SCREWLINE SP 250 screw vacuum pumps
The Screwline SP 250 screw vacuum pump was developed by Leybold for the special requirements of industrial applications. Reliable operation, compact design and low-maintenance vacuum solution.
Manufacturer: LEYBOLD
Series: Screw line series
Technology: screw vacuum pumps
TECHNICAL SPECIFICATIONS
| specification | Unit | 50Hz | 60Hz | |
| Effective pumping speed | m³/h | 270 | 330 | |
| Final pressure, total |
mbar | ≤ 0.01 | ≤ 0.005 | |
| Permitted max. suction pressure | mbar | 1030 | ||
| Max. outlet back pressure relative to ambient pressure | mbar | 200 / -50 | ||
| Permissible ambient temperature | °C | 10 to 40 | ||
| Water vapor tolerance with gas ballast | mbar | 60 | 75 | |
| Water vapor capacity with gas ballast | kg h-1 | 10 | 18 | |
| location | up to 3000 m (above sea level) | |||
| cooling | Air | |||
| Rated current at operating voltage | 32.0 A / 200 V (cos phi 0.88) 16.0 A / 400 V (cos phi 0.88) |
31.5 A / 210 V (cos phi 0.88) 15.5 A / 460 V (cos phi 0.88) |
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| rated capacity | kW | 7,3 | 9,2 | |
| Power consumption at ultimate pressure | kW | 5.9 @ 3ph 200V / 400V | 7.2 @ 3ph 200V / 400V | |
| energy efficiency class | IE 2 | |||
| engine speed | at least-1 | 2910 | 3490 | |
| Degree of protection | IP | 55 | ||
| thermal protection class | f | |||
| Lubricant filling (LVO 210) | l | 7 | ||
| Suction flange, standard
clamp flange |
ISO 1609-1986 (E)-63 (DN 63 ISO-K) |
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| Outlet flange, optional
clamp flange |
ISO 1609-1986 (E)-63 (DN 63 ISO-K) |
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| Materials (components in contact with gas) | aluminum, aluminum anodized, Carbon steel, CrNi steel, gray cast iron, FPM |
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| weight, approx | kg | 450 | ||
| sound pressure level | dB(A) | ≤ 68 | ≤ 72 | |
| Screw vacuum pump SP 250 (50/60 Hz) | default | ATEX | O2 |
| with sealing gas unit and manual gas ballast valve | 115 001 | ||
| with sealing gas unit and manual gas ballast valve, with rollers |
115 006 | ||
| with sealing gas unit and electromagnetic gas ballast, II 3/-G Ex h IIC 160 °C Gc II 3/-D Ex h IIIB T160 °C Dc 10°C <Ta<40°C |
115 003 | ||
| with sealing gas unit and electromagnetic gas ballast, with FFPM seals and purge vent kit, II 2/3G Ex h IIC 160 °C Gb / Ex h nA IIC 160 °C Gc II 3/3D Ex h IIIB T160 °C Dc / Ex h tc IIIB T160 °C Dc 10°C <Ta<40°C |
115 012V11 | ||
| with sealing gas unit and electromagnetic gas ballast | 115 019 |
| Screw vacuum pump SP 250 (50/60 Hz) | default | ATEX | O2 |
| exhaust silencer | 119 002 | 119 002 | 119 002 |
| Serviceable silencer | 119 003V | 119 003V | 119 003V |
| Outlet check valve (DN 65 PN 6) | 119 011 | – | – |
| Electromagnetic Gas Ballast Kit, 24V | 119 054V | – | – |
| Adapter for RUVAC 501/1001 | 119 022 | 119 022 | 119 022 |
| Seal gas retrofit kit | 119 031 | – | – |
| Filter adapter DN 63 ISO-K | 119 019 | 119 019 | – |
| dust filter | 951 68 | – | – |
| Purge Vent Kit | 119 061V | 119 061V | 119 061V |
| flushing kit | 119 015V02 | 119 015V02 | 119 015V02 |
| Oil change kit | EC 110 000 820 | EC 110 000 820 | EC 110 000 820 |
| Bolt inspection kit | EK 110 000 821 | EK 110 000 821 | EK 110 000 821 |
| Service kit sealing gas connection | EK 110 000 834 | EK 110 000 834 | EK 110 000 834 |
| Filter to gas ballast | 110,000,980 | 110,000,980 | 110,000,980 |
| Filter for sealing gas valve unit | €110,000,850 | €110,000,850 | €110,000,850 |
| absorbent felt | €110,000,850 | €110,000,850 | €110,000,850 |
| Service kit muffler | EK 500 003 476 | EK 500 003 476 | EK 500 003 476 |
| Gasket set non-return valve SP 250 | EK 110 000 828 | EK 110 000 828 | EK 110 000 828 |
| Seal kit RUVAC adapter SP 250 | EK 110 000 835 | EK 110 000 835 | EK 110 000 835 |
| Oscillating elements RUVAC adapter SP 250 | IT 110 000 2677 | IT 110 000 2677 | IT 110 000 2677 |
QUOTE REQUEST