Industrial Gas Cylinders

About

• type k cylinder is the standar 330 cf version [1] about 9x60 inch and 135 lb or 60 kg weight. [2]

Resourcing

• $300 for 300 cf, about 40 liter internal volume [3]
• Size K industrial gas cylinder -
• Size 300 gas cyl [4]
• 300 cyl - 9"x55" - 8500 liter. 0.7 kg. $400 [5]
• Need 40 of these for 28 gal fuel tank for a box truck.
• No problem! 2 only needed for home storage of 5 kWhr.

Sourcing

• 660 gal 150 psi $3500 [6]. About 7000 gallon STP - 3x more cost than industrial gas cylinders.
• 300 cf is 2200 gallon STP [7]

China

• - 10 MOQ 40l 48 kg 150 bar $55 and $17 shipping [8]
• $110 in MOQ 10 50 liter 200 bar. [9]
• $175 in MOQ 100 80 liter 200 bar [10]. About 75 kg weight and 80 cents/kg shipping.
• 50 liter at $75 for metal cylinders + ship.
• 40 liter at $50 for 150 bar [11]

Links

• Compressed Air Energy Storage Calculations