Compression Packing Seal Food/Pharmaceutical Potable Water For Use In - Packing Seals Pumps Square (in) 3/8 in Length 25 ft PTFE Lubrication - Packing Seals Yes Max Pressure for Pumps (PSI) 250 psi Max Pressure for Valves (PSI) NR Mineral Oil External Coating - Packing Seals White Color Ambient Temp Range (F) -400 to 500 Max Temp in Steam (F) NR Max Shaft Speed (ft/min) 1 200 fpm pH Range 0 to 14 Features White PTFE Packing Reduces Staining and Contamination