How to Calculate the Size of Your Screw Air Compressor

ventilation system heat recovery

When calculating the layout of a factory building for supplying air to the compressed air users you can apply the following method.

1. Check the machine plates of the users.

2.List machines with the same working pressure on a spread

3.Check the named air consumption from the machine plate and add to the “right” pressure on your sheet.

4. Check the location in your factory if you can group machines n a location and provide separate air supply, thus to avoid long piping and loss.

5. Check working process of your machines , how many shifts, all machines same ? You can group again by your , thus to save energy.

6. Add up all users in a group which you have created as above.

7. Tell us your estimated CBM/Min at which Bar (pressure) and we will recommend the best size of to you.

Consider if you require hot water or heating during night or in cold weather as well as during the manufacturing process (preheating of granulates, bottle washing, cleaning processes etc . Our can be equipped with a heat recovery system at a low investment. Usually returning the investment within the first year of use.

The heat recovery system can recover up to 94% of the waste of your compressor.

**Additionally the from the compressor can be used for factory heating too, with a simple ventilation duct system

 

Air

Average CFM @ 90 PSI Average CBM/min @ 7 bar
Angle – 7″

5-8

0.14 – 0.23

0.3

0.009

Chisel/Hammer

3-11

0.085 – 0.31

Cut-Off Tool

4-10

0.11 – 0.28

Drill, Reversible or Straight-Line

3-6

0.85 – 0.17

Dual Sander

11-13

0.31 – 0.37

2.2

0.06

4

0.11

Hydraulic

4

0.11

– 3/8″

2.5-3.5

0.07 – 0.09

– 1/2″

4-5

0.11 – 0.14

Impact Wrench – 1″

10

0.28

Mini Die Grinder

4-6

0.11  – 0.17

Needle Scalar

8-16

0.23 – 0.46

Nibbler

4

0.11

Orbital Sander

6-9

0.17 – 0.25

Ratchet – 1/4″

2.5-3.5

0.07 – 0.099

Ratchet – 3/8″

4.5-5

0.12 – 0.14

Rotational Sander

8-12.5

0.23 – 0.35

Shears

8-16

0.23 – 0.46

Speed Saw

5

0.14

*add 30% to average CFM to get required CFM

To get an estimated consumption, please add all air consumer of the same pressure together.

Different pressure need different supply lines.

This is for reference only.

For converting the measurement units between USA and International standards you can use our Smartphone App.

download from Google Play Store for android system

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ventilation system heat recovery
ventilation system heat recovery