Ring Flange Gasket Gasket Material Silicone Insert Material None For Pipe Size 1 in For Flange ANSI Class 150 Binder Material None Color Blue Inside Diameter 1 5/16 in Minimum Operating Temperature -50 Degrees F Maximum Operating Temperature 400 Degrees F Outside Diameter 2 5/8 in Thickness 1/16 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