Cylinder Filling Systems

From mix panels and pure gas panels to high-pressure filling automation, Gerhart offers a full range of efficient, versatile cylinder filling systems. Gerhart also provides customers with a variety of medical oxygen racks.

Mix Panels

Manual-control mix panels are available with a variety of features: 


  • Simplex/Duplex/Triplex
  • Full-flow 1/2” IPS brass swingarm bulkhead fittings
  • Rego, Ceodeux, and CPV valves available
  • Variety of Master Fill Gauges available including Smartgauge, digital, and analog
  • All 1/2” IPS brass piping
  • Carbon steel powder-coated steel frame with stainless steel swingarm panel

Pure Gas Control Panels

Pure gas control panels offer a range of features:


  • Simplex/Duplex/Triplex
  • Full-flow 1/2” IPS brass piping
  • Rego, Ceodeux, and CPV valves available
  • Variety of Master Fill Gauges available including Smartgauge, digital, and analog
  • Carbon steel powder-coated steel frame with stainless steel swingarm panel

High-Pressure Filling Automation

The SmartFill system automatically calculates the correct fill pressure for DOT cylinders based on temperature and pressure or weight. Two-component mixing is also easily achieved. SmartFill vents, evacuates, and fills cylinders.

  • High-quality CPV valves
  • Can also be fully run in manual mode
  • Audible as well as visual alarms so operators know what stage the fill is in
  • Available in UHP, Mix, and Duplex configurations
  • Accurate fills—eliminates under- or over-fills
  • Increases operator efficiency—operators are free to perform other tasks
  • User prompts for pre-fill inspections and leak checks increase safety
  • Can be easily installed into an existing system (no need to buy new panels and manifolds)

Medical Oxygen Racks

Medical oxygen racks from Gerhart include high-volume E-Racks and mobile E-TIGER racks. E-TIGER racks offer a variety of carts for yoke or CGA-540 connection.