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| Item no. | Description |
|---|---|
| 1 | Seal face, atmosphere side |
| 2 | Seal face, product side |
| 4, 5, 11, 12, 13 | O-Ring |
| 9 | Seat, product side |
| 10 | Seat, atmosphere side |
HS-D
Features
- For top entry drives
- Double seal
- Unbalanced
- Independent of direction of rotation
- Multiple springs rotating
- Liquid-lubricated
- Cartridge unit
Advantages
- Ready-to-fit and factory-tested unit
- With or without bearing available
- Patented hydrodynamic grooves
- Designed for medium pressure range
- Connection dimensions to customers' requirements
- Self-closing on product side
- ATEX certification on request
Operating range
Shaft diameter:
d1 = 20 ... 500 mm (0.79" ... 19.69")
Pressure: p1 = vacuum ... 30 bar (... 435 PSI)
Temperature:
t1 = -40 °C ... +200 (350*) °C
(-40 °F ... +392 (662*)) °F
Sliding velocity:
vg = 0 ... 5 m/s (0 ... 16 ft/s)
* with cooling flange
For applications beyond this range, please inquire.
! 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
Recommended applications
- Refining technology
- Petrochemical industry
- Chemical industry
- Pharmaceutical industry
- Lithium
- Power generation
- Reactors
- Agitators
- Special rotating equipment
Notes
>Options:
- Cooling resp. heating flange
- Leakage drain
- Flush
- Polymerization barrier
Recommended piping plans
Open circuit
e.g. EagleBurgmann SPA, EagleBurgmann SPN
Product links:
EagleBurgmann SPA
EagleBurgmann SPN manual
EagleBurgmann SPN automatic
Product variants
HS … -D
Double seal
HS .. L-D
Double seal with integrated floating bearing.
HS ..(L)U-D
Double seal for bottom and side entry drives with or without floating bearing.
These seals are designed to be self-closing on the product side, i.e. they will remain closed even with pressure variations or a pressure reversal.
