PCI Gases

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12201 Magnolia Avenue
Riverside, CA 92503-4820
About PCI Gases
  • PCI Gases is a supplier of Vacuum Swing Adsorption (VSA) Oxygen Generation Systems for municipal and industrial water and wastewater treatment applications. PCI manufactures standard systems with oxygen production capacities in the range of 340 lbs per day to 21,000 lbs per day.

    VSA Technology
    To produce oxygen from air, PCI uses a proprietary Vacuum Swing Adsorption (VSA) process that eliminates many of the design problems associated with traditional Pressure Swing Adsorption (PSA) systems.


    PCI has been manufacturing air separation systems for more than 30 years and VSA systems for 15 years. There are over 600 DOCS Systems installed globally in applications such as Ozone Water & Wastewater Treatment.
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Products by PCI Gases
  • DOCS® 5000 VSA Oxygen Generation System

    •Oxygen Capacity: 5000 lpm | 21,000 lbs per day | 9,534 kg per day •Oxygen Purity: 93% +/- 3% •Oxygen Pressure W/Compressor: 20 - 60 psig | 1.4 – 6.9 barg •W/Out Compressor: 7 - 10 psig | 0.48-0.69 barg •Operating Temperature:0°F to 120°F | -18°C to 49°C •Power Input: 460/380 VAC,... Read more
  • DOCS® 1500 VSA Oxygen Generation System

    •Oxygen Capacity: 1500 lpm | 6,400 lbs/day | 2,905 kg/day •02 purity @ discharge flow rate: 93% +/- 3% •02 output pressure w/ compressor: 20 - 100 psig | 1.4 – 6.9 barg •02 output pressure w/out compressor: 7 - 10 psig | 0.48-0.69 barg •Operating temperature: 0°F to 120°F | -18°C to... Read more
  • DOCS® 500 VSA Oxygen Generation System

    •Oxygen Capacity: 500 lpm | 2,100 lbs/day | 954 kg/day •02 purity: 93% +/- 3% •02 pressure: 20 - 100 psig | 1.4 – 6.9 barg •Operating temperature: 0°F to 120°F | -18°C – 49°C •Operating power: 460/380 VAC, 3-phase, 60/50 Hz •Power consumption: 18 kW @ 20 psig | 18.9 kw @ 55 psig •Base... Read more
White Papers by PCI Gases
  • VSA Systems Offer an Economical and Reliable Means of Oxygen Supply for Water and Wastewater Applica By

    This brochure provides and overview of PCI Gases' DOCS VSA Oxygen Generation Systems and the applications for on-site oxygen supply for the water treatment and wastewater treatment facilities. Read more
  • Advantages of VSA vs PSA Oxygen Generators - Total Cost of Ownership and Power Savings By

    PCI Gases , a California-based manufacturer of oxygen generators used in water and wastewater applications, conducted an energy study on behalf of a Southern California municipality. This study compared life cycle costs of two technologies—Vacuum Swing Adsorption (VSA) and Pressure Swing... Read more