Stainless Steel 317L Spiral Wound Gasket

stainless steel 317l spiral wound gasket

What Is Stainless Steel 317L Spiral Wound Gasket?

Spiral wound gaskets are semi-metallic gaskets used in high-temperature, high-pressure applications. Metallic windings and filler material are the two main components of a spiral wound gasket. A Stainless steel 317L spiral Wound Gasket is a sophisticated product. It is made by winding a pre-formed metal strip spirally and stuffing it around the outside of metal winding mandrels. A Werkstoff Nr. 1.4438 spiral wound Style CGI gasket is widely used in the petrochemical, marine fertilizer, and power industries. The strength and outstanding performance of these spiral-wound metallic gaskets are well-known in oil refineries and power plants too.

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Four Common Types Of 317L Spiral Wound Gaskets

  • Style R = To improve stability and compression. The inner and outer diameters are reinforced with several piles of metal without filler in a 317L stainless steel spiral wound-style R gasket.
  • Design / Type RIR = The annular space between the flange bore and the inside diameter is filled with a solid inner metal ring. The 317L SS Spiral wound-style RIR gasket is designed to stop the buildup of solids.
  • Type/Style CG = Only the external ring and spiral wound portions are present in these gaskets. This extra ring precisely centers the 317L spiral wound gasket against the flange face.
  • CGI, type/style = Both an internal and an external metallic ring are present in these gaskets. These are appropriate for use with a flat face and raised face flanges of SS 317L spiral wound gasket inner and outer ring.

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What Do I Need To Know When Ordering A SS317L Metal Graphite Spiral Wound Gasket?

There are many different gasket styles and material types available, giving customers a variety of choices for the best sealing solution.

The different parameters we need to know before ordering an SS317 L Metal graphite spiral wound gasket are

  • Style
  • Size
  • Pressure Class -The gasket’s material must be able to withstand the pressure range of the fluid or gas it is intended to handle.
  • Winding Material
  • Filler Material
  • Outer Ring Material (if applicable)
  • Inner Ring Material (if applicable)
  • Are MTRs required

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Manufacturing Technique of Stainless Steel 317L Outer Ring

Cutting, forming, winding, and spot welding are the four steps in the production of strip winding. Additional fabrication and assembly procedures are required for the Stainless steel 317l outer ring that includes reinforcing rings. A minimum of three welds must be present along the circumference of the outer windings. The thickness of the metal strip in the winding must range from 0.15 mm (0.006 in.) to 0.23 mm (0.009 in.). The manufacturer will choose the filler material’s thickness. The inner ring thickness must range from 2.97 to 3.33 millimeters (0.117 in. to 0.131 in.). The inner ring’s inside diameter may protrude into the flange bore no more than 1.5mm (0.06 in).

Trustworthy stockists of werkstoff nr. 1.4438 spiral wound style cgi gasket in gcc countries and buy 317l stainless steel spiral wound style r gasket with third inspection & mill test reports

Characteristic of SS 317L Inner Ring

One of the most crucial components of a spiral wound gasket is the inner ring because it prevents the windings from buckling inside the pipe. Parts of a gasket that buckle are drawn into the pipe and eventually flow through the piping system to become caught or wrapped in something. SS 317L Inner rings help to avoid the issue by preventing this phenomenon.

  • It increases blowout and compression stop resistance
  • Prevents process fluid buildup
  • Reduces erosion, protects the gasket from buckling and promotes tightness.
Find complete information about 317l ss spiral wound style rir gasket characteristic, temperature & color

Temperature & Color of UNS S31703 Spiral Wound Style CG Gasket

Gaskets are color-coded to make choosing and identifying them faster and easier. Both the winding and filler materials can be distinguished by their colors on the outside edge of the centering ring. A solid color is used to identify the metallic winding material. Equally spaced color stripes on the outside edge of the centering ring identify the filler materials. For metal and filler materials listed in ASME B16.20, the UNS S31703 spiral wound-style CG gasket complies with the industry standard.