Full Face Flange Gasket Gasket Material SBR Insert Material None For Pipe Size 1 in For Flange ANSI Class 150 Binder Material SBR Color Red Inside Diameter 1 5/16 in Minimum Operating Temperature -20 Degrees F Maximum Operating Temperature 200 Degrees F Outside Diameter 4 1/4 in Thickness 1/8 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 Shore 75A