carbon bushing 1:gasket,ring,bushing,flange 2:mechanical sealing parts,pump seal,auto seal 3: stainless steel, TC carbon bushing (all photo is as the samples offered, there have rubber impeller, ceramic seal, sic seal, stainless seal, and ssic seal) Stainless steel is featured with corrosion resistance, fatigue resistance, flexibility, high-press resistance, good sealing and long-span. It has ...