D.O.T. Cascade Systems

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DOT Air Cascade System

Air cascade systems can include two or more DOT cylinders, mounted in your facility, on a mobile air trailer or inside your fire truck. DOT cylinder mounting rack(s) are available for stationary and mobile applications.

Air cascading simply means equalizing the pressure between the cylinder to be refilled and the next lowest supply cylinder. If this doesn't get the desired pressure in the small cylinder, the supply cylinder is turned off and the next highest supply cylinder is opened and the pressure allowed to equalize between the two cylinders.

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

Taylor-Wharton DOT cylinders offer the patented Lightweight "leak before break" technology.

They can be mounted vertically or horizontally and are used in a stationary or mobile application.

Cylinders must be hydro-tested every five years to five thirds their working pressure. No 10% overfill is available with these cylinders.

4500 PSI/444 CF (AC 40040), 149 pounds empty, they measure 9 5/16" dia. by 56" to the top of the CGA 347 valve. Hydrostatic test pressure is 6750 psi. DOT Classification is DOT-E 9421-4500. Canadian permitt number - SU 4221.

6000 PSI/509 CF (AC 40060), 193 pounds empty, they measure 9 9/32" dia. by 56" to the top of the CGA 702 valve. Hydrostatic test pressure is 9000 psi. DOT Classification is DOT-E 9909-6000. Canadian permitt number - SU 4221.

AC40040A UN-ISO (DOT) 4500 Cylinder Systems
Cylinders
Package Description
3
3 Tees, 3 Nuts & Nipples, 2 Flex Pigtails, 1 Fill Hose Assy.
4
4 Tees, 4 Nuts & Nipples, 3 Flex Pigtails, 1 Fill Hose Assy.
For additional cylinders, please email or call us for pricing
AC40050A UN-ISO (DOT) 5000 Cylinder Systems
Cylinders
Package Description
3
3 Tees, 3 Nuts & Nipples, 2 Flex Pigtails, 1 Fill Hose Assy.
4
4 Tees, 4 Nuts & Nipples, 3 Flex Pigtails, 1 Fill Hose Assy.
For additional cylinders, please email or call us for pricing
AC40060A UN-ISO (DOT) 6000 Cylinder Systems
Cylinders
Package Description
3
3 Tees, 3 Nuts & Nipples, 2 Flex Pigtails, 1 Fill Hose Assy.
4
4 Tees, 4 Nuts & Nipples, 3 Flex Pigtails, 1 Fill Hose Assy.
For additional cylinders, please email or call us for pricing
Air Cascade System Accessories & Options
Part
Description
AC60010-B
Pressure Adjustable Regulator, 6000/0-5000 PSI
AC70080
Cylinder Wall Mounting Bracket - per Cylinder
AC10026-05
Fill Hose Assy, 5 ft., Gauge, On/Off Valve, Nut & Nipple
AC30019-1
Gauge, 6000 PSI, 2.5" NFPA
AC30011
Cover, Gauge 2.5", Rubber
AC50050
Cover, Valve Handle, DOT, Rubber (Not avail. for GV Valve)
AC40040A
Spare 4500 UN-ISO DOT Air Storage Cylinder (1-3 pricing)
AC40050A
Spare 5000 UN-ISO DOT Air Storage Cylinder (1-3 pricing)
AC40060A
Spare 6000 UN-ISO DOT Air Storage Cylinder (1-3 pricing)
AC40066N
DOT Cylinder Valve Protector (Crash Collar)
AC40066
DOT Cylinder Valve Protector (Crash Collar)
AC70049VLW4
Storage Rack, DOT Vertical 4 Cylinder
AC70052HLW4
Storage Rack, DOT Horizontal 4 Cylinder
AC70010
PopCan™ Tube, Bare
AC70020
PopCan™ - Single Cylinder
AC70030
PopCan™ - Double Cylinder
AC41000-D1
Air Test Kit, Grade D, 1X
AC41000-D2
Air Test Kit, Grade D, 2X
AC41000-D4
Air Test Kit, Grade D, 4X
AC41000-E1
Air Test Kit, Grade E, 1X
AC41000-E2
Air Test Kit, Grade E, 2X
AC41000-E4
Air Test Kit, Grade E, 4X
AC41000-DN1
Air Test Kit, Grade D, NFPA 1500, 1X
AC41000-DN2
Air Test Kit, Grade D, NFPA 1500, 2X
AC41000-DN4
Air Test Kit, Grade D, NFPA 1500, 4X
AC41000-EN1
Air Test Kit, Grade E, NFPA 1500, 1X
AC41000-EN2
Air Test Kit, Grade E, NFPA 1500, 2X
AC41000-EN4
Air Test Kit, Grade E, NFPA 1500, 4X


Call us now with questions: 936-560-1800

Typical Air Cascade System Configuration

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Regulator Security Box - Lockable

Keep those knuckleheads that have to touch, twist, turn, remove, play with, and otherwise cause you unneeded grief, away from your sensitive adjustments on your high pressure breathing air regulator!!

Lock 'em out with our Security Box!

Includes regulator mounting ring (AC60030) and CGA adapter for securing fill whip when not being used.

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