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My pneumatic control system has cleaning devices to remove the contaminating oil and water, why is my temperature control system contaminated?

April 26, 2017cleaning contaminating CONTROL Devices Oil pneumatic remove system temperature water

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My pneumatic control system has cleaning devices to remove the contaminating oil and water, why is my temperature control system contaminated?

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Various air cleaning devices are installed in the compressed air piping to remove the oil and water. These include various types of water/oil separators and refrigerated air dryers. These cleaning devices require continuing maintenance. Even with proper maintenance, some oil or water will migrate into the pneumatic control system and contaminate it. When a cleaning device fails, massive amounts of oil and water will contaminate the control piping.