Ring Flange Gasket Gasket Material Aramid Insert Material None For Pipe Size 12 in For Flange ANSI Class 300 Binder Material SBR Color White Inside Diameter 12 3/4 in Minimum Operating Temperature -100 Degrees F Maximum Operating Temperature 400 Degrees F Outside Diameter 16 5/8 in Thickness 1/32 in Gasket Type Ring Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Not Rated Includes Mounting Hardware No X-Ray Detectable No