Rotary Seal Design Guide - Seals Unlimited

Catalog EPS 5350/USAProduct OfferingOperatingTemperatureRangeShaftSurface Speedfpm (m/s)ShaftSize RangeInches (mm)Maximum ShaftDynamicRunout (TIR)Maximum(STBM)MisalignmentMaximumPressurepsi (bar)PageNBR -20 °F to 250 °F-29 °C to 121 °CFKM -40 °F to 400 °F-40 °C to 204 °CUp to 5000(25.4)1/2 – 10(12.7 – 254)0.010"(0.254 mm)0.010"(0.254 mm)0 – 7(0 – 0.48)Depending onShaft Speed5-24,6-19PTFE - 40 °F to 500 ° F-40 °C to 260 ° CPTFE - 40 °F to 500 °F-40 °C to 260 °CUp to 2500(12.7)Up to 2500(12.7)1/2 – 14(10 – 350)3/8 – 6(9.5 – 152)0.006"(0.152 mm)0.006"(0.152 mm)0.006"(0.152 mm)0.010"(0.254 mm)0 – 7(0 – 0.48)Depending onShaft Speed10(0.69)5-256-1944NBR -20 °F to 250 °F-29 °C to 121 °CFKM -40 °F to 400 °F-40 °C to 204 °CUp to 3200(16.3)1/2 – 14(10 – 350)0.010"(0.254 mm)0.010"(0.254 mm)0 – 7(0 – 0.48)Depending onShaft Speed6-16NBR -20 °F to 250 °F-29 °C to 121 °CFKM -40 °F to 400 °F-40 °C to 204 °CUp to 2000(10.2)3.375 – 16(85.73 – 406)0.010"(0.254 mm)0.010"(0.254 mm)0 5-21NBR -20 °F to 250 °F-29 °C to 121 °CFKM -40 °F to 400 °F-40 °C to 204 °CUp to 2000(10.2)1.274 – 17.500(32.36 – 445)0.010"(0.254 mm)0.010"(0.254 mm)0 5-19N/A N/A N/A N/A N/A N/A 7-1N/A N/A N/A N/A N/A N/A 7-103/28/064-7 Parker Hannifin CorporationEPS DivisionToll Free: (800) 233-3900www.parkerseals.com