Features mechanical seal gso-dn
- Seat rotating
- Stationary springs
- Double seal
- Balanced
- Standard version with V-grooves, U-grooves optional (independent of direction of rotation)
- Gas-lubricated
Advantages mechanical seal gso-dn
- Contact free operation
- Face-to-face
Cartridge unit - Does not open in the event of buffer pressure failure
- Self closing at pressure reversal
- No additional complex components to dissipate frictional heat
Operating range mechanical seal gso-dn
- Shaft diameter:
d1 = 30 … 75 mm (1,125″ … 2,625″)
(other dimensions on request) - Product pressure:
p1 = max. 22 bar (319 PSI),
(dependent on shaft diameter and sliding materials) - Barrier pressure: p3 = max. 25 bar (362 PSI),
- Differential pressure: Δp= min. 3 bar (44 PSI)
- Temperature:
t = -20 °C … +170 °C (-4 °F … +338 °F)
(dependent on resistance of O-Rings) - Sliding velocity: vg = 16 m/s (52 ft/s),
with special design max. 25 m/s (82 ft/s) - Axial movement: ±0.2 mm
Materials mechanical seal gso-dn
- Seal faces: Carbon graphite (A)
- Seat: Silicon carbide (Q1, Q2)
- Secondary seals:
FKM (V), EPDM (E), FFKM (K) - Springs: Hastelloy® C-4 (M)
- Metal parts:
CrNiMo steel (G), Hastelloy® C-4 (M)
| Item | Description |
| 1, 2 | Seal face |
| 3, 4, 8, 10, 13 | O-Ring |
| 5, 6 | Spring |
| 7 | Seat |
| 9 | Shaft sleeve |
| 11 | Flange |
| 12 | Gasket |
| 14 | Cover |
| 15, 22, 25 | Countersunk screw |
| 16 | Retaining ring |
| 17 | Pin |
| 18 | Ring |
| 19 | Set ring |
| 20 | Set screw |
| 21 | Pumping ring |
| 23 | V-Seal |
| 24 | Assembly fixture |
Recommended applications seal gso-dn
- Chemical industry
- Refining technology
- Gases and liquids
- Media which require high purity
- Environmental harmful media
- Blowers
- Fans
- Pumps
