The Edwards E2M28 is a two-stage, oil-sealed rotary vane vacuum pump renowned for its high ultimate vacuum, rapid pumping speed, and quiet operation. Designed for both laboratory and industrial applications, it effectively handles vapours and operates reliably over extended periods.

Key Features:

• High Pumping Speed: At 60 Hz, the E2M28 delivers a displacement of 22.3 CFM (38.9 m³/h), ensuring efficient evacuation of air and gases.
• Ultimate Vacuum: Achieves an ultimate pressure of 7.5 x 10⁻⁴ Torr (1 x 10⁻³ mbar) without gas ballast, suitable for applications requiring deep vacuum levels.
• Quiet Operation: Operates at 57 dB(A) at 50 Hz, providing a quiet working environment.
• Vapor Handling: Equipped with a gas ballast valve to efficiently manage vapor loads, making it ideal for processes involving moisture and solvents.
• Durable Design: Constructed for long-term operation with robust components, including a thermal overload device (for single-phase models) to prevent overheating.
• Maintenance-Friendly: Features an O-ring sealed sight glass for easy monitoring of oil levels and conditions, simplifying maintenance procedures.

Specifications:

• Motor Power: 0.75 kW at 50 Hz and 0.90 kW at 60 Hz, providing reliable performance across various applications.
• Operating Temperature Range: 13 to 40°C, suitable for diverse environmental conditions.
• Oil Capacity: Maximum of 1.5 litres, with a recommended operating range between 1.2 to 1.5 litres.

Applications:

The E2M28 is versatile and suitable for various applications, including:

• Sterilization
• Mass spectrometry
• Vacuum distillation
• Epoxy degassing
• Freeze drying
• Space research
• Refrigeration dehydration
• Vacuum ovens
• Backing combinations
• Thin film coating
• Other vacuum processes