Flange Gasket, Ring Gasket, 3/4 in Pipe Size, 2 1/4 in Outside Dia., 1 1/16 in Inside Dia., Metal Detectable No, Material of Construction Inorganic Fibers with a Nitrile Binder, 1/8 in Thickness, 1,200 psi Max. Pressure (PSI), -100 Degrees to 800 Degrees Temp. Range (F), Color Gray, Standards ABS and Fire Safe, ASME B16.21, ASME/ANSI Pressure Class-150 LB