Legend
- 1. Stationary ring
- 2. O-ring
- 3. Rotating ring
- 4. Wedge gasket
- 5. Spring
- 6. Housing
- 7. Set screw
- 8. Thrust ring
- 9. Snap spring ring
General characteristics
Single seal, balanced, independent from the direction of rotation, multi-spring.
Range of sizes available
- Shaft diameter: d = 22 ... 130 mm
Operating parameters
- Pressure: < 2.5 ... 5.0 MPa
- Temperature: < 150 °C
- Velocity: < 20 m/s (4000 rpm)
Applications
The VBT is a general purpose mechanical seal with a wide range of applications and increased chemical resistance (PTFE secondary seal). It is designed for use with petrochemicals, not very aggressive chemicals and refrigerants.
Materials
- Rotating ring: A, B, Q
- Stationary ring : Q, S, U2, V
- Secondary flexible seals: T
- Spring (springs): M
- Other metal parts: G, M