Single ,Balanced Spring Cartridge flowserve Mechanical seals Specification: 1). Standard (flowserve mechanical seals) :ANSI, EN12756 2). Material (flowserve mechanical seals) : Seal face carbon, sic, TC Secondary seal NBR, Viton, EPDM, Kalrze Metal parts 304,316,Hast.C,dual-phase steel, Ti 3). Design features (flowserve mechanical seals) : 1. Single, balanced ,spring cartridge Flowserve mechanical seal 2. Easy for replacement 4). Operating limits (flowserve mechanical seals) : Temperature -40°C~230°C Speed 25m/s Pressure 22.6 bar Standard size 24~140mm; 1.0"~5.5"