Packaging & Paper

FeaturesEquivalent to Burgmann LL9DJUEAPI 682 Category 2 and 3, Type A,Arrangement 2 sealDual seal in face-to-back arrangementDry contact outer seal (containment seal)BalancedCartridge unitStationary multiple springsSolid seal facesOperating rangePressure (primary seal): p = vacuum ... 60 bar (870 PSI)Pressure (secondary seal): p = 2.75 bar (40 PSI) normal operation,max. 60 bar (870 PSI) in wet operationTemperature: -40 °C … +176 °C (-40 °F … +349 °F)*Sliding velocity: ... 25 m/s (82 ft/s)Viscosity: 300 mPasSolids content: ... 0.5 wt.%* Engineered up to 260 °C (500 °F) with FFKM (K) secondary sealsMaterialsSeal ring (primary seal): Blister resistant carbon,Silicon carbide SSiC (Q1), RBSiC (Q2)Seal ring (secondary seal): Special carbonMating ring:Silicon carbide SSiC (Q1), RBSiC (Q2)Secondary seals:FKM (V), FFKM (K), EPDM (E), NBR (P)Springs: Hastelloy® C-276 (M5)Metal parts: CrNiMo steel 316 (G)Recommended applicationsRefining technology)Oil and gas industryPetrochemical industryChemical industryPower plant technologyLight volatile hydrocarbonsLPG plantsAPI 610 / ISO 13709 pumpsProcess pumpsAdvantagesOuter seal which can be used for flashing as well as non-flashing applications prevents hazardous emissions in case of inboard seal failureLow heat generation and power consumption due to narrow seal face width of inner sealLonger seal lifeGood followability due to no influence from run-out, squareness or vibration of the shaftPressure-balanced design prevents mating ring being forced out under reverse pressureNo damage to shaft sleeve as dynamicO-Ring is not in direct contact with the sleeveEnactus?-LL9DJUE Dimentions(mm)API/d1API/d2API/d3d5d6l4l5l6l7207010551128128983080308011563138130983280409012574148133983580501001408416814210735876012016099188142107358770130170108198142107358780140180120208142107358790160205138238150115359310017021514824815011535931101802251572581551154093