Features mechanical seal mg9
- For plain shafts
- Single and dual seal
- Elastomer bellows rotating
- Balanced
- Independent of direction of rotation
- No torsion on bellows and spring
- Conical or cylindrical spring
- Metric and inch sizes available
- Special seat dimensions available
- US Patent No. 6.220.601
Advantages mechanical seal mg9
- Fits into any installation space due to smallest outer seal diameter
- Important material approvals available
- Individual installation length can be achieved
High flexibility due to extended selection of materials - Universal application (standardization)
Operating range mechanical seal mg9
- Shaft diameter:
d1 = 10 … 100 mm (0.375″ … 4″) - Pressure: p1 = 12 bar (174 PSI),
vacuum up to 0.5 bar (7.25 PSI),
up to 1 bar (14.5 PSI) with seat locking - Temperature:
t = -20 °C … +140 °C (-4 °F … +284 °F) - Sliding velocity: vg = 10 m/s (33 ft/s)
- Axial movement: ±0.5 mm
Materials mechanical seal mg9
- Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1)
- Seat: Silicon carbide (Q1, Q2), Aluminium oxide (V)
- Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
- Metal parts: CrNiMo steel (G)
| Item | Part no. to DIN 24250 | Description |
| 1.1 | 472 | Seal face |
| 1.2 | 481 | Bellows |
| 1.3 | 485 | Driver collar |
| 1.4 | 484.1 | “L” ring (spring collar) |
| 1.5 | 474 | Washer |
| 2 | 477 | Spring |
| 3 | 475 | Seat |
| 4 | 412 | Rubber cup |
Recommended applications seal mg9
- Water and waste water technology
- Pulp and paper industry
- Chemical industry
- Cooling fluids
- Media with low solids content
- Pressure oils for bio diesel fuels
- Circulating pumps
- Submersible pumps
- Multi-stage pumps (non-drive side)
- Water and waste water pumps
- Oil applications
