Maintain Vacuum Unit

The WAU 1001 + DV 300 vacuum system combines Roots blower technology with a dry screw forepump to deliver a high-capacity, oil-free vacuum solution ideal for freeze-drying (lyophilization), industrial drying, and clean processing environments. This configuration offers fast evacuation, stable ultimate pressure, and contamination-free performance, making it perfect for critical applications in food, pet nutrition, nutraceuticals, and pharmaceuticals.

Model:WAU1001+DV300

Brand:Leybold

Weight（kg）：720

Vacuum Speed:1000 m³/h

Power Supply：480V/60Hz

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System Overview

  • DV 300 Dry Screw Pump: Acts as the primary pump, providing robust rough vacuum capabilities without oil contamination.

  • WAU 1001 Roots Booster: Installed in series to dramatically increase pumping speed in the fine vacuum range, reducing cycle time and improving process efficiency.

Key Features

  • High Pumping Speed

    • DV 300: 280 m³/h

    • WAU 1001: 1,200 m³/h booster capacity

  • Clean & Oil-Free Design

    • Dry screw technology avoids hydrocarbon contamination.

    • Essential for food and pharmaceutical compliance (FDA, EHEDG, ISO 22000).

  • Efficient Vacuum Performance

    • Ultimate pressure: < 0.01 mbar (combined system).

    • Stable operation under heavy vapor loads typical of freeze-drying.

  • Energy Optimization

    • Automatic Roots pump bypass valve for safe, efficient startup.

    • Low energy consumption compared to oil-sealed systems.

  • Durability & Integration

    • Heavy-duty build for 24/7 operation.

    • PLC/HMI control options, with remote monitoring (IoT-enabled).

Technical Specifications

ComponentPumping SpeedUltimate PressureCoolingDV 300280 m³/h0.01 mbarAir/WaterWAU 10011,200 m³/hBoosts DV rangeAir

  • Noise Level: < 75 dB(A)

  • Motor: Energy-efficient 3-phase motors

  • Connections: ISO or ANSI flanges for easy integration

Applications

  • Freeze-Drying (Pet Food, Nutraceuticals, Pharma)

  • Moisture-Sensitive Industrial Processes

  • Clean Room & GMP Environments

Benefits

  • Fast Evacuation: Shorter batch cycle times.

  • Zero Contamination: No oil in process chamber.

  • Lower Maintenance: Long intervals between service.

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