Rotary Seal Design Guide - Seals Unlimited

Clipper ® Oil SealsP, H ProfilesCatalog EPS 5350/USAP and H ProfilesP — Features nonmetallic composite OD for damage-freeinstallation. The P wiper scraper lip extends outside the boreface.H — Features nonmetallic composite OD for damage-freeinstallation. Shallow cavity rod wiper designed for excludingdust and contamination.55ApplicationP Wiper — Used in reciprocating applications.H Wiper — Used in reciprocating and rotary applications.Note: Reciprocating application may require bore plate.Technical DataOperating Temperature RangeNBR: -20 to 250 °F (-29 to 121 °C)FKM: -40 to 400 °F (-40 to 204 °C)PShaft Surface SpeedP Wiper — Up to 300 fpm reciprocating (1.5 m/s)H Wiper — Up to 300 fpm reciprocating (1.5 m/s), 2000 fpmrotary (10.2 m/s)Maximum Pressure0 psiHSize RangeP Wiper — 3/8 to 30 inches (9.5 to 762 mm)H Wiper — 3/8 to 30 inches (9.5 to 762 mm)Important: For full listings of standard sizes, see AppendicesB and C.03/28/065-22 Parker Hannifin CorporationEPS DivisionToll Free: (800) 233-3900www.parkerseals.com