Single cartridge seal designed in compliance with standards API 682 4th edition.

COMPONENT KEY
1. Stationary ring
2. Integral rotary ring
9. Rotary ring gasket
10. Stationary ring gasket
11. Sleeve gasket
13. Springs
16. Bushing
24. Flange gasket
- Description
- Features
- Operating limits
- Additional information
Description
The single seals allow a degree of emission containment suitable for limitedly demanding uses in terms of pollutant losses.
The film of liquid, which is established between the faces of the seal to obtain adequate lubrication, can vaporize due to the heating caused by friction, accelerating the dispersion of the fluid.
The BM8S solution is the result of a standardization process of engineered projects tested and created in accordance with the API 682 IV edition standard.
- Single cartridge seal, balanced and flange with fixed bush;
- Multiple springs for double direction of rotation;
- Springs external to the pumped liquid;
- Monolithic sealing rings;
- Tested and unique rotating ring drive system, designed to maintain efficiency even in the event of vibrations, misalignments and wear of the sealing rings;
- Connections for flushing, washing and/or drainage;
- Flange and shaft sleeve designed to customer specifications;
- Solution developed to provide installations on existing machines;
- Recommended for ASME B73.1 and B72.2 horizontal and vertical pumps.
| DIAMETER | SPEED | PRESSURE | TEMPERATURE |
|---|---|---|---|
| 20-110 (mm) | 0-20 (m/sec) | Vacuum ÷ 20 (bar g) | -40 ÷ 176 (°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 | API 682, Single pusher |
|---|---|
| Market | |
| Application | API pumps 610, Side Entry, Volumetric pumps, Water pumps boiler |
| Certification | 2.1, 3.1, ATEX, CE1935-2004, F.D.A. |








