We provide technical assistance on Air Cascade Systems for fire departments, paintball, SCUBA and industry. A system may include two or more ISO/UN/DOT cylinders, mounted in your facility, on a mobile air trailer or inside your fire truck.

Get approximately 38 refills of 2216 PSI 45 CF SCBA cylinders from a four cylinder cascade system. This estimate of refills assumes the SCBA cylinder has 500 PSI remaining in it at the time of refilling.
Unit of Measure
Items
Cylinder

4500 Pound-Force per Square Inch (psi) Pressure Cylinder
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Cylinder

5000 Pound-Force per Square Inch (psi) Pressure Air Cylinder
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Cylinder

6000 Pound-Force per Square Inch (psi) Pressure Cylinder
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Description N/A UN/ISO/DOT 4500 PSI/310 BAR, 437 CF, 152 Lbs - 67 Kg empty, 2750 CI - 45 Liters water volume, 9.3" dia. by 56" to the top of the CGA 347 valve. Retesting pressure is 6750 psi (465 BAR). UN/ISO 9809-2 Specification is DOT Approved for USA use and Canadian use approved without cylinder shoulder markings. N/A UN/ISO/DOT 5000 PSI/345 BAR, 472 CF, 170 Lbs - 77 Kg empty, 2750 CI - 45 Liters water volume, 9.3" dia. by 56" to the top of the CGA 347 valve. Hydrostatic test pressure is 7500 psi (517 BAR). UN/ISO 9809-2 Specification. DOT Approved for USA use and Canadian use approved without cylinder shoulder markings. N/A UN/ISO/DOT 6000 PSI/414 BAR, 510 CF, 202 Lbs - 91 Kg empty, 2641 CI - 43 Liters water volume, 9.3" dia. by 56" to the top of the CGA 702 valve. Hydrostatic test pressure is 9000 psi (620 BAR). UN/ISO 9809-2 Specification. DOT Approved for USA use and Canadian use approved without cylinder shoulder markings.
Manufacturer N/A Alkin Compressors
Pressure N/A 4500 psi310 bar N/A 5000 psi345 bar N/A 6000 psi414 bar
Water Volume N/A 2750 in³45 L N/A 2750 in³45 L N/A 2641 in³63 L
Hydrostatic Test Pressure N/A 6750 psi465 bar N/A 7500 psi517 bar N/A 9000 psi620 bar
Industry Standards N/A Department of Transportation (DOT) International Organization for Standardization (ISO) United Nations (UN)
Empty Weight N/A 152 lb67 kg N/A 170 lb77 kg N/A 202 lb91 kg
Additional Information N/A UN/ISO/DOT cylinders can be mounted vertically or horizontally and are used in a stationary or mobile application. We have cylinder mounting rack(s) are available for stationary and mobile applications.

UN/ISO/DOT cylinders must be retested every ten (10) years. No 10% overfill is available with these lightweight styled cylinders. Standard DOT cylinders are hydro-tested every five (5) years.