Mechanical Seal HRN
Type in the Iseal : ISHRN
- Shaft diameter: d = 18 … 100 mm (0.71″ … 3.94″)
- Pressure: p1) = 25 bar (363 PSI)
- Temperature: t = -40 °C … +220 °C (-40 °F … 428 °F)
- Sliding velocity: vg = 20 m/s (66 ft/s)
- Axial movement: ±1.0 mm
| Brand | Iseal |
|---|
Description
| Item | Part no. to DIN 24250 | Description |
| 1.1 | 472 | Seal face |
| 1.2 | 412.1 | O-Ring |
| 1.3 | 485 | Retainer |
| 1.4 | 477 | Spring |
| 1.5 | 412.2 | O-Ring |
| 2 | 475 | Seat |
| 3 | 412.3 | O-Ring |
| 4 | 485 | Drive collar |
| 5 | 412.4 | O-Ring |
| 6 | 904 | Set screw |
Advantages
- Safe operation (no fractures) because of seal face locking by square pin
- Spring unit averted from the product so no sticking and clogging of the springs
- Suitable for pressure reversals
- Operation in vacuum without additional seat locking possible
- No damage of the shaft by a dynamically loaded O-Ring
- Small installation sizes
- Best suitable for conversions, no adaptations of the pump
- Insensitive to solid containing and abrasive media
- Advantages of a balanced seal even with plain shafts
- Insensitive to shaft movements because of the stationary design
Features
- Single seal
- Balanced
- Independent of direction of rotation
- Stationary springs
- Dual seals in tandem as well as back-to-back arrangements (also in combination with H10 seal)
Materials
- Seal face: Carbon graphite resin impregnated (B), Silicon carbide (Q1)
- Seat: Silicon carbide (Q1)
- Secondary seals: FKM (V), NBR (P), FFKM (K), PTFE (T)
- Springs: Hastelloy® C-4 (M)
- Metal parts: CrNiMo steel (G)
Recommended applications
- Water and waste water technology
- Refining technology
- Dirty, abrasive and solid containing media
- Fugitive hydrocarbons (no API seal!)
- Sticky and stringy media
- Chemical standard pumps
- Sewage pumps
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download HRN (ISHRN) Iseal mechanical seal catalog
