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Spiral wound gasket
Spiral wound gaskets are mainly used for the seal of flanges, valves, etc, Spiral wound gaskets comprise a mix of metallic and filler material. Generally, the spiral wound gasket has a metal (normally carbon steel or stainless steel) wound outwards in a circular spiral (other shapes are possible) with the filler material (generally a flexible graphite or PTFE or ceramic etc) wound in the same manner but starting from the opposing side. This results in alternating layers of filler and metal. The filler material in these spiral wound gaskets acts as the sealing element, with the metal providing structural support.

These spiral wound gaskets have proven to be reliable in most applications, and allow lower clamping forces than solid gaskets albeit with higher cost.

METAL WINDING STRIP

Stainless Steel 316L
Stainless Steel 304
Stainless Steel 309
Stainless Steel 310
Stainless Steel 316Ti
Stainless Steel 321
Stainless Steel 347
Monel 400
Nickel 200
Inconel 600
Inronel 625
Inconel X750
Incoloy 800
Incoloy 825
Hastalloy B2
Hastalloy C276
Titanium
 

FILLER MATERIALS

Treated Asbestos Fiber
Non-Asbestos Fiber
P.T.F.E
Graphite
Ceramic
Aluminum

GUIDE RING MATERIALS

Carbon Steel
Stainless Steel 304
Stainless Steel 316L
Stainless Steel 316Ti
Stainless Steel 321
Stainless Steel 347
Stainless Steel 4l0
Monel 400
Nickel 200
Inconel 600
Incoloy 800
Inroloy 825
Hastalloy B2
Hastalloy C276
Titanium
Alloy 20


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