Quadrex offers a full range of Hydrogen, Zero Air, Nitrogen gas generators and accessories from F-DGSI for gas chromatography (GC / GC-MS), liquid chromatography-mass spectrometry (LC-MS) applications and other lab gas requirements.

F-DGSI is a leader in the manufacture and sale of gas generators with a Global presence in the market and 1000’s of installations.

Founded in Evry, France where its headquarters and research and development center is based, F-DGSI is a dynamic and innovative company in the gas generator sector, offering a benchmark in design, manufacture and technical assistance in the gas generator industry.

Thanks to their years of experience, F-DGSI has extensive knowledge of analytical laboratories and their applications. Their highly qualified staff provides expert technical advice to their customers and offers them the best possible solution according to their needs.

All facets of F-DGSI have the common goal of the customer’s satisfaction. Their technical support provides their clients with highly specialized information and advice in more than 50 countries around the world thanks to their dedicated service personnel and wide distributor network.

F-DGSI offers gas generators for GC and LC/MS and other laboratory applications where high purity and/or high volume gases are required.

F-DGSI Gas Generator Systems will improve laboratory safety and reduce or eliminate the costs and labor involved in changing cylinders. These Gas Generator Systems produce greater stability and repeatability, eliminating cylinder to cylinder variations, and allow you to run your instruments 24 hours a day with safety and confidence

F-DGSI Modular Alliance Gas Generators Series for GC Applications

The F-DGSI MODULAR ALLIANCE SYSTEM is the right solution for your GC detector and carrier gas supply, providing Hydrogen, Nitrogen, and Zero Air, in a sleek and appealing design, increasing Productivity, Safety, Efficiency, and Convenience.

The Modular Alliance stackable solution :

  • Produce high purity Hydrogen, Nitrogen and Zero-Air on-demand in stackable or rack-mounted configurations!
  • Allows you to add multiple generators as your gas and analysis demands change
  • Incorporates the latest technologies available in terms of safeguards and remote diagnostics, putting your lab one step ahead towards the future
  • Offers you a “Standard Gas Generator” as well as a “Sensitive Gas Generator” for Hydrogen and Nitrogen to suit your needs, depending on the “ limit of detection” you are looking for in your GC applications
  • For most GC detectors like FID, the standard purity gas is sufficient but for carrier gas use, high purity grade gas is recommended.
  • Alliance Series also includes a combined Hydrogen / Zero-Air Gas System for your FID fuel source

i-FLOW High Volume Hydrogen Generators – up to 9.9L/min at 99.99999% purity

The F-DGSI high flow i-FLOW-HYDROGEN STATION is able to generate up to 10 L/min Hydrogen with purity better than 99.9999% and pressures up to 16 bar (232 psi). The i-FLOW-H2 STATION 10L (3 modules of 3.3 L/min) includes the new long life multilayer electrolytic cell with polymeric membrane (PEM) using distilled water. The innovative gas drying system with automatic regeneration ensures the maximum grade of hydrogen purity, and is completely maintenance-free and allows continuous operation, 24 hours a day.The on-board processor constantly controls the operating parameters to guarantee full safety. The touch-screen LCD interface provides simple and user-friendly management of all unit functions.

Hydrogen Sensors for added working environment safety

All F-DGSI Hydrogen Generators come with internal leak sensors that automatically shut down the generator in the case of an internal system leak. Now you can have added peace of mind with F-DGSI HYDROGEN SENSORS for your GC oven or working environment. The F-DGSI Hydrogen sensors continuously monitor the amount of hydrogen present in the working environment or GC oven and will block the hydrogen generation if it detects an amount greater than the safety threshold.

Work with hydrogen and have peace of mind!

Alize High Purity Nitrogen Generators

The F-DGSI ALIZE HIGH PURITY NITROGEN GAS GENERATORS are some of best designed PSA Nitrogen Gas Generators available. Utilizing the reliable and efficient PSA technique of separating Nitrogen and Oxygen is used to produce high quality Nitrogen at various flows and purities. The Generator is controlled using the latest in HMI touch screen technology to display the process in real time, inlet/outlet pressures and oxygen level (optional). Configurations with or without a built-in air compressor are available.

Zero-Air Generators

F-DGSI’s ULTRA ZERO AIR GENERATORS are some of the most efficient hydrocarbon-free air purifier systems for laboratory use. Available with flow rates up to 50L/min. PSA technology is utilized to remove water vapor and heated catalyst technology to remove THC including methane to less than 0.05 ppm. This Ultra Zero Air station includes a built-in air compressor. The Generator is controlled using the latest in HMI touch screen technology to display the process in real time.

Maestro and Stream Series Nitrogen Generators for LC/MS

On-site high volume nitrogen generation with the MAESTRO AND STREAM SERIES replaces traditional gas sources such as cylinders, dewars, or bulk gas supply which incur on-going delivery, administrative and rental costs, all of which impact on business revenue or facility budgets. The MAESTRO SERIES is designed primarily for LC-MS applications. It is a self-contained system featuring integrated compressors that deliver laboratory-grade nitrogen at various pressures and flow rates as required by a large spectrum of LC-MS instruments available on the market. The STREAM SERIES are silent-running compressor-free systems for laboratories with an in-house supply of clean, dry air for LC-MS instruments including Agilent, Bruker, Perkin Elmer, Shimadzu, Thermo and Waters.

Both Series deliver nitrogen at a wide range of flow rates including models to satisfy more demanding applications such as multiple LC-MS or other laboratory applications such as sample evaporation and glove boxes. The larger TORNADO SERIES yield higher N2 flow rates if needed when several LC/MS systems are in the same lab.

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