What Is UHP? 2017-11-28T21:13:33+00:00

ULTRA HIGH PRESSURE: THE FUTURE OF FIRE SUPPRESSION

Ultra high pressure is defined by the National Fire Protection Agency (NFPA) as pump pressures above 1100 psi. By flowing water at these pressures, 10x the surface area is created by breaking down conventional water droplets into 64 smaller droplets allowing for at least a fifth of the water usage. Greater surface area means more contact with the fire and more efficient heat absorption. When the water droplet absorbs heat, it converts to steam, displacing oxygen, removing heat from the superheated environment and extinguishing the fire.

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THE SCIENCE OF UHP

JP-8 Fuel Fire Testing

HMA Fire, in conjunction with the Air Force Fire Research Lab (AFRL) at Tyndall Air Force Base in Panama City, Florida, tested various flows at conventional pressure and ultra-high pressure (see chart to the right) in a 3,500-square-foot pit containing 380 gallons of JP-8 fuel. The results?

    • HMA Fire UHP consistently and fully extinguished more fire.
    • UHP consistently used 1/5 of the water.
    • At 20 gpm, 1200 psi, UHP beat the best low pressure time by 50 percent, using 85 percent less water.
    • HMA Fire UHP has optimized performance supported by test results.

The conclusion? UHP, at 20 gpm is the optimal flow, blowing all low-pressure systems out of the water.

THE HEAT SIMPLY GETS
SUCKED OUT OF THE ROOM

Smaller water droplets, greater surface area and rapid steam conversion help UHP
extinguish fire and reduce room temperatures in significantly less time.

    • 40 seconds into the fire, HMA’s Hydrus system had lowered the ceiling temperature to 500ºF cooler than the low pressure system.
    •  UHP extinguished a 16’ x 24’ room at flash in 17.3 seconds using only 11.6 gallons of water / foam.
    •  Low temperatures = Safer Environments for the Fire Fighters!
DOWNLOAD THE RESULTS OF OUR MILITARY TESTING

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Curious about UHP, but still not convinced? We invite you to put our products to the test.
Fill out the form below to set up your own hands-on UHP demo.

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