Maximum operating temperature of 158° F.Minimum operating temperature of -40° F.Wire terminal ends to simplify installation. Off100% Duty Cycle1 Hour Run TimeAll VIAIR compressors are tested at an ambient temperature of 72 degrees Fahrenheit, with a supply voltage of 13.8 volts for 12-volt models & 28 volts for 24-volt models. It is recommended that you always operate VIAIR compressors with charging voltage or maintain recommended supply voltage for best performance.
Simply put, an air compressor duty cycle is the amount of time a compressor will deliver pressurized air within a total cycle time. If an air compressor has a 50% duty cycle, the compressor can provide air power for half of its total cycle time. If an air compressor has a duty cycle of 100%, the compressor will deliver pressurized air for the entirety of its cycle time.
The problem with the duty cycle of an air compressor is, that unlike many other standards in the compressed air industry, there is not an official definition for the duty cycle of an air compressor. Air Compressor Duty Cycle Relationship With CFM. CFM ratings on air compressors are another very important rating to look for when selecting an air compressor, along with the duty cycle. CFM ratings tend to be based on the output of the air compressor pump, and it’s even more important to understand the relationship between the duty cycle and CFM. In order to understand the compressor’s CFM capabilities to deliver continuously as opposed to intermittently, you must multiply the CFM rating of the compressor by the duty cycle percentage.
The Different Duty Cycles Explained…. The duty cycles of an air compressor are pretty easy to understand and explain as long as you have the basic principle in mind. The duty cycle is not usually a metric that manufacturers or retailers include in their product listing so it is hard to find duty cycle ratings on retail websites and even some manufacturers websites, from what I gathered researching this on my own. Even an air compressor that has a 100% duty cycle rating can become damaged if you are over exerting its capabilities using an air tool it requires too much CFM or PSI. There is a great article on this.
Duty cycle, a term typically used as a rating for electric motors, is the time a compressor runs compared to the total cycle time. A compressor with a total cycle time of 10 minutes and a running time of six minutes has a duty cycle of 60 percent. A piston compressor that specifies a 100 percent duty cycle does not mean it can run continuously, but that it can provide air at a specific pressure and flow 100 percent of the time with the help of a storage tank.
If a compressor runs for 3 hours and has a whole time of 8 hours, the duty cycle is 37.5%. Brief Examples. A 50% duty cycle dictates that the compressor will run for half of the complete compressor round time. When using a compressor with a 100% duty cycle rating, be sure to allow for adequate cooling time in between uses to avoid damage.
Your compressor’s duty cycle is directly related to the engines duty cycle, and is expressed with an ‘S’ followed by series of numbers. For example if your compressor states “S3-75”, S3 is referring to “Intermittent periodic use” referring to a 10 minute duty cycle, 75 is referring to the mount of running as percentage, in this case 75%. So if the duty cycle says S3-75 it is built to run a maximum 7.5 minutes in every ten minute cycle. So when you size your piston compressor to your needs do make sure that you take in to account the duty cycle.
what does air compressor duty cycle mean Related Question:
What is a good duty cycle for a air compressor?
100% Duty Cycle For a compressor to offer 100% duty cycles, the engine must be equipped with a cooling component. Otherwise, the constant pressurization could cause the engine to overheat. A 100% duty cycle will generally be one of the requirements for any air compressor used in a factory setting.
What does a 100% duty cycle mean?
A 100% duty cycle simply means the compressor will deliver a consistent CFM and PSI the entire time the compressor is in use, which is different than being able to run continuously. A piston-type compressor eventually needs to stop and cool down even if they are rated at 100% duty cycle.
How often should an air compressor cycle?
We recommend that a compressor cycle no more than 4 times per hour to ensure maximum compressor life, so you are in very good shape with your system.”
What is the meaning of duty cycle?
Duty cycle is the ratio of time a load or circuit is ON compared to the time the load or circuit is OFF. Duty cycle, sometimes called “duty factor,” is expressed as a percentage of ON time. A 60% duty cycle is a signal that is ON 60% of the time and OFF the other 40%.
What is importance of duty cycle?
The actual duty cycle is important because a slight increase in it (from the theoretical ideal efficiency value) may lead to a significant increase in the operating peak current and the corresponding magnetic fields. We thus have a more accurate estimate of duty cycle.
How long can an air compressor run continuously?
How long can you leave a compressor running? Depending on the size and type of compressor, air compressors can be left running anywhere from a few hours to 24 hours a day, seven days a week.
What does a 60% duty cycle mean?
Duty Cycle is how long you should run your welder before it’ll shutdown. Duty cycle is given in a percentage out of 10 minutes. For instance, the Millermatic 212 at 160 amps (at 24.5 VDC) has a 60% Duty Cycle. This means it can weld continuously for 6 minutes straight before it has to reset itself.
What is the meaning of 50% duty cycle?
Duty cycle of 50% means that the low time and high time of the signal is same. Change of duty cycle is basic fundamental behind PWM.
What is a 60% duty cycle?
A 60% duty cycle means that within any period of time, you can safely run your welding machine for up to 60% of that time period at a certain amperage. Usually, during testing, this percentage is calculated by running a machine for 5 to 10 minutes.
How is duty cycle calculated?
Duty Cycle = Pulse Width (sec) * Repetition Frequency (Hz) * 100.
Why is my air compressor short cycling?
Short-cycling happens when the cooling cycle becomes much shorter than the usual 10 minutes, causing the compressor to turn on and off more often than usual. This excessive stopping and starting adds wear on the compressor while robbing your home of its cooling comfort.
Should an air compressor run all the time?
If you have multiple compressors, your system should be set up so as not to allow constant operation. For screw compressors, the cooling systems are much better, so the compressors can run constantly with no issues. But running constantly usually means the units are not very efficient.
How can we increase duty cycle?
1) If you are generating your own signal, generate a signal at twice the frequency and clock a T-type flip-flop, i.e. a divide by 2 circuit. 2) Double the incoming frequency and then divide by 2. 3) You can use a voltage controlled oscillator that is phase-locked on to your incoming 40Hz signal.
Does duty cycle affect frequency?
The percentage duty cycle specifically describes the percentage of time a digital signal is on over an interval or period of time. This period is the inverse of the frequency of the waveform.
What is the difference between duty cycle and frequency?
Frequency is how often a signal switch between low voltage and high voltage. Frequency is expressed in cycles per second, or Hz. Duty cycle is percent of time that the signal stays at high level. It is typically expressed as the percentage of the period.
