Requirements for a gasket are:
Our Certificate
Spiral Wound Gaskets
The Spiral Wound Gaskets are composed of a metallic continuous stripe with a special shaped profile, coupled with a continuous filling stripe (Asbestos, PTFE, Grafoil, Ceramic etc) evenly wound in concentric spiral under constant stress. The Spiral Wound Gaskets are reinforced on the inner and outer diametre by winding of several electrically welded spiral metal only.
Materials:
Standard materials are type 304 Stainless steel with composite Asbestos Filler. Materials available are.
| METALS | FILLERS |
|---|---|
| Type 304 Stainless | Compressed Asbestos Jointing Strips |
| Type 316 Stainless | P. T. F. E. Sintered Strip |
| Aluminium | Asbestos paper |
| Copper | White Chrysotile Asbestos |
| Monel | Blue African Crocidolite |
| Steel, Plain | GRAFSEAL |
| Steel, Zinc Coated |
Gasket Thickness Available :
| NOMINAL | ACTUAL |
|---|---|
| 1/8" (3.2 mm) | .125" ± .005" (3.2 mm) |
| 3/16" (4.8 mm) | .175" ± .005" (4.5 mm) |
