Compression Packing Seal Product Type Compression Packing Seal Overall Length 25 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