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E2M275
Features and Benefits
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Advanced pressurised oil circuit to give effective lubrication even under high gas loads
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When the pump is switched off, the spring loaded distributor valve provides oil and air suck-back protection
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Gas Ballast control to assist in handling high water vapour loads
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Industrial roller bearings on drive shaft for ultimate reliability and long, trouble free life
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Full height oil sight glass for easy checking of oil level and condition
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Easy change oil filter, with oil filter condition gauge on larger models
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Central inlet port to allow easy mounting of mechanical booster pump if required
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Easy to maintain, with convenient service kits and international customer support.
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A wide range of accessories to match your application needs
- The pumps and accessories can be supplied either as individual components or as fully systemised, factory-tested combinations.
Applications
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Vacuum metallurgy processes
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Thin film coating technologies
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Pharmaceutical freeze drying
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Refrigeration and air conditioning system evacuation, drying, and backfilling
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Transformer and cable drying and impregnation, insulating oil treatment plant
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Lamp manufacture
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Cryogenic vessel evacuation
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Vacuum drying and distillation in chemical industries
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Semiconductor device manufacture
- Backing pump for high vacuum applications
| Technical data | |
| Displacement | |
| 50Hz | 292 m3h-1 / 172 ft3min-1 |
| 60Hz | 350 m3h-1 / 206 ft3min-1 |
| Speed (Pneurop) | |
| 50Hz | 255 m3h-1 / 150 ft3min-1 |
| 60Hz | 306 m3h-1 / 180 ft3min-1 |
| Number of stages | 2 |
| Ultimate vacuum (total pressure) | |
| Without gas ballast | 1.0 x 10-3 mbar / 7.7 x 10-4 Torr |
| With gas ballast | 5.0 x 10-3 mbar / 3.8 x 10-3 Torr |
| Inlet connection | ISO63 blank flange with seal |
| Outlet connection | ISO40 flange centre tapped |
| Max outlet pressure | 0.5 bar gauge |
| Max inlet pressure for water vapour | 12 mbar / 9 Torr |
| Max water vapour pumping rate | 2.3 kg h-1 / 5.1 lb h-1 |
| Weight | 253 kg / 558 lb |
| Motor protection rating | IP55 |
| Motor power | |
| 50Hz | 7.5 kW / 10 hp |
| 60Hz | 8.5 kW / 11 hp |
| Standard oil capacity | |
| maximum | 28 litre / 29.5 qt |
| minimum | 19 litre / 20 qt |
| Recommended oil | Ultragrade 70 |
| Noise level | 75 dB (A) |
| Water cooling requirement | 2 lmin-1 |
- E1M175S/275S and E2M175S/275S Instruction Manual (pdf, 1199KB)