Double lubricated seal.

COMPONENT KEY
1. Stationary ring
1a. Stationary ring
2. Rotating ring
2a. Rotating ring
9. Rotating seal gasket
9a. Rotating ring gasket
10. Stationary ring gasket
10a. Stationary ring gasket
10b. Stationary ring gasket
11. Atmosphere side sleeve gasket
11a. Product side sleeve gasket
13. Springs and other parts
24. Flange gasket
Rp. A – Rp. B: auxiliary fluid input/output
- Description
- Features
- Operating limits
- Additional information
Description
A preassembled back to back double cartridge seal with materials of construction selected according to specific operating conditions. Since 1988, this tried and trusted design has been fitted in thousands of chemical and pharmaceutical plants around the world. The GT1821A is available with dimensions compliant with DIN 38138 (flange) and DIN 28159 (shaft).
- Robust, carefully designed seal rings.
- FLUIGAM: product side PTFE energized gasket.
- Single body double seal to reduce axial lenght.
- Retained stationary ring to prevent blow out during reverse presssure.
- Robust drive lugs that can tolerate run-out and vibration.
- Optional: sanitary flange to prevent product contamination and cooling flange for high temperature applications.
- Optional thermocouple for ATEX applications.
- Positioning device for easy, precise installation.
- Drive collar designed to prevent locking screws damaging the shaft.
- Flushing connections designed to ensure air is always vented.
- Multiple springs outside the product for uniform load on the seal faces.
| DIAMETER | SPEED | PRESSURE | TEMPERATURE |
|---|---|---|---|
| 35-220 (mm)* | 0-10 (m/sec) | Vacuum ÷ 18 (bar g) | -50 ÷ 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 | GT-Type Double Seals, Mixer Mechanical Seals |
|---|---|
| Market | Chemistry, Petrochemical, Pharmaceutical & Food, Water treatment |
| Application | |
| Certification | 3.1, ATEX, CE1935-2004, F.D.A. |








