h3Gasket, Spiral Wound/h3 pNominal Size: 40 MM (1-1/2 IN)/p pThickness: 4.5 MM/p pPressure Class: ANSI Class 900/1500/p pWinding Material: SS 316/p pFiller Material: Exfoliated Expanded Graphite/p pInner Ring Material: SS 316/p pCentering Ring Material: SS 316/p pOuter Ring Material: Carbon Steel/p pFlange Design Standard: ANSI B16.5/p pDesign Standard: ANSI B16.20/p pWinding Material Standard: ASTM A240/p pInner Ring Material Standard: ASTM A240/p pCentering Ring Material STD: ASTM A240/p pInner Ring Thickness: 3.2 MM/p pService Fluid: Air, Gas, Oil, Steam, Water/p pInspection Certificate: ISO 10474-2.1/p