Definition:
Spiral wound gasket are manufactured from a v-shaped metal strip,spirally wound with an inlay of filler. Spiral wound gaskets are available in both standard and no-standard designs.
Application:
Widely applied in static sealing parts of technological pipelines, and the equipments of many industries, such as petroleum refining, petroleum chemistry, chemistry, thermal electricity, nuclear energy, spaceflight, spinning, medicine and other industries

Main Styles:
W202J Spiral Winding Only(Basic type wound gasket)
W202N Spiral Winding with Inner Ring
W202W Spiral Winding with Outer Guide(with outer ring)
W202L With Outer Guide and Inner Ring

SIZES:
Nominal thickness Compressed thickness Minimun diameter Maxmum diameter
2.5mm 1.9/2.1mm 10mm 300mm
3.2mm 2.4/2.6mm 1.0mm 760mm
4.5mm 3.4/3.45mm 10mm 1520mm

Metal winding strip : stainless steel 316L, stainless steel 304
Filler materials: Treated asbestos Fiber, No-asbestos Fiber, P.T.F.E. Graphite
Guide ring materials: Carbon steel, stainless steel 304, stainless steel 304