Mechanical Seal M74-D
Type in the Iseal : IS74-D
- Shaft diameter: d1 = 18 … 200 mm (0.71″ … 7.87″)
- Pressure: p1 = 25 bar (363 PSI)
- Temperature: t = -50 °C … 220 °C (-58 °F … 428 °F)
- Sliding velocity: vg = 20 m/s (66 ft/s)
- Axial movement:
- d1 up to 100 mm: ±0.5 mm
- d1 from 100 mm: ±2.0 mm
| Brand | Iseal |
|---|
Description
| Item | Part no. to DIN 24250 | Description |
| 1.1 | 472.1 | Seal face |
| 1.2 | 472.2 | Seal face |
| 1.3 | 474 | Thrust ring |
| 1.4 | 485 | Drive collar |
| 1.5 | 477 | Spring |
| 1.6 | 904 | Set screw |
| 1.7 | 412.1 | O-Ring |
| 1.8 | 412.2 | O-Ring |
| 2 | 475.1 | Seat (G9) |
| 3 | 412.3 | O-Ring |
| 4 | 475.2 | Seat (G9) |
| 5 | 412.4 | O-Ring |
Advantages
- Efficient stock keeping due to easily interchangeable faces
- Extended selection of materials
- Flexibility in torque transmissions
- EN 12756 (For connection dimensions d1 up to 100 mm (3.94"))
Features
- For plain shafts
- Dual seal
- Unbalanced
- Rotating multiple springs
- Independent of direction of rotation
- Seal concept based on the M7 range
- Variant with pumping screw available (M74F-D)
Materials
- Seal face: Silicon carbide (Q1)
- Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat G4, G6 (Q1, Q2), Seat G13 (A, B) - Secondary seals: EPDM (E), FKM (V), FFKM (K)
- Springs: CrNiMo steel (G)
- Metal parts: CrNiMo steel (G), Duplex (G1)
Recommended applications
- Chemical industry
- Process industry
- Pulp and paper industry
- Low solids content and low abrasive media
- Toxic and hazardous media
- Media with poor lubrication properties
- Adhesives
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download M74-D (IS74-D) Iseal mechanical seal catalog
