AAA: Advanced technology, Assurable quality, Authentic reputation 2000 series double face mechanical seal (double seal, sealing 2000 series double face mechanical seal (double seal, sealing)2003, 2004, 2005 sereis seal used for P<1.6MPa, t≤80, Vmax<3m/s. 2005H has waste collector, 2005K has cooling jacket.Main parameters for 2003, 2004, 2005 ...