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