Packaging & Paper

Structure descriptionEquivalent to Burgmann MR-D dual cartridge mechanical sealFor top,Website:http://www.mechanicalsealsenactus.com, lateral and bottom drivesProduct side seat rotatingUnbalancedDouble sealIndependent of direction of rotationCartridge unitOperating rangeShaft diameter: dN/dw = 30 … 200 (500) mm (1.18& quot; … 7.87& quot; (19.68& quot;))Axial offset shaft/housing:dN/dw 30 … 60 mm (1.18& quot; … 2.36& quot;): max. ±1.5 mm (0.059& quot;)dN/dw >60 mm (2.36& quot;): max. ±2.0 mm (0.079& quot;)Radial offset shaft/housing: max. ±0.3 mm (0.012& quot;)Pressure:p1 (media) = vacuum … 14 (23) bar (203 (334 PSI))p3 (buffer fluid) = max. 16 (25) bar (232 (363 PSI))Δ p3 > p1 = min. 2 bar (29 PSI), max. 10 bar (145 PSI)Temperature:t1 (media) = -20 °C … +200 (300) °C (-4 °F … +392 (572) °F)Sliding velocity: vg = 20 m/s (66 ft/s)For applications beyond this range, please inquire.MaterialsProduct side:Seal face, seat: Silicon carbide (Q1), Tungsten carbide (U)Metal parts: Cr steel (E), CrNiMo steel (G), Hastelloy? (M)Atmosphere side:Seal face, seat: Silicon carbide (Q1), Carbon graphite resin impregnated (B)Metal parts: Cr steel (E), CrNiMo steel (G)Product and atmosphere side:Springs: CrNiMo steel (G), Hastelloy? (M)Secondary seals: EPDM (E), FKM (V), FFKM (K), FKM, FEP wrapped (M5)Other materials on request.