The dimensions of the 20A11/H5 seal are shown above. Seals A11 in other sizes are shown in the configurator and catalogue card, available at the top of the page.
Legend
- 1. Stationary ring
- 2. Flat gasket
- 3. Pierścień obrotowy - mieszek
- 4. Springs
- 5. Spring housing
- 6. Clamping ring
- 7. Set screw
- 8. Bellows housing
- 9. Thrust ring
General characteristics
Single, outside mounted seal, balanced. Direction of rotation-independent. Bellows of PTFE. Multi-spring.
Range of sizes available
- Shaft diameter: d = 20 ... 80 mm
Operating parameters
- Pressure: < 0.9 MPa
- Temperature: < 120 °C
- Velocity: < 8 m/s (2500 rpm)
Applications
The A11 mechanical seal is designed to work with extremely aggressive chemical compounds which can contain some abrasive particles. Metal components of the A11 seal are isolated from the sealed medium. The A11 seal has a visual wear indicator and a rotating ring with a carbon graphite insert.
NOTE: It is not recommended to use the type A11 seal with the following media: dissolved alkaline metals, chlorine trifluoride, gaseous fluorine.
Materials
- Rotating ring: A, B
- Stationary ring : Q, V
- Secondary flexible seals: T1
- Spring (springs): M
- Other metal parts: G
