Full Face Flange Gasket Gasket Material Aramid Insert Material None For Pipe Size 20 in For Flange ANSI Class 150 Binder Material SBR Color White Inside Diameter 20 in Minimum Operating Temperature -100 Degrees F Maximum Operating Temperature 400 Degrees F Outside Diameter 27 1/2 in Thickness 1/16 in Number of Bolt Holes 20 Bolt Hole Diameter 1 1/4 in Gasket Type Full-Face Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Not Rated