- Mô tả
Mô tả
Features
- API 682 Category 2 and 3, Type C, Arrangement 2 and 3 seal
- Dual seal in face-to-back arrangement
- Balanced
- Cartridge unit
- Stationary metal bellows
- Shrink fitted seal rings and solid mating rings
Advantages
- Suitable for higher speeds
- Good followability due to no influence from run-out, squareness or vibration of the shaft
- Compact design
- Low heat generation and power consumption due to narrow seal face width
- Longer seal life
- Also available in double-ply design
- Suited for applications with extreme high and low temperatures
- Absence of dynamic O-Ring eliminates/reduces seal face hang-up
- Bellows design minimizes variation in face load due to shaft expansion or face wear
- Resistant to abrasive particles in the medium, no shaft or sleeve fretting
Materials
- Seal rings: Blister resistant carbon,
- Silicon carbide SSiC (Q1), RBSiC (Q2)
- Mating rings: Silicon carbide SSiC (Q1), RBSiC (Q2)
- Bellows: Inconel® 718 (M6)
- Secondary seals: Graphite (G)
- Metal parts: CrNiMo steel 316 (G),
- Carpenter® 42 (T4)
Standards and approvals
- API 682 / ISO 21049
- API 682 4th ed. Cat. 2/3 – 2CW-CW
- API 682 4th ed. Cat. 2/3 – 3CW-FB
