... kinds of elastomer mechanical seal,O-ring mechanical seal, PTFE mechanical seal and metal bellow mechanical seal,which most of mechanical seal are equivalent to Burgmann mechanical seal, John Crane mechanical seal, Pillar mechanical seals.Main ... , Asia, Western EuropeFor the common rubber bellow mechanical seal such as T24/T43/T21/T20, MG1/2100/502, we have some in the ...