Enactus -Mtex-D Burgmann Mltex Dual Seal Replacement
FeaturesCartridgeBalancedIndependent of direction of rotationMetal bellowsStationary SpringsPumping device independent of direction of rotationOperating rangeShaft diameter: d1 = 25 ... 80 mm (1" … 3.15")Temperature: t* = –40 °C ... +220 °C (–40 °F ... + 428 °F)Pressure: p1 = 25 bar (232 PSI)Sliding velocity: vg = 20 m/s (66 ft/s)Barrier fluid circulation system:p3max = 16 bar (232 PSI)Δp (p3–p1) ideal = 2 … 3 bar (29 … 44 PSI)Δp (p3–p1) max.= 10 bar (145 PSI) at = 5 bar (73 PSI) at ≤ 220 °C (≤232 °F)API Plan 52 (53/54)Pump startup:Δp (p3–p1) max.16 bar (232 PSI) allowed* Operating limits of O-Rings to be observedMaterialsSeal face: Carbon graphite (A),Website:, Siliconcarbide (Q1)Seat: Silicon carbide (Q1), Tungsten carbide (U2)Secondary seals: FPM (V), EPDM (E),FFKM (K)Bellows: Inconel® 718 (M6)Springs: Hastelloy® C-4 (M)Metal parts: CrNiMo steel (G), Duplex (G1)Enactus-Mtex9-DNDimensions, items and descriptions as for EnactusMtex-DN, but with optimized seal face geometry for pressurized operation according to API Plan 53/54. A barrier fluid system (e.g. Enactus TS2000) is necessary.Pressure: p1 = 10 bar (145 PSI)Sliding velocity: vg = 20 m/s (66 ft/s)Barrier fluid circulation system: p3max = 16 bar (232 PSI)Δp (p3 – p1) ideal = 2 … 3 bar (29 … 44 PSI)Δp (p3 – p1) max = 16 bar (232 PSI)API Plan 53/54Pump startup:Δp (p3 – p1) max = 16 bar (232 PSI) allowedRecommended applicationsProcess industryChemical industryHot mediaCold mediaHighly viscous mediaPumpsSpecial rotating equipmentEnactus -Mtex-D Dimensions(mm)d1d2l4l5l6l7daa2s3554.825.486.533.153.4113.072.013.23857.525.486.533.153.4123.075.014.04058.825.486.332.953.4123.077.014.24361.925.486.533.153.4133.080.014.24565.025.486.533.153.4138.082.014.24868.425.486.833.453.4138.085.014.25070.025.487.233.853.4148.087.014.25371.925.487.434.053.4148.097.018.05574.625.487.033.653.4148.092.018.06083.925.488.234.853.4157.0102.018.06587.525.488.134.753.4163.0109.318.07093.025.489.636.253.4178.0118.318.07596.828.0107.443.563.9190.0129.018.080104.728.0106.842.963.9195.0135.018.0
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