Edwards Rotary Vane Two-Stage Vacuum Pump – E2M40

The Edwards E2M40 is a powerhouse two-stage rotary vane vacuum pump engineered for precision, reliability, and long-term performance. Compact yet robust, it delivers rapid pumping speeds, an impressive ultimate vacuum, and excellent vapor handling capabilities. Its direct-drive design keeps operation smooth and vibration-free, while integrated safety features, like finger-proof housings, make it a trusted choice for laboratories, research facilities, and industrial environments. With its quiet operation and durable build, the E2M40 consistently delivers the stable vacuum conditions required for demanding applications.

At HiTechTrader, we make advanced vacuum technology like the Edwards E2M40 more attainable by offering expertly refurbished and pre-owned units. Each pump is inspected and performance-verified to ensure it meets rigorous laboratory and industrial standards. This means you get the same dependable pumping speed, vapor management, and quiet operation as a new model, at a fraction of the cost. For labs conducting thin-film deposition, analytical testing, or vacuum metallurgy, and for industrial users needing a compact, durable system, the E2M40 is a proven solution that saves both time and budget without compromising performance.

Performance Highlights

1. Pumping Speed: 21.8 cfm / 37.0 m³/hr at 50 Hz; 25.9 cfm / 44.0 m³/hr at 60 Hz
2. Ultimate Vacuum: 1.0 × 10⁻³ mbar (7.7 × 10⁻⁴ Torr) without gas ballast; 7.0 × 10⁻³ mbar (5.4 × 10⁻³ Torr) with ballast
3. Water Vapor Handling: Up to 0.2 kg/h (0.4 lb/h) with ballast
4. Noise Level: Just 65 dB(A), ideal for quiet lab or facility environments

Mechanical & Construction Details

1. Design: Two-stage rotary vane for superior vacuum performance
2. Motor Power: 1.5 kW (50 Hz) / 2.0 kW (60 Hz)
3. Oil Capacity: 1.32–3.5 liters; optimized with Ultragrade 70
4. Cooling: Efficient convection-cooled system
5. Safety: IP44/IP54 motor protection, finger-proof housings
6. Connections: ISO40-F inlet and NW25 outlet flanges
7. Size & Weight: 240 × 665 × 397 mm; 75–82 kg

Key Features & Benefits

1. Direct-drive design for minimal vibration and reduced maintenance
2. Exceptional vapor handling prevents condensation build-up
3. Quiet, compact system ideal for both lab and industrial settings
4. Built for long service life with rugged construction
5. Flexible compatibility across diverse vacuum applications

Safety & Maintenance Guidelines

1. Verify proper inlet/outlet connections and secure flanges
2. Maintain correct oil levels with Ultragrade 70
3. Ensure ventilation for effective convection cooling
4. Stay within rated limits for pressure and vapor inlet
5. Perform regular maintenance with factory service kits

Applications

1. Laboratory & research vacuum systems
2. Analytical instruments and thin-film deposition
3. Metallurgy and material science workflows
4. Industrial vacuum processes requiring reliable, quiet operation

Why Buy from HiTechTrader?

At HiTechTrader, we specialize in extending the life and value of trusted laboratory equipment like the Edwards E2M40. Our refurbished units are fully inspected, tested, and guaranteed with a 30-day evaluation period and limited warranty. By choosing pre-owned, you gain significant cost savings without losing the reliability or performance your work depends on. With decades of expertise serving universities, industrial facilities, and research organizations worldwide, HiTechTrader ensures you not only get dependable equipment, but also professional guidance and support to help your lab or facility grow with confidence.