... ,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, fatigue ... as soon as possible.mechanical partsPTFE/METAL/SILICONE/RUBBER mechanical seal centrifugal pump