Shanghai Enactus Industrial Co., Ltd

Date: 23rd June 2016
Enactus -LY9DSTT Burgmann LY9DSTT Replacement
Structure descriptionReplacement of Burgmann LY9DSTTAPI 682 Category 2 and 3,Website:, Type C,Arrangement 3 sealDual seal in face-to-face arrangementBalancedCartridge unitRotating metal bellowsShrink fitted seal ring and solid mating ringOperating rangePressure single ply bellows: p = vacuum ... 20 bar (... 290 PSI)Pressure double ply bellows: p = vacuum ... 35 bar (... 508 PSI)Temperature: t = -200 C ... +400 C(-328 F ... +752 F)Sliding velocity: vg ... 50 m/s (... 164 ft/s)Viscosity: ... 1,000 mPasSolids content: ... 0.5 wt.%MaterialsSeal ring: Blister resistant carbon,Silicon carbide SSiC (Q1), RBSiC (Q2)Mating ring:Silicon carbide SSiC (Q1), RBSiC (Q2)Bellows: Inconel 718 (M6)Secondary seals: Graphite (G)Metal parts: CrNiMo steel 316 (G), Carpenter 42 (T4)Recommended applicationsRefining technologyOil and gas industryPetrochemical industryChemical industryPower plant technologyLPG plantsAPI 610 / ISO 13709 pumpsProcess pumpsAdvantagesVery compact designSuitable for higher speedsGood followability due to no influence from run-out, squareness or vibration of the shaftLow heat generation and power consumption due to narrow seal face widthLonger seal lifeAlso available in double ply designSuited for applications with extreme high and low temperaturesAbsence of dynamic O-Ring eleminates/ reduces seal face hang-upBellows design minimizes variation in face load due to shaft expansion or face wearResistant to abrasive particles in the medium, no shaft or sleeve frettingEnactus?-LY9DSTT Dimentions(mm)API/d1API/d2API/d3d5l1l2l3l42070105-----30801151381459847734090125148151975473.5501001401681491074284601201601881621075580701301701981691076281,5801401802081621075579901602052381801176388.510017021524818411767851101802252581891177283.5
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