Mechanical Seal LP-D
Type in the Iseal : ISP-D
- Temperature: t = -20 °C … +140 °C (-4 °F … +284 °F) (180 °C (356 °F) with Kalrez® elastomers)
- Pressure: p1 … 25 bar (363 PSI), p3 <12 bar (174 PSI)
- Sliding velocity: vg … 20 m/s (66 ft/s)
- Stock content: <8 %
Non-flow operation:
- Temperature: t = +5 °C … +100 °C (+41 °F … +212 °F)
- Pressure: p1 max. 10 bar (145 PSI), p3 > p1
- Sliding velocity: vg <10 m/s (33 ft/s)
| Brand | Iseal |
|---|
Description
| Item | Designation |
| 1 | Seal face |
| 5 | Seat |
| 13 | Sleeve |
| 16 | Housing |
| 18 | Pin |
| 37 | Locking fixture |
| 2, 12, 15, 22, 23, 24, 25 | O-Ring |
| 43 | Plug |
Advantages Seal
- Individually integrated to equipment for the best sealing result
- Straightforward and easy installation
- Static springs on both face sides reduces influence of misalignment
- No damage of the shaft by dynamically loaded O-Rings
- Extended service life due to rugged design
- No brittle parts in contact with torque transmission pins
- Seal faces protected by strong steel parts and a large radial clearance
Features
- Integrated seal for Sulzer A pumps
- Dual seal, balanced
- Semi cartridge unit
- Independent of direction of rotation
- Double pressure balanced
- Internal barrier fluid circulation
- Static springs on both sides
- No dynamic O-Ring on shaft
- Rugged design
- Shrink-fitted seal faces
- Seal faces have a large clearance to the shaft
- Wear part cost minimized
- Optimized design for
- Non-Flow use
Materials
- Seal face: Silicon carbide (Q12), Carbon (A)
- Secondary seals: FKM (V), EPDM (E), FFKM (K)
- Metal parts: CrNiMo steel (G),
Grade 5A (4T), SMO 654 (4U)
Recommended applications
- Pulp and paper industry
- Chemical industry
- Clean, abrasive or corrosive liquids
- Stocks of various kind
- Applications where crystallization is a problem
- Sulzer Ahlstar A (MS11) centrifugal pumps
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Cuntact US
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download LP-D (ISP-D) Iseal mechanical seal catalog
