Full Face Flange Gasket Gasket Material Aramid Insert Material None For Pipe Size 1/2 in For Flange ANSI Class 150 Binder Material EPDM Color Gray Inside Diameter 7/8 in Minimum Operating Temperature -100 Degrees F Maximum Operating Temperature 390 Degrees F Outside Diameter 3 1/2 in Thickness 1/16 in Number of Bolt Holes 4 Bolt Hole Diameter 5/8 in Gasket Type Full-Face Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Not Rated