One of several essential parts of an air compressor is the air-regulator system. When you order a brand new air compressor that is commonly used in portable pneumatic or air tools, a filter-regulator device is already mounted on it. Occasionally, certain inexpensive air compressors only mount an air-regulator without the filter to minimize cost, except in some dependable brand names like Ingersoll Rand Air Compressors. They are actually furnished with modular pneumatic filter-regulator device as normal add-ons.

All air-driven equipments for example pneumatic actuators, valves and air-tools have a preferred working pressure to work and to function correctly. Too low will cause them to fail to function properly or stop functioning, too great pressure results in the o-ring seal to pop-up and leak. It is very important to set the pressure just before connecting your preferred air-tools, if you accidentally hook up a tool that supposed to have 85 psi to a 200 psi air supply it could be very deadly and may explode or destroy the instrument itself.

This is where the compressor regulator will come into action. The air-regulator preserves the preset pressure before proceeding to the system. If the pressure from the compressor tank rises the air regulator will still maintain the preset pressure. The regulator device can only prevent the air pressure from exceeding beyond the desired pressure but it can’t compensate it if the pressure from the air tank drops down below the preferred pressure. If for some reason the pressure from the secondary side rises, it has a built-in release valve that will allow it to bleed the too much pressure until finally it gets to the set pressure. It has a large knob on top of it that can be simply turn to fine-tune the pressure output.

A pressure gauge is normally bundled to keep track of the secondary pressure. Without the gauge it will be difficult to change the regulator device since that you have no way of knowing the amount of pressure is present on the secondary side. In some compressor machines you will notice 2 pieces of gauge that is for the input and the output side.

In case you order a regulator component, you should find out the capacity of the regulator you want to purchase. The size is selected by the flow rate capacity. As the flow rate capacity increases the port size also grows, it is basically directly proportional to one another. So, you can also make use of the port size as the basis of the regulator device sizing. For example, if your present regulator unit has a ” port, then you should get a ” regulator device. The regulator device is not usually available in common hardware stores.

You can probably find them in hardware shops who offer air compressors. Some certain suppliers also offers them, like SMC who markets pneumatic valves, actuators and compressor accessories including filter, regulator, air-dryer, main line filter and after coolers. Other pneumatic suppliers including Norgren, Bosh, CKD and Bimba also manufacture them.

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