

The dimensions of the 25E2/A0 seal are shown above. Seals E2 in other sizes are shown in the configurator and catalogue card, available at the top of the page.
Legend
- 1. Stationary ring
- 2. O-ring
- 3. Rotating ring
- 4. Housing with metal bellows
- 5. Sealing ring
- 6. Clamping screws
- 7. Clamping ring
- 8. Socket head screw
General characteristics
Single seal with metal bellows, balanced, independent from the direction of shaft rotation.
Elastomer O-rings are replaced with flexible graphite gaskets, owing to which the seal can be operated in temperatures higher than the E1 seal.
Range of sizes available
- Shaft diameter: d = 25 ... 100 mm
Operating parameters
- Pressure: < 2.0 MPa
- Temperature: < 400 °C
- Velocity: < 20 m/s (4000 rpm)
Applications
The E2 mechanical seal is used in petrochemical, chemical and pharmaceutical industries. It is designed to operate with hot oils, fuels and other hydrocarbons, liquid gases and other media containing small amounts of abrasives.
Available options
Available with materials compliant with FDA and EC 1935/2004.
Materials
- Rotating ring: A, B, Q
- Stationary ring : Q
- Secondary flexible seals: G
- Bellows: G, M
- Other metal parts: M, T2