Datasheet · ISPL 2401
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Pump seals
ISPL 2401 Conical Spring Seal
ISPL 2401 is a single-acting, unbalanced seal with a conical spring, mounted inside the stuffing box. It suits circulating, submerged and sewage pumps, and the juice, syrup and water pumps of a sugar mill.
- Type
- Single, unbalanced
- Rotation
- LH/RH
- Shaft size
- 20–100 mm0.79–3.94 in
- Pressure
- up to 10 kg/cm²≤ 10 kg/cm²up to 142 psi≤ 142 psi
- Temperature
- up to 100 °C≤ 100 °Cup to 212 °F≤ 212 °F
- Spring
- Conical

Datasheet
Specifications
| Parameter | Limit | Unit | Copy |
|---|---|---|---|
| Shaft diameter | 20–1000.79–3.94 mmin | mmin | |
| Pressure | up to 10≤ 10up to 142≤ 142 kg/cm²psi | kg/cm²psi | |
| Temperature | up to 100≤ 100up to 212≤ 212 °C°F | °C°F | |
| Surface speed | up to [0.0]≤ [0.0] m/sft/s | m/sft/s | |
| Rotation | LH/RH | – |
| Part | Options | Copy |
|---|---|---|
| 1 · Seal faces | [Face combinations] | |
| 2 · Springs | [Grade] | |
| 3 · Secondary seals | [Elastomer and PTFE options][Elastomer options] | |
| 4 · Gland plate | [Grade] | |
| 5 · Sleeve and other metal partsSleeve, metal parts | [Grades] |
Applications
Where it's used
Industries
Equipment
- Circulating pumps for water and heating systems
- Submerged pumps
- Sewage pumps
- Sugar mill pumps for juice, syrup, maceration and process water
Circulating pumps for water and heating systems, submerged pumps, sewage pumps and sugar mill pumps for juice, syrup, maceration and process water.
Design
Design features
-
Conical spring
A single conical spring loads the faces.
-
Inside mounted
Fits inside the stuffing box.
-
Single acting
A single-acting, unbalanced design.
-
Sugar mill duty
Juice, syrup, condensate and spray water pumps.
Files
Downloads
Datasheets open without a form. Drawings are sent on request.
FAQ
Questions buyers ask
Does ISPL 2401 work in either direction of rotation?
No. It depends on the direction of rotation, so tell us which way the shaft turns when you order.
What do you need from me to quote?
Shaft size, speed, temperature, pressure and the fluid. A photo of the old seal or its nameplate helps.
How long does delivery take?
After order confirmation: 2 days from stock, 2 weeks for a new seal.
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