Edwards Vacuum Pump Buying Guide

Key Considerations

• Determine required pumping speed and ultimate vacuum.
• Assess gas compatibility and potential corrosion.
• Evaluate space constraints and mounting options.
• Consider noise levels and vibration sensitivity.
• Factor in maintenance requirements and service intervals.

Performance Specifications

• Compare ultimate vacuum levels for desired applications.
• Analyze pumping speed curves at different pressures.
• Check water vapor handling capacity for wet processes.
• Review motor power and voltage requirements.
• Examine operating temperature range and cooling needs.

Features and Benefits

• Look for anti-suck back protection to prevent oil contamination.
• Consider gas ballast options for handling condensable vapors.
• Evaluate ease of maintenance and availability of spare parts.
• Assess noise and vibration levels for a comfortable work environment.
• Check for universal motor compatibility with different voltages.

Maintenance and Reliability

• Choose pumps with easy access to oil level and drain plugs.
• Consider models with robust construction and reliable components.
• Factor in the cost and availability of replacement parts.
• Check the recommended oil type and change intervals.
• Evaluate the pump's track record for reliability and longevity.

Essential Accessories

• Consider purchasing the correct grade of vacuum pump oil.
• Ensure compatibility of oil drain plugs.
• Check for the availability of inlet and outlet adapters.
• Evaluate the need for vibration isolation mounts.
• Assess the need for exhaust filters or traps.