Ring Flange Gasket Gasket Material FKM Insert Material None For Pipe Size 1 1/2 in For Flange ANSI Class 150 Binder Material None Color Black Inside Diameter 1 29/32 in Minimum Operating Temperature -20 Degrees F Maximum Operating Temperature 450 Degrees F Outside Diameter 3 3/8 in Thickness 1/8 in Gasket Type Ring Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Not Rated Includes Mounting Hardware No X-Ray Detectable No