... 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 ... 188-φ188-φ228-φ228-φ2212-φ22L1148160160170180200205L2215230260280280305310C24262628303234h6666666 2000 series double face mechanical seal