Rotary Seal Design Guide - Seals Unlimited

Clipper ® Oil SealsLUPW, LPDW, LDSW ProfilesCatalog EPS 5350/USALUPW, LPDW and LDSW ProfilesLUPW/LPDW — Spring-loaded single lip. Featuresnonmetallic composite OD for damage-free installation.LDSW — Specialized double lip features nonmetalliccomposite OD for damage-free installation. Primary lip featuresmolded-in springs for lubrication retention. Springless secondarylip for excluding light dust. Floating lip accommodates highmisalignment conditions.ApplicationMost commonly used for oil or grease retention wherehigh shaft misalignment is present. LUPW and LPDWaccommodate misalignment by use of extended lip profileand may require a wider than normal bore depth to avoidinterference of the lip.Type LDSW accommodates misalignment using ageometry that allows the lip to float with the shaft.55Technical DataLUPWOperating Temperature RangeNBR: -20 to 250 °F (-29 to 121 °C)FKM: -40 to 400 °F (-40 to 204 °C)Common MaterialsNBR – H1L5HNBR – H1L20XNBR – H1L30FKM – H5L16LPDWLDSWShaft Surface SpeedLUPW/LPDW — Up to 1000 fpm (5.1 m/s)LDSW — 2500 fpm (12.7 m/s)Maximum PressureLUPW/LPDW— 0 to 7 psi (0 to 0.48 bar), depending on shaftand runoutLDSW— 0 to 3 psi (0 to 0.21 bar), depending on shaft speedand runoutSize RangeAvailable shaft diameter range is 0.1 to 65 inches (25 to1651 mm)..Important: For full listings of standard sizes, see Page B-8603/28/065-15 Parker Hannifin CorporationEPS DivisionToll Free: (800) 233-3900www.parkerseals.com