Features mechanical seal hsh-d
- For top entry drives
- Double seal
- Balanced
- Independent of direction of rotation
- Multiple springs rotating
- Liquid-lubricated
- Cartridge unit
Advantages mechanical seal hsh-d
- Ready-to-fit and factory-tested unit
- With or without bearing available
- Patented hydrodynamic grooves
- Designed for high pressure range
- Connection dimensions to customers’ requirements
- ATEX certification on request
Operating range mechanical seal hsh-d
- Shaft diameter:
d1 = 20 … 500 mm (0.79″ … 19.69″) - Pressure:
p1 = vacuum … 250 bar (… 3,625 PSI)*,
p3 = p1 +10 % - Temperature:
t1 = -40 °C… +200 (350**) °C
(-40 °F … +392 (662**) °F) - Sliding velocity:
vg = 0 … 5 m/s (0 … 16 ft/s)
* Depending on size, from 100 … 150 bar (1,450 … 2,175 PSI) executed as tandem seal (pressure reduction in 2 stages).
** with cooling flange
Materials mechanical seal hsh-d
- Seal faces: Carbon graphite
- Seats: Silicon carbide, FDA conform
- Secondary seals and metallic parts acc. to application and customers’ requirement.
Item no. | Description |
1 | Seal face, atmosphere side |
2 | Seal face, product side |
4, 5, 13, 14 | O-Ring |
11 | Seat, product side |
12 | Seat, atmosphere side |
Recommended applications seal hsh-dBurgmann
- Refining technology
- Petrochemical industry
- Chemical industry
- Pharmaceutical industry
- Reactors
- Agitators
- Special rotating equipment with top entry drive