Compression Packing Seal, Product Type Compression Packing Seal, Overall Length 5 ft, Ambient Temperature – Maximum 550 Degrees F, Pressure for Pumps – Maximum 300 psi, pH – Maximum 14 pH, Temperature in Steam – Maximum Not Rated, Standards OSHA, RoHS, Seal Material Graphite, PTFE, Shaft Speed – Maximum 4,300 fpm, pH – Minimum 2 pH, Packing Seal Size 5/16 sq in, Pressure for Valves – Maximum Not Rated, Includes Lubrication, Ambient Temperature – Minimum -400 Degrees F, Color Black