Ring Flange Gasket Gasket Material Silicone Insert Material None For Pipe Size 1 in For Flange ANSI Class 300 Binder Material None Color Red Inside Diameter 1 5/16 in Minimum Operating Temperature -80 Degrees F Maximum Operating Temperature 500 Degrees F Outside Diameter 2 7/8 in Thickness 1/8 in Gasket Type Ring Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Shore 60A Includes Mounting Hardware No X-Ray Detectable No For Fluid Type Not Applicable