CNG Buffer Storage

Supply on Demand

Drivers expect quick service at the pump. Buffer Storage ensures that your station’s fuel is pressurized and ready to dispense on demand, without delay. Each CNG/LNG system requires four buffer storage vessels in a 2 x 2 stack, each with a minimum storage capacity of 10,000 scf at 5,500 psi (total capacity of 40,000 scf). A third party manufactures the CNG Buffer Storage vessels, under the design direction of Clean Energy Cryogenics.

Each vessel is board-certified and has its own pressure relief valve (PRV), which provides redundant safety and protection for the storage assembly. And, for ease of servicing, each vessel has individual isolation valves and drain valves.

  • Space-saving stack design; white epoxy paint finish
  • Single common buffer storage pressure
  • Board-certified and code-compliant for safety and protection
  • Each vessel has its own pressure relief valve (PRV), which provides redundant safety and protection for the storage assembly
  • Each vessel has individual isolation valves and drain valves for ease of servicing
  • Overall Dimensions: 5’-1” X 5’-1” X 23’-0”
  • Dimensions of each bottle: 1’-8”Ø X 23’-0” Long
  • Weight of Assembly: 29,200 lbs
  • 4-Bottle (2 X 2 Stack) Design
  • Volume per assembly: 136.6 cubic feet
  • CNG Volume per assembly: 48,000 scf @ 5,000 psi., 70°F
  • Single Common Buffer Storage pressure
  • Design Code: ASME BPV Section VIII, Div. I (latest edition)
  • MAWP: 5,500 PSI
  • Design Material: ASME SA 372 Grade J, Class 70 Carbon Steel
  • Design Temperature: - 20°F to +200°F
  • White Epoxy Paint Finish

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