Frequently Asked Questions...
I have an air compressor that delivers 9 SCFM @90 psi, can I use a tool that consumes 9.3 SCFM @90 psi?
the tool is an impact wrench.
thanks
Answer:
Sure, at 90 psi, it will work just a bit under max efficiency, but you probably won't notice it unless you are running it continually, which with an impact you hardly ever do.
 Campbell Hausfeld TL050299 Air Compressor Power Tool 1/2 In Impact Wrench Tools US $26.88 
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 NEW GOOD YEAR GOODYEAR 1/4" x 50' RUBBER AIR COMPRESSOR HOSE TOOL FREE SHIPPING US $33.99
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 NEW GOOD YEAR GOODYEAR 1/2" x 50' RUBBER AIR COMPRESSOR HOSE TOOL FREE SHIPPING US $55.99
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 NEW GOOD YEAR GOODYEAR 3/8" x 50' RUBBER AIR COMPRESSOR HOSE TOOL FREE SHIPPING US $33.99
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 NEW GOOD YEAR GOODYEAR 1/4" x 100' RUBBER AIR COMPRESSOR HOSE TOOL FREE SHIP US $52.99
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 Primefit® Ultimate Garage 6-Gallon Air Compressor and 52-piece Air Tool Set US $329.24
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 Auto Air Tire Inflator w/Dial Gauge/Bike/motorcycle Compressor 10-140PSI HD tool US $.01
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 Pelton Crane Co. ANTIQUE Dental Dentist Air Compressor tools STEAM PUNK 1900's US $650.00
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 Campbell Hausfeld PORTABLE AIR TOOLS COMPRESSOR 1 Gallon Pancake 110 VOLT FP2028 US $36.00
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 CHEVROLET DOOR SPRING COMPRESSOR TOOL for Cars & Trucks US $18.99
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 KD 3387 - K-D Tools MacPherson Strut Spring Compressor US $70.95
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 KD 3450 - K-D Tools Coil Spring Compressor US $85.95
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 Mercury Outboard Ring Compressor 91-31461A2 Shop Tool US $136.99
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 Air Grease Gun Hand Operate For Air Compressor Grease & Sealant Guns Tools New US $33.95
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 15M 49 Ft 10mm x 6.5mm Flexible PU Recoil Hose for Compressor Air Tool US $39.24
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 COIL SPRING SHOCK COMPRESSOR REMOVER INSTALLER TOOL US $12.99
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 220 PSI Auto Air Tire Inflator with Dial Gauge Auto Bike Compressor Tools C-A9 US $1.25
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 NEW AIR COMPRESSOR HOSES 25' feet - BRASS NEW TOOLS US $.99
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 MOTORCYCLE CAR VALVE SPRING COMPRESSOR TOOL CB KZ XS GS 550 750 850 US $35.50
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 Motorcycle shock coil spring compressor tool kit gs cb US $34.50
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 DeWALT D55140 1 Gallon 135 PSI Heavy-Duty Air Tool Trim Compressor US $75.55
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 AUTO CLAMSHELL STRUT SPRING COMPRESSOR SUSPENSION TOOL US $179.95
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 VALVE SPRING COMPRESSOR TOOL KIT + VALVE STEM OIL SEAL TOOL SOHC & DOHC US $118.54
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 MOTORBIKE MOTORCYCLE FORK SPRING COMPRESSOR TOOL - HANDS FREE OPERATION US $150.96
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 TAMIYA 74515 Spray Work HG Air Compressor Revo PLASTIC MODEL KIT CRAFT TOOLS NEW US $332.45
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 TAMIYA 74529 Spray Work AC Adapter SWA-3 for 74520 Basic Compressor CRAFT TOOLS US $56.95
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 TAMIYA 74533 Spray Work HG Compact Air Compressor PLASTIC MODEL KIT CRAFT TOOLS US $118.70
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 Coil Spring Compressor Tool - Heavy Duty 3pc Set With Security Clamps US $51.14
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 Performance Ring Compressor Steel Wrinkle Band Black Anodized Adjustable 3"To 5" US $11.95
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 BSA D1 D3 D5 D7 D10 D14 B175 BANTAM CLUTCH COMPRESSOR TOOL 61-3191 US $36.28
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 MILLER TOOL 8215 2.4/2.7L VALVE SPRING COMPRESSOR NEW US $112.97
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 JAPAN Allied Pneumatic Lot Air Compressor Compresser Gun Tool + Wrench +Fittings US $35.00
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 Kent-Moore J-33027 CLUTCH HUB HOLDING TOOL V5 & DA6 COMPRESSOR US $17.49
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 65' AIR COMPRESSOR HOSE COUPLER FITTINGS-Spray Gun Tool US $24.99
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 MILLER TOOL 8453 VALVE SPRING COMPRESSOR 3.3/3.8 L US $34.97
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 rear clutch spring compressor tools US $25.00
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 vintage kd gas engine valve spring compressor tool part US $23.96
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 Compressor Oil/UV Dye Injection Injector Syring Charger Professional HVAC/R Tool US $49.97
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 MILLER TOOL 9150 9151 9152 SPRING COMPRESSOR CLAMP AND PLATES CROSSFIRE TOOLS US $424.97
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 Replacement 45 degree Compressor Cone S32640 for Imperial Eastman Flaring Tools US $17.95
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 Mercedes Valve Spring Compressor Kit Engine Tools US $168.95
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 K-D Tools 3450 Coil Spring Compressor US $85.54
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 SMALL ENGINE TOOL VALVE SPRING COMPRESSOR BRIGGS, HONDA., TECUMSEH, KOHLER USA US $29.99
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 Air Grease Gun / Lube Gun : Air compressor auto tools US $14.54
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 Air Mini Paint Sprayer Gun: Air Compressor Tools US $7.69
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 18 pc Air Compressor Hose Tool Tools Accessory Kit US $15.99
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 KD Tool 850 PISTON RING COMPRESSOR 2-7/8 TO 4-3/8IN.DIA US $76.38
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 50 FT GOODYEAR 1/2" ID 200 PSI Rubber Air Hose For Air Compressor/Tools Business US $59.39
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 Reversible Air Ratchet 1/4" Air Compressor Tool US $15.46
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 50 FT GOODYEAR 3/8" ID 200 PSI Rubber Air Hose For Air Compressor/Tools Business US $35.69
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 50 FT 3/8" GOODYEAR Air Rubber Hose For Air Compressor & Air Tools Made in USA US $33.59
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 Air Compressor Pressure Tools Water Moisture Trap Filter With Regulator/Gauge US $9.99
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 Compressor Oil/UV Fluorescent Dye Injector Syringe Charger Leak Check HVAC Tool US $24.97
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 4" Air Angle Grinder Tools for Air Compressor Grinding Polishing Air Tools New US $27.35
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 Kent-Moore GM J-34013-125 STRUT COMPRESSOR ADAPTER US $16.99
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 Disc Brake Pad Spreader Compressor For Auto Mechanics DIY Hand Tool Replacement US $8.59
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 Portable Mini Air Compressor Metal New Unit Tire Inflator Gauge Heavy Duty Tool US $42.98
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 1/4" Dr Air Angle Die Grinder Air Compressor Cutting Grinding Polishing HD Tools US $33.15
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 9pc Kit 1/4" Heavy Duty Die Grinder:Air Compressor Tool US $11.50
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 SEALLUBE STOPS OIL LEAKS GUARANTEED - HYDRAULIC JACK HOIST AIR TOOL COMPRESSOR US $14.95
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 Rockworth 2-Gallon Portable Electric Air Compressor and Nailer Tool Kit US $79.99
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 New 10 Inch Valve Spring Remover Tools Compressor Tool US $30.62
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 New 25 ft Retractable Air Hose 16pc Tool for Compressor US $15.31
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 Industrial Air Blow Gun Automotive Compressor Home Shop Garage Tool New HD US $12.25
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 Air Grease Gun Kit Compressor Grease Sealant Guns Tool Automotive Tools New US $34.35
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 3-WAY AIR MANIFOLD ADAPTER AIR COMPRESSOR HOSE TOOLS US $14.99
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 Clutch Spring Compressor Tool for Harley Davidsons US $22.50
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 NEW AIR BLOW GUN KIT 5 PIECES AIR COMPRESSOR TOOLS US $2.67
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 New 5 pc Impact Reducer & Adapter: Air Compressor Tools US $2.92
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 T88C-6565-AH FORD PROBE VALVE SPRING COMPRESSOR BAR ASSEMBLY SPECIALITY TOOL US $13.99
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 PNEUMATIC AIR TOOL ACCESSORY KIT FOR AIR COMPRESSOR US $24.99
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 Vengeance Mastering Suite: Multiband Compressor VST AU RTAS Logic Pro Tools US $190.00
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 Air Compressor System-Filter-Pressure Regulator-Dryer-Trap-Oiler-Tool Line US $79.00
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 Vintage K-D Ford Model A Ford Valve Lifter / Compressor Tool US $4.98
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 Professional 250 PSI Mini Air Compressor Tool NEW!! US $8.99
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 HARBOR FREIGHT TOOLS 3 GALLON 100 PSI OILLESS AIR COMPRESSOR $40 OFF COUPON US $2.00
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Tool Compressor
Automatic Transmission Rebuild Tool - Spring Compressor
The Air Compressor Buying Guide For Air Compressor Newbies
You're probably shopping for an air compressor because you've heard about the power of air tools over electric tools. If it's not more torque and higher RPMs you're looking for then maybe it's the easy interchange between tools - almost as simple as plugging the tool into an outlet. Either way you're convinced that you need an air compressor but you're not quite sure where to start. This article will give you some of the basics about air compressors and then guide you through to selection by asking you five questions.
Here are some of the key attributes you'll be paying attention to when you start shopping for your air compressor:
Horsepower:
Air compressors, as their name implies, compress air. This takes an engine and engines have horsepower. The horsepower of the engine you're considering has direct impact on all the other aspects of your compressor's performance. Horsepower is often inflated, and you should be paying closer attention to the engine's rated amperage for an idea of how powerful it is.
PSI:
PSI stands for pounds for square inch. Of course as you remember from high school physics class PSI is a measurement of pressure. To be exact, how many pounds of pressure is applied per square inch. The PSI rating is one of the crucial ratings in the air compressor to understand as air tools have a minimum amount of PSI required to run. Typically that's 90 PSI, but it depends from tool to tool.
CFM:
CFM stands for Cubic Feet Per Minute and it's a unit for measuring the rate of flow in or out of a space. In this case, the rate of flow of air out of your air compressor. Air tools typically require 4-6 CFM for proper operation.
Tank Size:
The tank size, measured in US gallons, tell you how much air is compressed and give you something of an idea of how long you can operate your air tool for at a time. The other factors that affect how long you can run your tool for are the PSI and HP of the engine itself as these factors determine how quickly your compressed air supply is replenished.
Now that you've got the very basics of Air Compressors, here are four questions that will help you make your decision
1) Who's Using the Air Compressor, and What For?
Is it you in your shop on weekends building birdhouses? Or is it for your construction company's framing up new houses? The level of use should be your first consideration when making a purchase and will help you determine how much of an investment really makes sense for your compressor. The aspects of the compressor you should be paying the most attention to here are PSI and horsepower. The higher these are the more power and continuous usage you'll get out of your compressor.
2) What Air Tools Do You Plan To Use?
Will you be using an impact wrench in an assembly line automotive project? Or are you using a brad nailer to finish up your wood shop projects? Again, the amount of usage you're applying to your tool is a key factor in determining the HP, PSI and CFM of your air compressor. Typically, for the wood shop owner, you're looking at using finish nailers, brad nailers and narrow-crown staplers for your projects.
3) Will You Be Using More than One Tool At A Time?
If you're running two tools at once from a single compressor then you will need to invest in a compressor with more HP, PSI and CFM. A larger tank size would be beneficial as well.
4) Will You Be Mobile or Stationary?
If you're stationary then you'll be fine with an electric powered air compressor. If not then you'll need a gas powered compressor that you can bring with you to your electricity-free work site.
Armed with the basics of compressor lingo - PSI, CFM, Tank Size and Horsepower you should be a formidable consumer when you go shopping for your next compressor. Be highly skeptical when talking with compressor salesmen as they often know very little about the units they sell and seek to razzle dazzle you with big talk that won't help you get the right compressor for your needs.
As always when choosing a new tool, know precisely how you plan to use it when making the purchase. Keeping this in mind will always lead you to the right tool for the job.
About the Author
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