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A check valve, also known as a non-return valve, is a valve that allows fluid to flow in one direction only. Learn about the different types of check valves, such as ball, diaphragm, swing, butterfly, and stop valves, and their uses in pumps, industrial processes, and domestic devices.
A piping and instrumentation diagram (P&ID) is a detailed diagram in the process industry that shows process equipment and control devices. Learn about the symbols, functions, and applications of P&IDs, and see examples and standards.
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This symbol is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Redrew jpg as svg. The original can be viewed here: Check valve.jpg: File:Check valve.jpg. Modifications made by Gregors.
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You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Learn the meaning and usage of various symbols and terms on engineering drawings, such as ASME, AISI, AQL, and more. This list covers common abbreviations for materials, dimensions, standards, and other aspects of engineering drawing.
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