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ULVAC GCD-X Series Corrosion-Resistant Oil-Sealed Rotary Vane Vacuum Pump

The ULVAC GCD-X Series is a two-stage oil-sealed rotary vane vacuum pump developed for processes involving corrosive gases, chemical vapors, and water vapor. Thanks to the corrosion-resistant materials and special surface treatments used inside the pump, it delivers long-lasting and reliable performance under aggressive process conditions. With its gas ballast system, high vacuum performance, and robust mechanical construction, it provides efficient vacuum solutions for a wide range of applications, from laboratories to the chemical and process industries.

Key Features

• High resistance to corrosive gases and chemical vapors
• High vacuum performance with a two-stage rotary vane design
• Stable operation in applications involving water vapor thanks to the gas ballast system
• Suitable for precision vacuum applications with low ultimate pressure
• Anti-suckback mechanism that protects the system during power failures
• Low vibration and quiet operation
• Easy maintenance and long service life
• Robust mechanical construction designed for industrial use

Application Areas

GCD-X Series vacuum pumps are widely used in applications involving corrosive gases and chemical processes:

• Chemical and petrochemical processes
• Laboratories and research centers
• Vacuum drying systems
• Vacuum filtration systems
• Chemical vapor transfer applications
• Gas analysis systems
• Helium leak testing systems
• Backing pump applications for turbomolecular pumps
• General industrial vacuum processes

Technical Advantages

The GCD-X Series offers solutions for different capacity requirements with the GCD-051X, GCD-136X, and GCD-201X models. With pumping capacities ranging from approximately 50 L/min to 240 L/min, the series stands out with its ultimate pressure of up to 0.67 Pa (0.0067 mbar) and high corrosion resistance. Thanks to its special surface treatments, gas ballast system, and robust mechanical construction, it delivers long-lasting, reliable, and stable vacuum performance in aggressive process environments while reducing maintenance costs and improving system efficiency.