Goulds optional TaperBore^TM seal chamber features an enlarged bore for improved lubrication and cooling of the mechanical seal. The patented design (No. 5,336,048) features a tapered throat and a vane particle ejector to keep solids away from seal faces and from building up in the seal chamber. Seal life is remarkably extended. Goulds TaperBore^TM seal chamber and cartridge mechanical seal. A full range of other seal types is available.