Oxygen Containments

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The HPE4600-3-A/O-CL2 cylinder fill enclosure fills three cylinders at a time. This enclosure provides increased safety during the fill process, only operating when the door is closed and locked. The HPE4600-3-A/O-CL2 is designed to contain the destructive force of an accidental cylinder failure or hose rupture, while allowing the air blast to be vented away from the operator.

The Class 2 Containment from HYPRES is NFPA 1901 compliant. A rupture test was performed by a third party certified licensed engineering testing facility. The rupture test followed NPFA recommended guidelines for a rupture test.

Standard Features:

  • Safety Interlock System
  • Manual ½" thick door locking bar
  • Teflon slides to protect cylinder from scuffing
  • (1) Connection for storage cylinders
  • (1) Oxygen clean fill hose & fill adapter
  • (1) Panel valve and gauge for oxygen fill process
  • (2) Panel valves to control the air fill process
  • (2) Fill gauges to monitor the air fill process
  • (2) Fill hoses w/SS bleed valve & fill adapter

Construction of Fill Station:

  • Drawer contains ¼" steel plate on all four sides
  • Front of drawer contains additional ¼" steel plate
  • Outer cabinet contains ¼" steel plate on all four sides for ½" steel protection on all four sides
  • Zinc rich powder coat finish provides up to 2000 hours of protection from extreme environmental exposure


  • 90° door opening on truck mount units
  • Air and/or Oxygen management panels
  • SCUBA yoke for air side of unit
  • Access Control System

Dimensions: 46.75"W x 23.5"D x 38"H (Add 4" to height for stationary containment)
Approx. Weight 1000lbs.

Oxygen Cleaning Process

HYPRES has developed an oxygen cleaning process that conforms to the requirements of CGA and ASTM and is one of the best processes available.  Utilizing a brand-name Ultra-Sonic Cleaner and a Black-Light Detection System for Quality Assurance, this process meets or exceeds the published requirements of the Compressed Gas Association (CGA G-4.1) and the American Society for Testing and Materials (ASTM G 93).


Safety Feature

Safety Interlock System prevents SCBA or SCUBA filling unless the front access door is completely closed and locked in place. All air control components are located inside the compartment. The carriage design "tilts" toward the operator whenever the door is opened. This facilitates loading and unloading cylinders and minimizes operator fatigue.

Fabricated by an ISO 9002 Company, Laser Cut, Robot Welded and Zinc Powder-Coated. NFPA 1901-71, 23.9.1-4 CERTIFIED BY LICENSED ENGINEERING TESTING FACILITY.