... ring,bushing,flange 2:mechanical sealing parts,pump seal,auto seal 3: SIC mechanical seal burgmann (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, ... . We will reply as soon as possible.mechanical partsPTFE/METAL/SILICONE/RUBBER mechanical seal centrifugal pump