Stokes Roots Pump Series (EDWARDS)
Ehrler and Beck offers the Stokes 6-inch series from Edwards, which features a rugged design for robust and reliable operation. It is available in sizes from 1040 to 6630 m3/h and is one of the most versatile and flexible boosters. For over 100 years, Stokes Roots pumps have stood for proven performance.
areas of application
- automotive industry
- chemical processing
- heat treatment
- Leak detection
- metallurgy
- PET processing
- Pharmaceutical Industry
- heat treatment
- Transformer drying and cable fluid treatment
- vacuum coating
- vacuum melting
- Pharmaceutical Industry
Individually configured
Ehrler and Beck offers a version without a motor or a version with a direct drive (speed range between 1,800 and 3,600 rpm). Depending on the type of industrial process, you can opt for vertical or horizontal gas flow. No pressure switches are required on the by-pass versions, making the Edwards Stokes one of the most versatile and flexible Roots pump range.
Streamlined design
Edwards Stokes Roots pumps are simple, reliable and offer longer service life. The Ringfeder locking elements allow excellent beat retention. The version with process separation is equipped with five mechanical seals on the Stokes 6″ and offers optimal protection of your process from dust and particle contamination.
Easy maintenance
Mechanical shaft seal extends service life and improves maintainability. The large oil sight glass and magnetic drain plugs make it easy to check the oil and extend its service life. In addition, Ehrler and Beck staff can guide your maintenance.
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Stokes 622 Roots pumps
Designation | Value |
||
2750 rpm | 3000 rpm | 3600 rpm | |
Nominal delivery volume m3/H | 5100 | 5525 | 6630 |
Max. pressure difference | 333 mbar | ||
Motor power 50 Hz at 3000 rpm | 18 | ||
Motor power 60Hz at 3600 rpm | 18 |
Stokes 615 Roots pumps
Designation | Value |
|||
1800 rpm | 2750 rpm | 3000 rpm | 3600 rpm | |
Nominal delivery volume m3/H | 1300 | 3375 | 3685 | 4420 |
Max. pressure difference | 506 mbar | |||
Motor power 50 Hz at 3000 rpm | 7.5-18kW | |||
Motor power 60Hz at 3600 rpm | 7.5-18kW |
Stokes 607 roots pumps
Designation | Value |
|||
1800 rpm | 2750 rpm | 3000 rpm | 3600 rpm | |
Nominal delivery volume m3/H | 1040 | 1589 | 1733 | 2080 |
Max. pressure difference | 506 mbar | |||
Motor power 50 Hz at 3000 rpm | 7,5 | |||
Motor power 60Hz at 3600 rpm | 15 |
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