Edwards nES220 Single Stage Rotary Vane Vacuum Pump (Oil Sealed)
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Edwards nES220 Single Stage Rotary Vane Vacuum Pump (Oil Sealed)
Edwards nES220 is an oil-sealed single stage rotary vane vacuum pump designed for high-capacity rough vacuum applications in industrial, laboratory, and process environments.
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Description
Product Overview
The Edwards nES220 Single Stage Rotary Vane Vacuum Pump is a high-capacity oil-sealed mechanical vacuum pump engineered for demanding industrial and process vacuum applications. Using proven rotary vane technology, the nES220 offers significantly higher pumping speed, making it ideal for systems requiring fast evacuation and stable rough vacuum performance.
Its oil-sealed construction ensures effective internal sealing, lubrication, and thermal management, delivering consistent vacuum levels and extended service life. The nES220 is suitable for continuous duty operation and is commonly used as a standalone vacuum pump or as a backing pump for diffusion and turbomolecular vacuum systems.
Product images are representative. Actual model appearance may vary based on configuration.
Key Features
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Single stage oil-sealed rotary vane vacuum pump
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High pumping speed for demanding applications
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Proven rotary vane technology for long service life
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Robust industrial construction
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Stable, low-vibration operation
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Designed for continuous duty operation
Technical Specifications
| Parameter | Specification |
|---|---|
| Pump Type | Single Stage Rotary Vane (Oil Sealed) |
| Maximum Displacement (50 Hz) | 200 m³/h |
| Maximum Displacement (60 Hz) | 240 m³/h |
| Pumping Speed (50 Hz) | 179 m³/h |
| Pumping Speed (60 Hz) | 214 m³/h |
| Ultimate Vacuum (without gas ballast) | 0.08 mbar |
| Ultimate Vacuum (with gas ballast) | 0.7 mbar |
| Inlet Connection | ISO 63-F / G2 |
| Outlet Connection | ISO 63-F / G2 |
| Motor Rated Power (50 Hz) | 4.4 kW |
| Motor Protection | IP55 |
| Cooling | Air-cooled |
| Noise Level (50 Hz) | 69 dB(A) |
| Oil Refill Capacity | 7.5 litres |
| Recommended Oil | Edwards ULTRAGRADE Performance 70 or ULTRAGRADE Endurance Extend 110 |
Applications
Suitable for use in a wide range of vacuum systems, including:
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Research & Development
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Semiconductor processing
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Aerospace and space simulation systems
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PVD / CVD coating systems
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Chemical and process vacuum setups
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Industrial vacuum pipelines
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Pharmaceutical and laboratory vacuum systems
Actual usage and configuration depend on process and system requirements.
Why Buy from Ultrahivac
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Reliable industrial-grade Edwards vacuum pumps
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Technical support for pump selection and system integration
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Support for vacuum pump oils, spares, and accessories
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Trusted supplier for research, industrial, and process vacuum users
FAQs
Is the Edwards nES220 an oil-sealed vacuum pump?
Yes, the nES220 is an oil-sealed single stage rotary vane vacuum pump.
Can the nES220 be used for continuous operation?
Yes, it is designed for continuous duty operation under recommended conditions.
Is the nES220 suitable as a backing pump?
Yes, it is commonly used as a backing pump for diffusion pumps and turbomolecular pumps.






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