Primil HP PTFE Shaft Seals Click on any image or style number to view larger images and information for a seal style. HP1 HP2 HP3 HP4 Temperature range: -130°F to 482°F (-90°C to 250°C) Speeds: Sealing surface speeds up to 45m/s (147.6 ft/s) Size range: from 30mm O/dia to 530mm O/dia (1.2 in. to 20.9 in.) Features pressue seal up to 25 bar / 367 Our equivalent to Garlock P.S. and Elring styles Applications include Pumps, Agitators, Blowers, Rotating Compressors, Mixers, etc. Excellent for extreme temperatures, high pressures, high speeds and corrosive liquids and gases P.T.F.E. sealing lip wiht any number of other combinations Also available in multi-lip designs. Click on a style number above for seal dimension information and diagram.