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 |
M461K
Features
- Cartridge double seal for top entry drives
- For glass-lined vessels
- Liquid lubricated
- Self-closing on product side
- Unbalanced
- Independent of direction of rotation
- Multiple springs rotating
Advantages
- Ready-to-fit and factory-tested unit
- Available with or without bearing
- Suitable for standardizations
- Seal can be applied at higher pressure and rotating speed than specified by DIN
- 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.
- ATEX certification on request
Operating range
Shaft diameter:
d1 = 40 ... 160 mm (1.57" ... 6.30")
Pressure:
p1 = vacuum ... 16 bar (232 PSI),
p3 = max. 18 bar (261 PSI)
Temperature:
t1 = -40 °C ... +200 (250*) °C
(-40 °F ... +392 (482*) °F)
Sliding velocity:
vg = 0 ... 5 m/s (0 ... 16 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 faces: Carbon graphite or Silicon carbide, FDA conform
Seats: Silicon carbide, FDA conform
Secondary seals and metallic parts acc. to application and customers' requirement.
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
- Petrochemical industry
- Chemical industry
- Pharmaceutical industry
- Food and beverage industry
- Agitators
- Reactors
Notes
Options:
- Cooling resp. heating flange
- Leakage drain resp. flush
Recommended piping plans
Closed circuit TS system, open circuit SPA, SPN
Product links:
EagleBurgmann TS1000
EagleBurgmann TS2000
EagleBurgmann SPA
EagleBurgmann SPN manual
EagleBurgmann SPN automatic
Product variants
M461KL-D
The variant with integrated floating bearing.
M56K(L)
Double seal without/with floating bearing
for PN 25 (Special seal on request.)
M491KL
The series for unstepped shafts (all diameters) and connection diamentions not covered by DIN. Customized design or e.g. different drives (torque transmissions) are available.
