Ring Flange Gasket Gasket Material Graphite Insert Material 316 Stainless Steel For Pipe Size 2 in For Flange ANSI Class 300 Binder Material None Color Gray Inside Diameter 2 3/8 in Minimum Operating Temperature -400 Degrees F Maximum Operating Temperature 975 Degrees F Outside Diameter 4 3/8 in Thickness 1/16 in Product Type Ring Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Not Rated Includes Mounting Hardware No X-Ray Detectable No