GASKET,SPW,1",300/600,316,EEGRAPT,4.5MM DESIGN STANDARD : ANSI B16.20 NOMINAL SIZE : 1 IN PRESSURE CLASS : 300/600 THICKNESS : 4.5 MM FLANGE DESIGN STANDARD : ANSI B16.5 FILLER MATERIAL : EXFOLIATED EXPANDED GRAPHITE WINDING MATERIAL : 316 CENTERING RING MATERIAL : 316 INNER RING MATERIAL : 316 Basic Data Text :