Full Face Flange Gasket Gasket Material EPDM Insert Material EPDM For Pipe Size 3 in For Flange ANSI Class 150 Binder Material None Color Black Inside Diameter 3 1/2 in Minimum Operating Temperature -40 Degrees F Maximum Operating Temperature 195 Degrees F Outside Diameter 7 7/16 in Thickness 5/64 in Number of Bolt Holes 4 Bolt Hole Diameter 13/16 in Gasket Type Full-Face Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Shore 65 to 70 A