Spiral Wound Gaskets Style WR
Each component (Outer Ring, Winding and Filler) in a Style WR SWG can be made from a range of different materials, each with their own characteristics. Depending on the materials selected, WR Style SWG can be made to seal virtually any corrosive medium whilst operating in temperatures ranging from cryogenic through to 1093ºC.
AG offers our WR Style SWGs in a wide range of material combinations to suit the demands of a vast array of applications. Of the enormous selection available, by far the most common are Carbon Steel Outer Ring with 316 Windings and Flexible Graphite Filler or 316 Stainless Steel Outer Ring and Windings with Flexible Graphite Filler. Extensive stocks of both these constructions are carried at AG to suit ANSI flanges ranging from 15NB through to 600NB whilst larger sizes and gaskets for other specification flanges can be quickly produced upon request.
In addition to these two popular constructions, many other material options are available (see the lists below). Style WR SWGs can be supplied in a range of thicknesses (usually listed by specifying just the overall thickness of the windings), though by far the most common configuration is to have 4.5mm thick windings with a 3mm thick guide ring.
AG’s Style WR Spiral Wound Gaskets manufactured to suit standard size flanges are double colour coded (consistent with ASME B16.20) for easy identification of the winding metal and filler while the gasket is on the shelf or installed between flanges. The metal is designated by a solid colour on the entire outside edge of the centring ring. Filler materials are identified by a number of stripes placed at intervals around the outside edges of the centring ring.
For more information on AG’s comprehensive range of Spiral Wound Gaskets, including our popular Styles W (spiral wound component only, no outer ring) and WRI (as per style WR but with an inner ring for radial support) please do not hesitate to contact your local AG branch.
Metallic Winding Materials for Spiral Wound Gaskets Style WR
- 304 Stainless Steel
- 316L Stainless Steel
- 317L Stainless Steel
- 321 Stainless Steel
- 347 Stainless Steel
- Alloy 20
- Carbon Steel
- Hastelloy “B”
- Hastelloy “C”
- Phosphor Bronze
Non-Metallic Fillers for Spiral Wound Gaskets Style WR
- Flexible Graphite
For more information on available sizes, styles or to discuss our extensive customisation and fabrication options, please contact your local AG branch.