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TYPE VD11
APPLICATION
High-Strength VD11 Metal Bellows Type. The VD11 metal bellows mechanical seal offers high strength and excellent corrosion resistance. It is widely used in the refinery, petrochemical, chemical, paper-making, and pharmaceutical industries. This seal type is recommended for high-temperature applications and aggressive mediums such as acids, caustics, sour water, and sour hydrocarbons.
| Item | Description |
| 1. | Stationary seat |
| 2. | Rotary seal ring |
| 3. | Secondary seal |
| 4. | Housing |
| 5. | Metal bellows |
| 6. | Secondary seal |
| 7. | Fixing screw |
| LIMITING FACTORS |
| D1= 12… 112 mm |
| p1= 69 bar |
| t= -75°C to 260°C |
| Vg= 17 m/s |
| pV= 170 bar m/s |
Features
Single mechanical seal
Inner
Metal bellows mechanical seals
Independent of the shaft rotating direction
Materials
Seal face: SiC, TC, Carbon Antimony impregnated
Stationary seat: SiC, TC
Secondary seal: FPM, FEP, Alfas
Metal Parts: AM 350, SS 316L, Inconel 718, Hastelloy C, Carpenter 42
Optional materials on request
If you have any questions or concerns about the MECHANICAL SEALS, please feel free to call or send us a message.