Air Cascade System - Steel Orange, Multiple Cylinders | Pressure Equalization, Efficient Refill, Mobile/stationary Use, Hydro-tested

IT MAY INCLUDE TWO OR MORE DOT CYLINDERS, INSTALLED YOUR FACILITY, OR ON A MOBILE AIR TRAILER OR INSIDE YOUR FIRE TRUCK. THESE 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 TOW CYLINDERS. CYLINDERS ARE HYDRO-TESTED EVERY FIVE YEARS.