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Double Mechanical Seal:
Double Mechanical Seals are generally used for following circumstances
· very dry medium
· vacuum applications
· higher temperatures
· sludge with higher impurities or hard particles
With above circumstance we must use double mechanical seal with external cooling provision.
In this double mechanical seal assembly setting is more complicate for layman, so we always recommend double mechanical seal with cartridge assembly which is very much easy to assemble for layman.