Click image to enlarge
| Item | Description |
|---|---|
| 1 | Seal face, atmosphere side |
| 2 | Seal face, product side |
| 6, 7, 13, 14, 15 | O-Ring |
| 11 | Seat, product side |
| 12 | Seat, atmosphere side |
SeccoMix 461
Features
- 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)
- TA-Luft-konform
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
for double seals SeccoMix 461...D..
Product variants
SeccoMix 461-D
Dual seal
SeccoMix 461L-D
Dual seal with integrated floating bearing.
SeccoMix 491
Seal designation for adaptions beyond DIN (e.g. unstepped shaft).
