Colour |
| 19 | UNS S31254 | SMO 254 | Customer Requirement | Customer Requirement | No Colour |
| 20 | Duplex 32205 | 2205 | Customer Requirement | Customer Requirement | No Colour |
| 21 | Duplex 31803 | 31803 | Customer Requirement | Customer Requirement | No Colour |
| 22 | Duplex 32750 | 2507 | Customer Requirement | Customer Requirement | No Colour |
| 23 | UNS S17700 | 17-7 PH | Customer Requirement | Customer Requirement | No Colour |
| 24 | Monel 400 | MON | 650°C Max | 150 BHN Max | Orange |
| 25 | Nickel 200 | NI | 550°C Max | 160 BHN Max | Red |
| 26 | Titanium Grade 2 | TI 2 | 950°C Max | 160 BHN Max | Purple |
| 27 | Titanium Grade 7 | TI 7 | Customer Requirement | Customer Requirement | Purple |
| 28 | Alloy 20 or Carpenter 20Cb3 | A-20 | Customer Requirement | Customer Requirement | Black |
| 29 | Hastelloy Grade B | HAST B | 950°C Max | 200 BHN Max | Brown |
| 30 | Hastelloy Grade B-2 | HAST B-2 | Customer Requirement | Customer Requirement | Brown |
| 31 | Hastelloy Grade B-3 | HAST B-3 | Customer Requirement | Customer Requirement | Brown |
| 32 | Hastelloy Grade C-276 | HAST C276 | 950°C Max | 200 BHN Max | Beige |
| 33 | Hastelloy Grade C-22 | HAST C22 | Customer Requirement | Customer Requirement | Beige |
| 34 | Hastelloy Grade C-2000 | HAST C2000 | Customer Requirement | Customer Requirement | Beige |
| 35 | Hastelloy Grade X | HAST X | Customer Requirement | Customer Requirement | No Colour |
| 36 | Inconel Grade 600 | INC 600 | 1000°C Max | 200 BHN Max | Gold |
| 37 | Inconel Grade 625 | INC 625 | 1000°C Max | 240 BHN Max | Gold |
| 38 | Inconel Grade X-750 | INX | 950°C Max | 240 BHN Max | No Colour |
| 39 | Inconel Grade 718 | INC 718 | Customer Requirement | Customer Requirement | No Colour |
| 40 | Incoloy Grade 800 | IN 800 | 1000°C Max | 200 BHN Max | White |
| 41 | Incoloy Grade 800H | IN 800H | Customer Requirement | Customer Requirement | White |
| 42 | Incoloy Grade 825 | IN 825 | 1000°C Max | 190 BHN Max | White |
| 43 | Copper | Copper | Customer Requirement | Customer Requirement | No Colour |
| 44 | Copper | Copper | Customer Requirement | Customer Requirement | No Colour |
| 45 | Zirconium | ZIRC | Customer Requirement | Customer Requirement | No Colour |
| Note : The above colour code is identifying the spiral wound gasket for winding material, a continuous colour around the outer edge of centering outer ring. | |||||
SPIRAL WOUND GASKETS – Filler Materials : Temperature & Pressure Reference Chart
| Sl.No | Filler Material | Marking Code | Temperature Range | Working Pressure | Color Code |
|---|---|---|---|---|---|
| 1 | Graphite | FG | (- 200°C to + 450 °C ) | 250 bar Max | Grey Stripe |
| 2 | Polytetra Fluoro Ethylene (PTFE) | PTFE | ( – 150°C to + 240 °C ) | 100 bar Max | White Stripe |
| 3 | Mica | Mica | ( – 100°C to + 800 °C) | 100 bar Max | Light Blue Stripe |
| Note : The above colour code is identifying the spiral wound gasket for filler material, for below NPS 1-1/2″ shall have two stripes at 180° apart and for NPS 1-1/2″ & above size shall have four stripes at 90° apart. | |||||
SPIRAL WOUND GASKETS – TYPES AVAILABLE
| Type | Product Description | Applications |
|---|---|---|
| CGI | Spiral Wound Metallic Gasket with inner and outer rings, where the rings are made from the materials like carbon steel, stainless steel and other alloy metals. | General-purpose sealing in diverse applications. |
| CG | Spiral Wound Metallic Gasket with centering outer ring. | This gasket type is well-suited for flange connections in diverse industries. |
| GI | Spiral Wound Metallic Gasket with inner rings, typically as same as winding material. | Ideal for applications requiring enhanced internal support and stability. |
| G | Spiral Wound Metallic Gasket without a centering outer ring & inner ring. | Suitable for flanges with well-aligned bolt holes, where a centering outer ring & inner ring is unnecessary. |
SPIRAL WOUND GASKETS – Nominal Gasket Thickness & Compression Thickness Reference
| Sl.No | Nominal Thickness | Compressed Thickness |
|---|---|---|
| 1 | 3.20 mm (0.126 in) | 2.40 mm – 2.60 mm (0.095 – 0.105) in |
| 2 | 4.45 mm (0.175 in) | 3.17 mm – 3.43 mm (0.124 – 0.135) in |
| 3 | 6.35 mm (0.250 in) | 4.60 mm – 4.80 mm (0.180 – 0.190) in |
| Note : This compressed thickness after applying of compression load as per ASME B16.20 | ||
| Edn 2017, for gasket thickness 4.45 mm the require compression thickness is min 3.43 mm | ||
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Answers to all your possible questions.
What is the temperature resistance of Asian Sealing's spiral wound gaskets, and how does it make them suitable for high-temperature applications?
Our spiral wound gaskets can handle temperatures up to +1000°C, ensuring stability in high-temperature applications. This feature makes them ideal for industries with extreme temperature conditions.
Why use a Spiral Gasket?
Spiral wound gaskets have established themselves as the most dependable sealing components suitable for challenging, vital, and demanding applications. Spiral wound gaskets offer excellent sealing performance, compatibility with various media, resilience to high temperatures and pressures, and the ability to compensate for flange irregularities, making them a reliable choice for demanding sealing applications.
What are the key industries that commonly use spiral wound gaskets, and how do these gaskets perform in demanding conditions?
Spiral wound gaskets find applications in industries such as Oil and Gas, Chemical Processing, Power Generation, Petrochemical, Water and Wastewater Treatment, Marine and Shipbuilding, Food and Beverage Processing, Aerospace, HVAC Systems, Mining, and Minerals Processing. Their versatile sealing capabilities and resilience make them reliable in demanding conditions.
How does the color coding system for Asian Sealing's spiral wound gaskets work, and what information does it convey about the gasket's composition?
Our gaskets undergo color coding for easy selection and identification. The color on the outer edge of the centering ring indicates both the winding and filler materials. Solid colors represent metallic winding material, while colored stripes designate filler materials. This system aligns with industry standards outlined in ASME B16.20.
What is the current market size of the spiral wound gasket industry?
The global gaskets and seals market was estimated to be USD 56.93 billion in 2021 and projected to grow at a CAGR of 4.1% over the forecast period . As per the PitchBook News and analysis ,the specific market size for spiral wound gaskets may require a more detailed analysis from industry reports, which could be obtained by referring to the sources mentioned in the search results.
Why is the thickness of a spiral wound gasket a critical parameter, and how does it influence the gasket's sealing performance?
The thickness of a spiral wound gasket directly influences its sealing performance and suitability for specific applications. Understanding and specifying the appropriate thickness is crucial to ensuring an effective seal in diverse industrial settings.
What information should be provided when ordering spiral wound gaskets to ensure the correct product for a specific application?
When placing an order, it’s essential to specify the gasket style (CGI, CG, etc.), nominal pipe size (NPS), pressure rating, applicable gasket standard (ANSI, ASME, etc.), preferred winding materials, outer ring material, and inner ring material. This ensures the selected gasket aligns with the application’s requirements and operating conditions.
What is a Vermiculite Spiral Wound Gasket?
Vermiculite spiral wound gasket is a critical service gasket designed for use in applications involving high temperatures and aggressive chemical media. And this style gasket is comprised of a spirally wound sealing element composed of a metal winding strip tape in combination with a vermiculite based filler material.
Service and Application of Vermiculite Spiral Wound Gasket?
Vermiculite spiral wound gaskets are suitable for use in a wide range of sealing applications. They are capable of effecting a high integrity seal in the most demanding environments and are particularly suited to applications involving extremes of thermal or mechanical cycling. Typical applications include superheated steam, strong oxidising media and elevated temperature service. (1) Maximum recommended temperature : 980 °C (18000F).(2) Maximum recommended pressure : ASME B16.5 2500 lb
When should I choose CGI over CG?
You should choose a Style CGI over a Style CG gasket primarily for high-pressure, high-temperature, or corrosive service conditions. The CGI's inner ring prevents the gasket windings from buckling inward under high pressure and protects the sealing element from erosive or corrosive media. This provides enhanced blowout resistance, making it the preferred choice for critical and demanding applications.
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