The Chesterton 442C Cartridge Split Mechanical Seal is a new development in split seal technology, combining high seal performance with the ease of installation of a cartridge split seal. The patented split seal technology addresses the inherent limitations found in conventional cartridge split seal designs, minimizing installation complications and excessive leakage. The 442C design also offers installation flexibility with its short axial length and flexible gland positioning. Custom gland design requirements to fit the user's equipment are minimized/reduced. Size : 32 mm to 120 mm (1.250" to 4.75"); pressure: 710 mm (28") Hg to 30 bar g (450 psig), speed, wet to 20 m/s.