Shanghai Enactus Industrial Co., Ltd

Date: 23rd June 2016
Enactus-LL9DJUU Burgmann LL9DJUU Replacement
FeaturesAPI 682 Category 2 and 3,Website:, Type A, Arrangement 2 and 3 sealDual seal in face-to-back arrangementSame size of inboard and outboard sealBalancedCartridge unitStationary multiple springsSolid seal facesAdvantagesSuitable for higher speedsGood followability due to no influence from run-out, squareness or vibration of the shaftCompact designLow heat generation and power consumption due to narrow seal face widthLonger seal lifePressure-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 sleeveOperating rangeShaft diameter: d1 = 20 ... 110 mm (0.79" ... 4.33")Pressure: p = 60 bar (870 PSI)Temperature: -40 ?C ? +176 ?C (-40 ?F ? +349 ?F)*Sliding velocity: vg = 50 m/s (164 ft/s)* Engineered up to 260 ?C (500 ?F) with FFKM (K) secondary seals.MaterialsSeal rings: Blister resistant carbon,Silicon carbide SSiC (Q1), RBSiC (Q2)Mating rings:Silicon carbide SSiC (Q1), RBSiC (Q2)Secondary seals:EPDM (E), NBR (P), FKM (V), FFKM (K)Springs: Hastelloy? C-276 (M5)Metal parts: CrNiMo steel 316 (G)Recommended applicationsRefining technologyOil and gas industryPetrochemical industryChemical industryPower plant technologyLight volatile hydrocarbonsLPG plantsAPI 610 / ISO 13709 pumpsProcess pumpsServiceProvide special designAccording to the requirements and conditions for the custom processing
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