| Customization: | Available |
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| Material: | Stainless Steel Inner and Outer Ring |
| Application: | Flanges |
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ASME B16.20 304SS/316SS/CS Spiral Wound Gasket Made
ASME B16.20 Stainless Steel spiral wound gasket is a type of gasket that is commonly used in high-pressure and high-temperature applications. It is designed to create a tight seal between two surfaces, such as those found in flanged pipe connections, valves, and pumps. Spiral wound gaskets are made of a combination of metal and filler material, and come in a variety of materials including 304ss, 316ss, and CS.
304ss is a type of stainless steel that is often used in applications where corrosion resistance is important. It contains chromium, which helps to prevent rust and corrosion, and is also resistant to high temperatures. This makes it an ideal choice for spiral wound gaskets used in applications where the gasket may be exposed to corrosive substances or high temperatures.
316ss is another type of stainless steel that is commonly used in spiral wound gaskets. It is similar to 304ss, but also contains molybdenum, which further enhances its corrosion resistance. This makes it an ideal choice for use in applications where the gasket may come into contact with harsh chemicals or other corrosive substances.
CS, or carbon steel, is another material commonly used in spiral wound gaskets. It is a strong and durable material that can withstand high pressure and temperature, making it an ideal choice for use in a wide range of industrial applications.
The filler material used in spiral wound gaskets is also important, as it can help to provide a tight seal between the two surfaces. Common filler materials include graphite, PTFE, and ceramic. Graphite is often used in high-temperature applications, while PTFE is commonly used in applications where chemical resistance is important. Ceramic is often used in applications where high pressure and temperature are present.
Overall, spiral wound gaskets made of 304ss, 316ss, and CS are reliable and effective solutions for creating a tight seal in high-pressure and high-temperature applications. The choice of material and filler material will depend on the specific requirements of the application, and it is important to choose the right combination to ensure the best possible performance.
Basic Type
Basic construction type, inner and outer diameters are reinforced with several piles of metal without filler to give greater stability and better compression characteristics. - Suitable for tongue and groove, male and female or grooved to flat face flange assemblies.
Inner Ring Type
Solid inner metal ring acts as a compression stopper. To prevent accumulation of solids, reduce turbulent flow of process fluids and minimize erosion, damages of gasket between flange bore and the inside diameter, the annular space is filled up by solid inner metal ring. - Suitable for male and female pipe flanges.
Outer Ring TypeSolid outer ring accurately locates the gasket on the flange face to give the additional radial strength to prevent the gasket blowout and acts as a compression limiter. In case of installing the outer ring, it is very easy to install the gasket to flange face because the end of outer ring will touch at bolts - Suitable for use with flat face and raised face flanges. For class 900 and above an internal ring is recommended.
Inner & Outer Rings TypeA inner ring and outer ring type gasket will give an additional compression limiting stopper for gasket inner and outer side. It will prevent the corrosions on flange face at annular space. - Suitable for use with flat face and raised face flanges and specified for high pressure / temperature service - Class 900 and above or where corrosive or toxic media are present.
Typical Applications
Pipe, valve, pump, thermal exchange, condensing tower, plain hole and man hole of flange, etc. Petrochemical, chemical, mechanical manufacturer, power station, metallurgy, shipbuilding, medical and pharmaceutical unclear power station and navigation, etc.
Spiral Wound gaskets, ASME B16.20 Metal Gasket,Marking
| Ring & Strip Materials | ||||||
| Minimum | Maximum | GuideRing Color Code | ||||
| Material | F | C | F | C | Abberviation | |
| SS 304 | -320 | -195 | 1400 | 760 | 304 | Yellow |
| SS 316L | -150 | -100 | 1400 | 760 | 316L | Green |
| SS 347L | -150 | -100 | 1400 | 760 | 317L | Maroon |
| SS 321 | -320 | -195 | 1400 | 760 | 321 | Turquoise |
| SS347 | -320 | -195 | 1700 | 925 | 347 | Blue |
| Carbon Steel | -40 | -40 | 1000 | 540 | CRS | Silver |
| Alloy 20 | -300 | -185 | 1400 | 760 | A-20 | Black |
| Hastelloy B3 | -300 | -185 | 2000 | 1090 | HASTB | Brown |
| Hastelloy C276 | -300 | -185 | 2000 | 1090 | HASTC | Belge |
| Incoloy 800 | -150 | -100 | 1600 | 870 | IN 800 | White |
| Incoloy 825 | -150 | -100 | 1600 | 870 | IN 825 | White |
| Inconel 600 | -150 | -100 | 2000 | 1090 | INC 600 | Gold |
| Inconel 625 | -150 | -100 | 2000 | 1090 | INCO 625 | Gold |
| Inconel X750 | -150 | -100 | 2000 | 1090 | INX | No Color |
| Monel 400 | -200 | -130 | 1500 | 820 | MON | Orange |
| Nickel 200 | -320 | -195 | 1400 | 760 | NI | Red |
| Titanium | -320 | -195 | 2000 | 1090 | TI | Puple |
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