Ring Flange Gasket Gasket Material PTFE Insert Material 304 Stainless Steel For Pipe Size 6 in For Flange ANSI Class 150 Binder Material None Color White Inside Diameter 6 5/8 in Minimum Operating Temperature -250 Degrees F Maximum Operating Temperature 500 Degrees F Outside Diameter 8 3/4 in Thickness 3/32 in Gasket Type Ring Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Not Rated Includes Mounting Hardware No X-Ray Detectable No