Mechanical Seals
Conical Spring
Directional single conical spring seal that self-tightens with shaft rotation.
Compact mechanical seal employing a tapered conical spring that grips the shaft or sleeve, transmitting torque without set screws or drive pins. Complies with DIN 24960 (EN 12756) installation dimensions.

Product photo · Conical Spring
Specifications
Technical profile
- Design
- Conical tapered spring, rotation directional (RH / LH)
- Standard
- DIN 24960 / EN 12756 L1k short housing
- Shaft size
- 10 mm to 80 mm
- Face materials
- Steatite Ceramic / Carbon / Silicon Carbide
- Secondary seal
- FKM / EPDM / NBR O-rings
- Pressure rating
- Up to 10 bar
- Temperature
- -20 °C to +180 °C
Specifications are typical and vary by variant. Share your duty conditions for an exact recommendation.
Key benefits
Why this product
- Extremely compact axial length fits tight centrifugal pump housings
- Positive torque transmission via spring grip prevents shaft fretting
- No set screws required, eliminating shaft scoring and damage
- Widely standardized across European and DIN chemical pumps
Applications
Typical industries
ChemicalFoodBeverages
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Need this conical spring for your line?
Share your duty conditions and drawings — our team responds with a technical recommendation and a firm quote.


