Commonly used on milk tank outlet valves
High Temperature tolerant -70 to 400F temp range
Flanged gasket for 3 inch
Flange helps gasket stay on ferrule while putting on clamp.
color may vary
Related;
1000-003 - 3.0 inch BUNA rubber gasket
1000-009 - 3.0 inch Teflon Gasket
1000-029 - 3.0 inch Silicone Gasket (this item)