Ring Flange Gasket Gasket Material Aramid Insert Material None For Pipe Size 2 1/2 in For Flange ANSI Class 300 Binder Material SBR Color White Inside Diameter 2 7/8 in Minimum Operating Temperature -100 Degrees F Maximum Operating Temperature 400 Degrees F Outside Diameter 5 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