Ring Flange Gasket Gasket Material Silicone Insert Material None For Pipe Size 6 in For Flange ANSI Class 150 Binder Material None Color Blue Inside Diameter 6 5/8 in Minimum Operating Temperature -50 Degrees F Maximum Operating Temperature 400 Degrees F Outside Diameter 8 3/4 in Thickness 1/8 in Product Type Ring Gasket Metal Detectable Gasket Yes Included Fasteners Not Applicable Hardness 60A Includes Mounting Hardware No X-Ray Detectable No For Fluid Type Not Applicable