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What does pressure drop in the compressed air system mean?

The main cause of pressure drop in the wind compressor and its solutions

1. Air leakage in the system (most common cause)
Signs:
  • Listening to the sound of "Hessey" from fittings, hoses or valves.
  • Compressor Working Even when no tool is used.
  • Repeat pressure drops after compressor shutdown.
  • Troubleshooting method:
    Turn off all of the used tools and allow the compressor to reach the maximum pressure and turn off.
  • With a soap spray, check all connections, lions, hoses, couples and welding points on the tanks and pipes. Creating a bubble indicates leakage.
  • pay special attention to points such as pressure regulator, filters and drain valves under the tank.
  • Tighten the loose fittings, replace Teflon strips, and replace defective parts or hole hoses. It is estimated that leakage removal can save up to 1 % energy consumption. If you have trouble finding the exact location of leaks, Zagros compressor rescue specialists with advanced leakage equipment are at your service.

    2. Filtering dirty inlet or blocked

    Air filter is your first wind compressor defense line against dust. If this filter is blocked, the compressor must consume more energy for its air suction, which directly reduces the volume of outlet air and pressure drop.

    Troubleshooting method:

    check the air filter in an eye. The presence of thick dust, oil or clogging indicates the need for replacement or cleaning.

    Solution:

    paper filters must be replaced at specified intervals (usually every 200 to 500 hours, depending on the environment). Sponge filters can be cleaned with air. Never turn the compressor without filter.

    1. Select inappropriate size of pipes and hoses

    Using pipes or hoses less than standard in diameter, such as trying to pass a large volume of water from a narrow straw! This will create a great deal of resistance to the airflow and will be due to the drop in the pressure of the wind compressor at the end of the consumption line.

    Troubleshooting method:

    Compare your plumbing diameter with compressor buildings or standard engineering tables. As a general rule, the longer the plumbing length, the larger the diameter.

    Solution:

    Review your plumbing system and replace it with appropriate diameter pipes if needed. Also avoid creating 2 degrees of spicy bends and unnecessary connections that disrupt the flow. Our experts in the Zagros Compressor Relief can advise you in designing and running an optimized plumbing system.

    1. Crash in the Filter of the Sphere (in Screw Compressors)

    In the oil-in-oil compressor, the septor filter is responsible for separating the oil from compressed air. Over time, the filter is cramping due to the absorption of oil particles and impurities and acts as an obstacle against air flow. This is one of the main reasons for dropping the screw compressor pressure.

    Symptoms:
  • Increase the pressure difference between the septor tank and the output of the device.
  • The oil in the outlet air.
  • Increase the operating temperature of the compressor.
  • Solution:
  • The septor filter is a consumable piece and must be replaced according to the manufacturer (usually every 2000 to 4,000 hours). Delay in replacing it, in addition to pressure drop, can cause serious damage to the Air-End unit. Contact us to supply and repair the wind compressor and its parts.

    1. Incorrect performance of input valve (Inlet Valve)

    Unloader valve (Unloader Valve) has the task of controlling air entry into the air conditioner unit. If the valve is not properly opened or technical defects, the volume of inlet air is limited to the compressor and as a result the output pressure will not reach the desired level.

    Troubleshooting method:

    When operating the compressor, check the mechanical function of the milk. Make sure it opens completely. Also check the pneumatic or electrical steering wheels.

    Solution:

    This is a specialized repair. It may require cleaning, diaphragm replacement, solonoid or repair kit. It is recommended to do this by an experienced technician. The Zagros Compressor Relief Team is ready to provide wind compressor repair services in Chahar Danga and suburbs.

    1. Piston rims (in piston compressors)

    In piston compressors, the rings have the task of sealing the combustion chamber and preventing air from escaping from the piston. Over time and operation, these rings are worn out and they can no longer seal the cylinder well. This "air escape" reduces the efficiency and drops of the wind compressor pressure.

    Symptoms
  • Signs:
  • Tangible Decreased Power and Rest Filling Reservoir.
  • Excessive oil in the outlet air (oil).
  • Unusual sound from the cylinder.
  • Strategy:
  • Replacement of piston rings is a basic overhaul that requires a complete opening of the airborne unit. In this process, the condition of the cylinder and the piston is also examined. This should be done by experts.

    1. Pressure Switch (Pressure Switch)

    Pressure The brain switch of your wind compressor is your wind compressor, which issues the interruption command based on the tank pressure. If this piece is broken or its settings are shattered, the compressor may turn off sooner than reaching the maximum pressure and you will face pressure drop.

    Troubleshooting method:

    Compare the device with numbers on the pressure gauge. If the compressor turns off at a lower pressure than the adjustment limit, the problem is the high switch.

    Solution:

    First try to adjust the high -end switch adjustment screw according to its guide. If the problem is not resolved, its internal contacts will probably be damaged and should be replaced.

    1. Air consumption demand over the production capacity of compressor

    Sometimes the cause of the pressure drop in the wind compressor has nothing to do with the device's failure! If you have added new tools to your system or are using several high -powered tools at the same time, your total air consumption (CFM) may be higher than the compressor production capacity.

    Troubleshooting method:

    Collect the amount of air intake of all your tools (usually inserted on them) and compare it with your compressor aeration capacity (listed in its specifications plaque).

    Solution:

    There are two ways in this case: managing air consumption (use of tools) or upgrading the compressor to a higher capacity model. Zagros compressor rescue, as a wind compressor manufacturer in Chahar Danga, can provide advice to choose the right compressor with your needs.

    1. Problems related to the belt of power transfer

    In straps compressors, loosening or straps of belt causes it to slip on the money and the engine force is not completely transferred to the air conditioner unit. This slip means reducing the compressor speed and, as a result, a decrease in the volume of manufacturing air and pressure drop.

    Troubleshooting method:

    check the stretch of the belt. The belt should be about 1 to 2.5 cm flexible. Also seek for symptoms of cracking, decay or shiny in the internal belt surface.

    Solution:

    Regret the belt or replace it with a new and high quality strap if burnout.

    1. One -way milk breakdown (check valve)

    The unilateral valve is a piece between the air conditioner and the tank and allows the air to enter the compressor, but prevents it from returning. If the valve breaks down and leaks, the compressed air in the tank returns to the cylinder head and the pressure drops quickly when the compressor is shut down.

  • Signs:
  • Rapid drainage of pressure from the tank after turning off.
  • Listening to the air out of the input filter after shutdown.
  • Hardness of the compressor on the next starter (such as the cylinder head).
  • When to contact the specialist to repair the wind compressor?

    You can do some simple things like cleaning the air filter or finding minor leakage. But in the following cases, be sure to contact a specialized center to prevent further damage to the device and ensure safety:

  • Electrical Problems: such as a high -profile switch or power panel problems.
  • Basic repairs: such as replacement of piston rims, bearings or repair of the screw air conditioner.
  • Non -detection of the cause of the problem: If you are still in need of pressure,
  • Device.

    Zagros compressor rescue with years of experience in producing and repairing all kinds of piston and screw wind compressors as well as the construction of pressure tanks, ready to provide comprehensive services in Tehran and Suburbs. Our specialist team, using the technical knowledge and advanced equipment, as soon as possible, detects the problem of dropping your wind compressor pressure and will fix it using standard spare parts.

    Nazanin Zahra Ghanimati

    Nazanin Zahra Ghanimati

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