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FeaturesAPI 682 Category 2 and 3,Website:http://www.mechanicalsealsenactus.com, Type C, Arrangement 1 seal Single seal Balanced Cartridge unit Stationary metal bellows Shrink fitted seal ring and solid mating ringAdvantagesSuitable for higher speeds Good followability due to no influence from run-out, squareness or vibration of the shaft Compact design Low heat generation and power consumption due to narrow seal face width Longer seal life Also available in double ply design Suited for applications with extreme high and low temperatures Absence of dynamic O-Ring eleminates/reduces seal face hang-up Bellows design minimizes variation in face load due to shaft expansion or face wear Resistant to abrasive particles in the medium, no shaft or sleeve frettingOperating rangeShaft diameter: d1 = 20 ... 110 mm (0.79& quot; ... 4.33& quot;)Pressure single ply bellows: p = vacuum ... 20 bar (... 290 PSI),Pressure double ply bellows: p = vacuum ... 35 bar (... 508 PSI)Temperature: t = -130 oC ... +400 oC (-202 oF ... +752 oF)Sliding velocity: vg ... 50 m/s (... 164 ft/s)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 technology Oil and gas industry Petrochemical industry Chemical industry Power plant technology LPG plants API 610 / ISO 13709 pumps Process pumpsService Provide special designAccording to the requirements and conditions for the custom processing