Rotary Seal Design Guide - Seals Unlimited

Parker Oil SealsDual Spring-Loaded Lip ProfilesCatalog EPS 5350/USA66DBDCDual Spring-Loaded Lip ProfilesDB — Metal case with ParKote bore sealant or groundOD. Most common and economical.DC — Rubber covered OD for improved OD sealing andsoft alloy housing.DA — Assembled case with ParKote bore sealant orground OD. Structural rigidity, blind shaft installation.ApplicationDual spring-loaded lips are generally used whereseparation of two fluids is required. Also used for highcontamination applications.Technical DataOperating Temperature RangeNBR: -20 to 250 °F (-29 to 121 °C)FKM: -40 to 400 °F (-40 to 204 °C)Shaft Surface SpeedUp to 2000 fpm (10.2 m/s)Maximum Pressure0 to 7 psi (0 to 0.48 bar), depending on shaft speedShaft Size Range0.250 to 4.000 inches (5 to 100 mm)Important: Contact customer service for available sizes.DA03/28/066-14 Parker Hannifin CorporationEPS DivisionToll Free: (800) 233-3900www.parkerseals.com