Ring Flange Gasket Gasket Material EPDM Insert Material None For Pipe Size 3 in For Flange ANSI Class 300 Binder Material None Color Black Inside Diameter 3 1/2 in Minimum Operating Temperature -30 Degrees F Maximum Operating Temperature 250 Degrees F Outside Diameter 5 7/8 in Thickness 1/16 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 Steam Water