Compressed Air Hose Leaks and Air Hose Safety

Ask a Question:states:
What does OSHA say about hose safety?Compressed air leaks can account for 20% to 30% of
Answer: An OSHA guideline publication states:compressors cfm output in small to medium size
Hoses, cables, and other equipment shall be kept clearplants.
of passageways, ladders and stairs.In other words- you could be losing up to 30% of your
OSHA says reduce your slips, trips and falls. Slips, tripscompressed air because of AIR LEAKS! That is your
and falls constitute the majority of general industrymoney leaking away! It is worth the effort to find and
accidents, which cause 15% of all accidental deaths,fix your air leaks.
and are second only to motor vehicles as a cause ofAsk a Question:
fatalities. The OSHA standard for walking and workingHow do you estimate the SIZE and COST of an AIR
surfaces apply to all permanent places of employment,LEAK?
except where only domestic, mining, or agriculturalAnswer:
work is performed. Consider adding reels to increaseHere is how to estimate the size of air leaks:
safety & efficiency with your electrical cords,It is not very hard. We will use the "TIME METHOD" to
welding cables, air hose, oil, grease, liquid/water or fuelestimate percentages of loss due to air leaks in your
hoses.plant.
Ask a Question:1.Turn OFF all air operated end-user equipment.
Why should my plant use Air Hose Reels with our air2.Start your air compressor and let it cycle 5 times.
tools?3.Time the OFF-LINE/UNLOAD TIME (not pumping
Answer: If your business or plant has multiple air hosestime) using your watch. (Example: 5 minutes)
running from your air compressor to a variety of air4.Time the ON-LINE/LOAD TIME (pumping time) using
tools, then industrial air hose reels can be one of youryour watch. (Example: 2 minutes)
most effective equipment additions you will ever make,5.Calculate total percentage of air leaks as follows:
as well as one of the safest!Add the OFF / UNLOAD and the ON / LOAD times
Here are 5 Reasons to use Air Hose Reels:together: Example: T(5 minutes) + T (2 minutes)= 7
1. Efficiencyminutes) Divide ON / LOAD time T (2 minutes) by the
Hose reels make all your hose handling more efficient.total minutes: 2 ÷ 7 = 0.29
An organized, clean workplace is proven to be moreThe result tells you 29% of your air compressors
efficient.CFMs are doing nothing but maintaining your AIR
2. SafetyLEAKS.
Hose reels decrease you chances of injuries fromHow to figure the cost of air leaks:
tripping hazards. Reduce accidents and insuranceBased on values from the Compressed Air &
expense: Slips, trips and falls are the leading cause ofGas Handbook, we can assume
work stoppage in industry.4* CFM per air compressor horsepower. So, if you
3. Protects Equipmenthave a 100 HP compressor and the above determined
Hoses (and cords) last five times longer when stored29% air leaks -use this formula:
on a reel. This can save you from replacing hoses as100 HP x 4*=400 CFM x 29% (.29 air leak loss) = 116
often.wasted CFM.
4. Stops LeakagesAs the chart below shows, you now know that you
Hoses on reels can reduce the threat of expensive airare losing over $13,000 a year because of AIR
leakages.LEAKS.
5. Increase ProductivitySIZE OF YOUR LEAK CFM AIR LOSS WASTED
Locating your air hoses when and where you needDOLLARS PER YEAR
them increases productivity. All these factors helpOrifice -----Diameter------Inches
improve your work environment, which saves you1/32 -----------1.6 ----------211.70
time, equipment and money.3/32 ----------14.5 ---------1905.30
Have you ever wondered what that hissing sound is1/4 -----------104.0 ------13665.60
when you walk through your plant or shop area? Most1/2 -----------415.0 -------54531.00
likely it is a COMPRESSED AIR LEAK. But what aboutThese figures are based on values from the
the air leaks you can't hear? Size cannot be judged byCompressed Air & Gas Institute Handbook.
sound.Calculations assume a conservative cost of $.25 /1000
Do You know how much your AIR LEAKS arecubic feet of compressed air, 100% coefficient of flow
costing you? A Department of Energy publicationsand working 8,760 hours/year at 100 psig.