Ring Flange Gasket Gasket Material Aramid Insert Material None For Pipe Size 12 in For Flange ANSI Class 150 Binder Material Buna-N Color Green Inside Diameter 12 3/4 in Minimum Operating Temperature 0 Degrees F Maximum Operating Temperature 750 Degrees F Outside Diameter 16 1/8 in Thickness 1/16 in Gasket Type Ring Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Not Rated Includes Mounting Hardware No X-Ray Detectable No