UM3A
Heavy duty solutions for low and medium pressures operations

COMPONETS KEY
1. Stationary ring
2. Rotary face
3. Thrust ring
4. Seal body
9. Rotary face o-ring
10. Stationary ring
12. Setscrew
13. Spring
Categories: U, Component Seals
- Description
- Features
- Operating limits
- Additional information
Description
The UM3A is a single component seal. For this seal, type A has a pinned stationary seat, manufactured in accordance with UNI EN 12756 (ex DIN 24960). It is suitable for clockwise or anti-clockwise rotation. Because of the three drive lugs on the rotating body, it can tolerate high levels of vibration, and mechanical stress. The O-ring is easily removed and refitted when assembling the seal on shafts with keyways, threads or sharp edges.
- Single seal
- Bidirectional
- Resistant to acids and bases
- Resistant to mechanical stress
- Universal application
- Comply with UNI EN 12756
- Configured with FLUIGAM (energized dynamic o-ring)
| DIAMETER | SPEED | PRESSURE | TEMPERATURE |
|---|---|---|---|
| 20-100 (mm)* | 0-20 (m/sec) | Vacuum ÷ 12 (bar g) | -100 ÷ 250 (°C) |
(*) Inch dimensions are available upon request.
The maximum values are determined by the specific combination of operating conditions.
For further details, please contact us.
Additional information
| Category | Component Seals, U |
|---|---|
| Market | Chemistry, Energy, Petrochemical, Pharmaceutical & Food, Water treatment |
| Application | |
| Certification | 2.1, 3.1, ATEX, CE1935-2004, F.D.A. |









