US4A
Heavy duty solution for low and medium pressures operations.
ELEMENTS
1. Stationary ring
2. Rotary face
3. Thrust ring
4. Seal body
9. Rotary face o-ring
10. Stationary ring
12. Setscrew
13. Spring
- Description
- Features
- Operating limits
- Additional information
Description
Heavy duty solution for low and medium pressures operations, US4A is widely used in the chemical industry and waterworks.
The US4A is the shorter version of US3A, single component seal with a type A pinned stationary seat and it allows rotation in two directions. 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.
The US4A version in supplied with a single spring and is more suitable for moderately dirty liquids.
- Single seal
- Bidirectional
- Suitable for dirty liquids
- Resistant to acids and bases
- Resistant to mechanical stress
- 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. |
