Valve installation
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Are valves needed at the inlet and outlet of pipelines connected to equipment?
It is usually added for outgoing devices, and it can be added or not for incoming devices
Whether valves are needed at the inlet and outlet of piping systems should be determined based on process requirements or safety isolation needs. There are many types of equipment, including static and dynamic equipment, and different requirements apply to the installation of pipes and valves at the inlets and outlets. The specific approach should be determined by the systems specialists based on the principles of isolation for the project; in China, reference can be made to the relevant requirements outlined in HG/T20570.18 \"Installation of Valves\"
It generally needs to be added; otherwise, how can you fix it when there’s a fault?
Valves are usually added. Easy to isolate and convenient for maintenance
It should generally be added, as it can stop both equipment leaks and pipeline leaks.
Valves are usually added for the convenience of maintenance and other purposes.