h3Gasket, Spiral Wound/h3 pNominal Size: 15 MM (1/2 IN)/p pInside Diameter: 20 MM/p pOutside Diameter: 47 MM/p pThickness: 4.5 MM/p pPressure Class: ANSI Class 300/600/p pWinding Material: SS 316/p pFiller Material: Exfoliated Expanded Graphite/p pInner Ring Material: SS 316/p pCentering Ring Material: Carbon Steel/p pFlange Design Standard: ANS B16.5, BS 1560/p pDesign Standard: ANSI B16.20, BS 3381/p pWinding Material Standard: ASTM A240/p pInner Ring Material Standard: ASTM A240/p pCentering Ring Material STD: ASTM A285 Grade C/p pInner Ring Thickness: 3.2 MM/p pAdditional Specn Doc No: Spec 85/103/p pBasic Data: Flange : Raised Face/p