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Air Systems™ Cascade System: Fill Assembly

Cascade system offers an alternative to air cylinder refill using air compressors

Manufacturer:  Air Systems™ CBF3346NB

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Catalog No. 19-120-1207

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Includes: Breathing air assembly: regulator, four-outlet manifold assembly, low pressure whistle, relief valve, and either CGA-346 or CGA-347 connection whips with check valves.



  • Air“cascades” across a bank of large supply cylinders to the smaller cylinder being refilled
  • Three-cylinder bottle fill assembly comes with either low or high, 2400 or 5000psi rated fill whip and connecting whips
  • Separate assembly is also available for the purposes of connecting cylinders in series for direct use as breathing air

Order Info

Supply cylinders are not included for either system type and must be purchased separately to complete the apparatus. Optional fill pressure adapter with safety relief valve set at 2400psi and CGA-346, CGA-347, and CGA-702 connection available.



3 cylinder cascade system
5 ft. high pressure fill whip with gauge, universal hand-tight nut, on/off and bleed valve
Refilling either 2216psi or 4500psi SCBA cylinders
Fill Assembly
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