Ring Flange Gasket Gasket Material Neoprene Insert Material None For Pipe Size 3/4 in For Flange ANSI Class 150 Binder Material None Color Black Inside Diameter 1 1/16 in Minimum Operating Temperature -30 Degrees F Maximum Operating Temperature 250 Degrees F Outside Diameter 2 1/4 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