Nickel 200 Gasket

Nickel 200 Gasket

What is Nickel 200 Gasket?

Nickel 200 is a commercially pure (99.6%) grade of the element known for its mechanical properties and corrosion resistance. These qualities and more are noticeable in the Nickel 200 gasket manufactured from it. The gasket is made of a V-shaped nickel 200 strips and filler (like PTFE or graphite) winding. It is then combined with an outer ring and an inner ring. Also, certain types like the pure ni alloy 200 spiral wound style RIR gasket can only have the sealing material and inner ring.

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Different Types Of Nickel 200 Spiral Wound Gasket

There are 4 types of nickel 200 spiral wound gasket that you can order. These are the R style, RIR style, CG style, and CGI Style.

  • The nickel alloy 200 spiral wound style R gasket has the V-shaped sealing element wounding. Metal plies are used at the start and end of the winding process.
  • The RIR Style gasket has only the sealing material and an inner ring.
  • Style CG nickel 200 gasket comes with a sealing element and an outer ring.
  • And finally, the style CGI has got both an inner ring and an outer ring.

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Design Features Of Nickel 200 Oval Ring Joint Gasket?

A Nickel 200 RTJ gasket can be classified into two types based on the cross-section design. These are oval and octagonal ring joint gaskets. Now an oval ring joint gasket has an oval cross-section and fits the round bottom ring groove flanges. Typically these are rated at over 5000 psi pressure and when made of Nickel 200 can handle heavy corrosion. These ensure face-to-face sealing of flange faces and on the application of compressive forces, the seal is tightened. 200 nickel alloy rings are available in various sizes, although the manufacturing follows the ASME B16.0 standard.

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Components of Ni 200 Outer ring?

The chemical composition of the ni 200 outer ring is what owns the credit to its features. Whether it be its corrosion resistance or ability to function in high temperatures, it is all because of its constituting elements. The majority of the alloy is formed by nickel which is over 99%. Then comes iron which is around 0.4% or less. Manganese is also present, around 0.35%. The rest is occupied by silicon, copper, and carbon in descending order of percentage. There are also traces of sulfur in the Werkstoff no 2.4066 spiral wound style CGI gasket.

Find here ASTM B564 UNS N02200 CG type spiral wound gasket advantages, 200 nickel alloy rings stockists in Abu Dhabi offer mill test reports

Some Of The Advantages Of Using Alloy 200 Spiral Wound Gasket with Inner ring

An alloy 200 spiral wound gasket with inner ring will either be a CGI or RIR Style gasket. Since the inner ring and winding material are the same, the gasket can function in temperatures of up to 760 degrees Celcius. It is also suitable for cryogenic temperatures. But its specialty is rather a in corrosion resistance. It can easily take on reducing chemicals and caustic alkaline solutions. Also, the gasket can be made by hot and cold forming in all shapes. Other advantages are impressive mechanical properties, low gas content, low vapor pressure, and so on.

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How To Order ASTM B564 UNS N02200 CG Type Spiral Wound Gasket?

Choosing the right material, and suitable style are just two things you have to specify to a manufacturer. Here are the others needed for ordering an ASTM B564 UNS N02200 CG type spiral wound gasket.

  • Choose the right-sized gasket, based on the flange dimensions.
  • Consider the pressure class that you require.
  • Get the right filler material since it too will matter in the gasket performance.
  • Choose the right outer ring material (not always necessary).
  • Also, consider the system temperature and media flowing through the system among other things.