Compression Packing Seal, Product Type Compression Packing Seal, Overall Length 5 ft, Ambient Temperature – Maximum 650 Degrees F, Pressure for Pumps – Maximum 250 psi, pH – Maximum 14 pH, Temperature in Steam – Maximum 1,200 Degrees F, Standards OSHA, Seal Material Graphite, Shaft Speed – Maximum 4,000 fpm, pH – Minimum 0 pH, Packing Seal Size 1/2 sq in, Pressure for Valves – Maximum 2,500 psi, Includes Lubrication, Ambient Temperature – Minimum -400 Degrees F, Color Gray