Mechanical Seal CB2D
Double balanced dual reverse pressure.
| Category | |
|---|---|
| Market | Chemical, Energy, Energy Production, Food, Petrochemical, Pharmaceutical, Raphinery, Water Treatment |
| Application | Bottom Side, Dryer, Pumps ISO/ANSI, Side Entry, Slurry Pumps, Top Entry, Volumetric Pumps |
Double cartridge mechanical seal with double hydraulic balancing suitable for services with pressurised auxiliary fluid or for auxiliary fluid at atmospheric pressure (see operating limits). Ideal for heavy-duty applications with dangerous liquids, at high temperatures and pressure.
Easy installation thanks to the new Fluistrip positioning device and to the flange slots which adapt to different stuffing boxes.
| DIAMETER | SPEED | PRESSURE | TEMPERATURE |
|---|---|---|---|
| 25 – 90 (mm) * | 0 – 12 (m/sec) | 0 – 25 (bar g) | -50 – 250 (°C) |
(*) for measurements in inches, please contact our technical sales office.
Features
- Springs outside the product and clean profile for enhanced reliability even with viscous products that crystallise and also in processes which require thorough cleaning.
- Double balance seal for enhanced performance, able to tolerate pressure reversals.
- Flushing connections for auxiliary systems (PLAN 52 o PLAN 53) or flushing from external source (PLAN 54 o PLAN 55).
- Slotted flange for more flexible mounting.
- Fluistrip: positioning device for correct and easy installation, to be pulled off after assembly but before starting-up the machine.
- Auxiliary seal in graphite/silicon carbide with flushing liquid outside the seal surfaces in order to prevent overheating.
- Bidirectional pumping device for flushing liquid.
- Patented rotating-ring drive device on atmosphere side with reduced axial dimensions.
- Optimised shaft sleeve to reduce envelope.
- Sliding drive device compensates for any movement and mantains contact with rotating ring.
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