-Just like water in a garden hose --the longer the hose, the less water pressure at the end. It works the same with air.

-The pressure loss between the compressor and the end user tool comes from friction in the pipe. The smaller the pipe, the greater the friction, and the longer the pipe, the greater the friction.

If you have both of these issues in the same systems...you may have substantial pressure drops.

o Reduce the friction and restrictions.

-Pressure loss is caused by the friction of the air mass flowing on the side walls of the pipe or hose.

The larger the pipe, the more air it will carry in the center, not causing friction loss on the inside walls.

-A smooth inner lining of the pipe or hose will cause less pressure drop.

-A rough inner lining of the pipe or hose will cause more pressure drop. Pipe corrosion can cause friction and pressure loss.

-Couplings, fittings and valves increase the pressure drop.

-Make sure you have the most efficient system layout possible. You may need to relocate some equipment or re-pipe, but if you are suffering from excessive pressure drops, then the benefit may outweigh the cost.

o Reduce the velocity, or flow rate, of air through the system.

-For a given pipe or hose size and length, the pressure loss increases as the volume of air flow increases.

-Reducing and controlling the system pressure downstream of the primary receiver can result in a 10% or more reduction in energy consumption...even though the compressors discharge pressure had not been changed. Reducing your system pressure can help improve system performance, reducing leakage rates, and helping reduce stress on operating equipment. Note that a reduced system operating pressure may require modifications to other components, such as pressure regulators, filters, and the size and location of compressed air storage.

o Be sure to consider the effects of all your compressed air system's components on pressure.hose manufacturer 

-Operate and maintain air filtering and drying equipment to reduce the effects of moisture, such as pipe corrosion.

-Select aftercoolers, separators, dryers and filters having the lowest possible pressure drop for the rated conditions. It's important to check if manufacturers are including pressure drops in filters, pressure regulators, and hoses in their pressure requirements for end-use equipment, or if those pressure requirements given are for after those components. The typical pressure differential for a filter, pressure regulator, and hose is 7 psid, but it might be higher if the system is poorly maintained or designed.

-Specify pressure regulators, lubricators, hoses, and connections having the best performance characteristics at the lowest pressure differential. These components must be sized based upon the actual rate of flow and not the average rate of flow.

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