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622 5H25
Activair.cz > Products > Vacuum pumps and vacuum stations > Mechanical Boosters > Stokes 6" > 622 5H25
Stokes 6" series process isolation boosters are designed to be used in conjunction with rotary-piston, dry vacuum, rotary vane and liquid ring pumps to increase pumping speed at working pressures and shorten pump down time significantly.
Features and Benefits
- Mechanical shaft seal – improved life and serviceability
- Ringfeder® keyless gear locking system – stronger, faster timing
- Large shaft diameters – allowing improved performance at high pressures
- Belt drive or direct drive capability
- Vertical or horizontal gas flow
- Drive end roller bearing – resists belt pull and thermal effects
- Over-sized anti-friction bearings – increased uptime and longer service intervals
- Rugged proven design and construction
- Quiet operation
- Unique impeller design -Dynamically balanced to minimize vibration
- High volumetric efficiency
- High differential pressure – operation capability
- Available by-pass option for improved pumpdown
- Available process isolation seal option – optimum protection from dust and particulate contamination
Applications
- Automotive
- Chemical processing
- Heat treatment
- Leak detection
- Metallurgy
- PET processing
- Pharmaceuticals
- Thermal processing
- Transformer drying and cable fluid conditioning
- Vacuum coating
- Vacuum melting
- Many other industrial applications
| Technical data | |
| Displacement | |
| V belt (2750 rpm) | 5100m3h-1 / 3000ft3min-1 |
| Direct drive (3000 rpm) | 5525m3h-1 / 2350ft3min-1 |
| Direct drive (3600 rpm) | 6630m3h-1 / 3900ft3min-1 |
| Inlet/outlet flanges | 8” ASA/ANSI flange |
| Motor power EU/Asia | 18.5kW |
| Motor power US TEFC | 25hp |
| Cooling water | 7.6-11.4 lmin-1 / 2-3 gal min-1 |
| Oil capacity (horizontal flow) | 1.9 litre / 4.1gal |
| Oil capacity (vertical flow) | 4.1 litre / 8.8gal |
| Max pressure differential | 333mbar / 250Torr |
| Max temp rise | 121°C / 250°F |
| Max discharge temp | 177°C / 350°F |
| Weight bare shaft | 335kg / 740lbs |
| Weight TEFC direct drive | 625kg / 1370lbs |
| Recommended Oil | V- Lube H |