SeccoMix 461

seccomix 461 webFeatures

  • For top entry drives
  • For glass-lined vessels acc. to DIN resp. Non-DIN
  • Dry running
  • Nitrogen pressurized dual seal
  • Balanced
  • Multiple springs rotating
  • Independent of direction of rotation

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 491)
  • ATEX certification available on request
  • The seal can be lifted off the glass-lined flange as a complete cartridge. The sensitive glass-lined basic flange remains mounted on the vessel.

Operating range

  • Shaft diameter: d1 = 40 ... 160 mm (1.57" ... 6.3")
  • 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 T3 (for glass-lined vessels)
  • DIN 28137 T2 (flange connection for glass-lined vessels)
  • DIN 28159 (shaft end for glass-lined vessels)

Recommended applications

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

Notes

  • Options:
    • Cooling or heating flange

Recommended piping plans

  • Gas supply
  • EagleBurgmann GSS4015/A400-D0