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61B 5H25
Activair.cz > Products > Vacuum pumps and vacuum stations > Mechanical Boosters > Stokes 6" > 61B 5H25
Stokes 61B 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) | 3375m3h-1 / 2000ft3min-1 |
| Direct drive (3000 rpm) | 3685m3h-1 / 2170ft3min-1 |
| Direct drive (3600 rpm) | 4420m3h-1 / 2600ft3min-1 |
| Inlet/outlet flanges | 8” ASA/ANSI flange |
| Motor power EU/Asia | 18.5kW |
| Motor power US TEFC | 25 hp |
| By-pass available | Yes |
| Cooling water | 7.6 - 11.4l min-1 / 2 - 3gal min-1 |
| Oil capacity (horizontal flow) | 1.9 litre / 4.1gal |
| Oil capacity (vertical flow) | 4.1 litre / 8.8gal |
| Max temp rise | 135°C / 275°F |
| Max discharge temp | 191°C / 375°F |
| Weight bare shaft | 284kg / 625lbs |
| Weight TEFC direct drive | 538kg / 1185lbs |
| Recommended Oil | V- Lube H |