Spiral Wound Gaskets
Since 1974 HMS has been furnishing spiral wound gaskets to all industries. Spiral wound gaskets are color coded on the outside edge of the centering ring. The metal is identified by a solid color and the filler materials are designated by stripes on the outside edge of the centering ring. Industry standard colors are below.
Spiral Wound Gasket Metallic Windings and Non-Metallic Fillers
| Metal | O.D. Ring Color | ||
| 304 Stainless Steel | Yellow |
|
|
| 316L Stainless Steel | Green |
|
|
| 317L Stainless Steel | Maroon |
|
|
| 321 Stainless Steel | Turquoise |
|
|
| 347 Stainless Steel | Blue |
|
|
| MONEL® | Orange |
|
|
| Nickel | Red |
|
|
| Titanium | Purple |
|
|
| Alloy 20 | Black |
|
|
| INCONEL® 600 | Gold |
|
|
| HASTELLOY® B | Brown |
|
|
| HASTELLOY® C | Beige |
|
|
| INCOLOY® 800 | White |
|
|
| Material | Stripe Color | ||
| Flexible Graphite | Gray |
|
|
| PTFE | White |
|
|
| Ceramic | Lt. Green |
|
|
| (Verdicarb Mica Graphite) | Pink |
|
HASTELLOY® is a registered trademark of Haynes International. INCOLOY® and INCONEL® are registered trademarks of Inco Alloys International, Inc. MONEL® is a registered trademark of International Nickel.
Some of the most common styles are as follows.
Style H
Windings only (no inner or outer rings)
Style HI
Winding, with inner ring (no outer)
Style HS
Winding, with outer ring (no inner)
Style HSI
Winding, with inner and outer metal ring
Style HM
For manhole cover assemblies (all shapes available)
| Winding Materials | Filler Materials | Guide Ring Materials |
| Hastalloy B2
Hastalloy C276 Incoloy 800 Incoloy 825 Inconel 600 Inconel X750 Inronel 624 Monel 400 Nickel 200 Stainless Steel 304 Stainless Steel 309 Stainless Steel 310 Stainless Steel 316L Stainless Steel 316Ti Stainless Steel 321 Stainless Steel 347 Titanium |
Aluminium
Ceramic Graphite Non-Asbestos Fiber P.T.F.E. Treated Asbestos Fiber |
Alloy 20
Carbon Steel Hastalloy B2 Hastalooy C276 Incoloy 800 Inconel 600 Inroloy 825 Monel 400 Nickel 200 Stainless Steel 304 Stainless Steel 316L Stainless Steel 316Ti Stainless Steel 321 Stainless Steel 347 Stainless Steel 410 Titanium |
HMS can supply both standard and non-standard pipe sizes. Call for a quote today!
