... reputation bottom entry mixers, cartridge mechanical seal, cartridge sea 285, 286, 288 series mechanical seal for bottom entry mixers (cartridge mechanical ... are special mechanical seal for bottom-entering tank. Type 285, 286 seals include shaft support system and double mechanical seal. Type ... is used for 1.33×10-50.6MPa and type 286, 1.33×10-51.6MPa. Cavity Temperature≤80, Velocity≤3m ...