SeecoMix 481

Features

  • seccomix 481 webFor top entry drives
  • For steel vessels acc. to DIN resp. Non-DIN
  • Nitrogen pressurized dual seal, single seal optional
  • Balanced
  • Independent of direction of rotation
  • Multiple springs rotating
  • Dry running
  • Cartridge unit

Advantages

  • Ready-to-fit and factory-tested unit
  • With or without bearing available
  • Suitable for pressure reversal e.g. in case of barrier pressure failure
  • No contamination of the product by barrier fluid
  • Friction-locked connection to the shaft
  • Connections to DIN 28138 standards or as required (SeccoMix 451)
  • ATEX certification available on request

Operating range

  • Shaft diameter: d1 = 40 ... 220 mm (1.57" ... 8.66")
  • Pressure: p1 = vacuum ... 6 bar (87 PSI)
  • Temperature: t1 = -20 °C ... +200 (250*) °C (-4 °F ... +392 (482*) °F)
  • Sliding velocity: vg = 0 ... 2 m/s (0 ... 6 ft/s)

For applications beyond this range, please inquire.

* with cooling flange

! It should be noted that the extremal values of each operating parameter cannot be applied at the same time because of their interaction.

Materials

  • Seal face: Carbon graphite, FDA conform
  • Seat: Silicon carbide, FDA conform
  • Secondary seals and metal parts according to application and customer's specifications.

Standards and approvals

  • FDA
  • ATEX
  • DIN 28138 (mechanical seals for agitator shafts)
  • DIN 28136 T2 (steel vessels)
  • DIN 28141 (flange connection for steel vessels)
  • DIN 28154 (shaft end for steel vessels)

Recommended applications

  • Refining technology
  • Petrochemical industry
  • Chemical industry
  • Pharmaceutical industry
  • Food and beverage industry
  • Agitators
  • Mixers
  • Reactors

Notes

  • Options:
    • Cooling or heating flange
    • Wear trap with flush
    • Wear trap with flush and cooling / heating flange
    • Polymerization barrier
    • Axial expansion joint (shaft movement)
    • Wiper ring (shaft movement)

Recommended piping plans

  • Gas supply
  • EagleBurgmann GSS4015/A400-D0