BS3A
Heavy duty solutions for medium and high pressures operations.
COMPONENTS 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
- Description
- Features
- Operating limits
- Additional information
Description
Heavy duty solutions for medium and high pressures operations, BS3A is widely used on multistage and boiler feedwater pumps. The BS3A has a type A pinned stationary seat, pressure balanced, manufactured in accordance with UNI EN 12756 (ex DIN 24960).
It is suitable for clockwise or anti-clockwise rotation.
With the three drive lugs on the rotating body, the mechanical seal can tolerate high levels of vibration and mechanical stress.
The O-ring is easily removable and refitted when assembling the seal on shaft with keyways, threads or sharp edges. The BS3A is supplied with a single spring and is suitable for moderately dirty liquids.
- Bidirectional
- Balanced
- Dirty liquids
- 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 ÷ 75 (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 | B, Component Seals |
|---|---|
| Market | Chemistry, Energy, Petrochemical, Pharmaceutical & Food, Water treatment |
| Application | ISOANSI pumps, Side Entry, Volumetric pumps, Water pumps boiler |
| Certification | 2.1, 3.1, ATEX, CE1935-2004, F.D.A. |
