Description
ATOMFAIR® GB‑7942 SINGLE STATION INERT GAS GLOVE BOXRESEARCH GRADE MATERIAL
|
|||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||
|
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
|
|||||||||||||||||||||||||||||||||||||||||||||
|
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
|
|||||||||||||||||||||||||||||||||||||||||||||
The glove box requires a continuous supply of high-purity inert gas (N₂, Ar, or He) and must operate within a pressure range of ±15 mbar to maintain atmosphere purity below 1 ppm of water and oxygen. The purification column undergoes periodic regeneration using a gas mixture containing 5–10% hydrogen, which presents a fire and explosion hazard requiring proper ventilation and monitoring.
- Gas Purity Requirement: Use inert gases with purity ≥99.999% to prevent contamination of the purification materials.
- Pressure Limit: The system automatically protects when internal pressure exceeds ±16 mbar; do not override safety interlocks.
- Regeneration Safety: Perform regeneration only under PLC automatic control in a well-ventilated area to avoid hydrogen accumulation.
- Vacuum System Maintenance: Maintain the EDWARDS RV12 vacuum pump to achieve an ultimate vacuum of ≤ 2×10⁻¹ Pa for proper chamber evacuation.
- Sensor Calibration: Calibrate the ZrO₂ oxygen analyzer and water analyzer periodically to ensure accurate readings below 1 ppm.
This procedure describes the startup, pressure control, and regeneration steps to establish and maintain an inert atmosphere with water and oxygen levels below 1 ppm. Follow these steps sequentially to ensure safe operation and prevent environmental contamination.
Required Equipment: EDWARDS RV12 Vacuum Pump, SIEMENS PLC Control System, Touchscreen Interface, Foot Pedal for Pressure Adjustment
- Inspect System Integrity
Inspect all seals, glove ports, and transfer chamber doors for damage or leaks before initiating startup. - Connect Gas Supply and Set Pressure
Connect the high-purity inert gas supply to the inlet and set the operating pressure to the desired value within ±15 mbar using the touchscreen. - Activate Circulation and Purification
Start the circulation fan via the PLC to begin closed-loop gas purification until water and oxygen analyzers read below 1 ppm. - Evacuate Transfer Chambers
Evacuate both the large and small transfer chambers using the vacuum pump to remove air before introducing samples. - Perform Regeneration Cycle
Initiate the automatic regeneration program on the PLC when purification capacity is depleted, using the specified hydrogen mixture and ensuring adequate ventilation.
What is the allowable chamber pressure range for the Atomfair GB-7942 glove box, and how does the automatic protection threshold affect experiments requiring slight overpressure?
The Atomfair GB‑7942 allows free pressure setting within ±15 mbar via PLC control, with automatic system protection when the pressure exceeds ±16 mbar. This narrow range ensures atmosphere integrity but limits applications requiring sustained positive pressure above 16 mbar; for such cases, additional pressure control equipment would be needed.
Can external instruments be connected to the Atomfair GB-7942 glove box for in-situ analysis, and what feedthroughs are available?
Yes, the glove box is equipped with 3 × DN40 KF spare ports and one 220 V power port, enabling installation of feedthroughs for instruments such as potentiostats, spectrometers, or sensors without compromising the inert atmosphere. The ports are standard KF flanges, compatible with widely available vacuum feedthroughs.
What are the essential utility and safety requirements for operating the Atomfair GB-7942, including gas supply and regeneration hazards?
The system requires a 99.999% high-purity inert gas source (N₂, Ar, or He) and a regeneration gas mixture of inert gas with 5–10% H₂, which is flammable. The PLC-controlled automatic regeneration process operates without manual intervention, and the integrated EDWARDS RV12 vacuum pump and pressure safety (±16 mbar threshold) mitigate operational risks. The 2-ton weight necessitates a reinforced floor or bench.
The Atomfair GB‑7942 single station inert gas glove box achieves stable H₂O and O₂ levels below 1 ppm under specified conditions through a closed-loop purification system with PLC‑controlled auto regeneration, but its 2‑ton weight and requirement for a hydrogen‑blended regeneration gas mixture impose significant facility and safety considerations.
Positive
- Sub‑1 ppm H₂O and O₂ control: Under standard conditions (25°C, 1 atm, 99.999% inert gas), the system maintains water and oxygen indices stably below 1 ppm, meeting demanding atmosphere purity requirements for lithium battery, organometallic, semiconductor, and fine chemical research.
- PLC‑managed automatic regeneration: The purification column undergoes program‑controlled auto regeneration without manual intervention, preserving adsorption capacity and reducing operator workload during long‑duration experiments.
Trade-offs
- 2‑ton equipment weight and footprint: At 2,000 kg and dimensions of 1220×750×900 mm, the glove box requires reinforced flooring and dedicated laboratory space, limiting placement flexibility and increasing installation complexity.
- Hydrogen‑blended regeneration gas requirement: Regeneration consumes an inert gas mixture with 5–10% hydrogen, adding consumable cost and necessitating hydrogen safety protocols and infrastructure for routine maintenance.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

