The Mechanical Seal, manufactured by Chinabase Machinery, is designed with the PT05 and PT07 version. The PT05 is utilized in SHARPE blender, Chemineer blender and KATO blender of smog desulfurized tower in electric power plant. Used in conveying pump and mail circulation pump of smog is the PT07. The PT07 is 60mm in diameter while the PT05 is 2.938'' diameter.