Color Coding Of Hydraulic System - Aircraft Maintenance Engineer

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To Enhance the understanding of a hydraulic system, a standardized color coding of flows and pressures was established by the Joint Industry Conference (JIC) and American National Standards Institute (ANSI).

REDSignifies Operation system pressure.of of the fluid, often used for the piping extends form the pump, to the pressure relief valve, to the first component that restricts the flow.

BLUEBlue is used to show the fluid is not restricted, indicating there is minimal fluid pressure

GREENGreen signifies the intake fluid from piped form the reservoir to the pump.

YELLOWYellow illustrates the controlled (metered) fluid flow after it passed through the restriction valve.

ORANGEOrange shows the fluid that has been reduced from the system pressure, such as the fluid at the output of a pressure regulated valve.

VIOLET indicates the increased fluid pressure as a result of a amplified system pressure. eg: Fluid at thee output of the intensifier.

WHITE is to show is the fluid pressure in the system is zero or no pressure. Eg: fuild at the output of the intensifier when pump its not operational.Manage Cookie ConsentTo provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.Functional Functional Always active The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.Preferences Preferences The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.Statistics Statistics The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.Marketing Marketing The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.

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