Mechanical Seal Cartex Dual seal
Type in the Iseal : ISDuall
- Shaft diameter: d1 = 25 … 100 mm 1.000″ … 4.000″ Other sizes on request
- Temperature: t= -40 °C … 220 °C (-40 °F … 428 °F) (Check O-Ring resistance)
Sliding face material combination BQ1
- Pressure: p1 = 25 bar (363 PSI)
- Sliding velocity: vg = 16 m/s (52 ft/s)
Sliding face material combination Q1Q1 or U2Q1
- Pressure: p1 = 20 bar (290 PSI)
- Sliding velocity: vg = 10 m/s (33 ft/s)
Barrier fluid circulation system:
- p3max = 25 bar (363 PSI)
- Δp (p3 – p1)ideal = 2 … 3 bar (29 … 44 PSI)
- 7 bar (102 PSI) for barrier media with poor lubricating properties.
Pump startup:
- Δp (p3 – p1)max = 25 bar (363 PSI) allowed
| Brand | Iseal |
|---|
Description
| Item | Description |
| 1 | Seal face |
| 2, 5, 7, 10, 13, 15 | O-Ring |
| 3 | Spring |
| 4 | Seat |
| 6 | Shaft sleeve |
| 8 | Cover |
| 9 | Seal face |
| 11 | Spring |
| 12 | Seat |
| 14 | Drive collar |
| 16 | Set screw |
| 17 | Snap ring |
| 18 | Assembly fixture |
| 19 | Hex socket head screw |
| 20 | Gasket |
| 21 | Screw plug |
| 22 | Gasket |
Advantages
- Ideal seal for standardizations
- Universal applicable for packings conversions, retrofits or OEM
- No dimensional modification of the seal chamber (centrifugal pumps) necessary, small radial installation height
- No damage of the shaft by dynamically loaded O-Ring
- Extended service life
- No damage caused by dirt entered during assembly
- Straightforward and easy installation due to pre-assembled unit
- Individual adaptation to pump design possible
- Customer specific versions available
Features
- Dual seal
Cartridge - Balanced
- Independent of direction of rotation
- Double pressure balanced
- Integrated pumping device
- Variants available: for eccentric screw pumps (-Vario) and gas-lubricated version (-GSDN)
Materials
- Seal face: Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2)
- Seat: Silicon carbide (Q1)
- Secondary seals: FKM (V), EPDM (E), FFKM (K), Perfluorocarbon rubber/PTFE (U1)
- Springs: Hastelloy® C-4 (M)
- Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
Recommended applications
- Petrochemical industry
- Chemical industry
- Pharmaceutical industry
- Power plant technology
- Pulp and paper industry
- Mining industry
- Food and beverage industry
- Sugar industry
- Universally applicable
- Centrifugal pumps
- Eccentric screw pumps
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Cuntact US
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download cartex dual seal (ISDual seal) Iseal mechanical seal catalog
