Selection of air supply pipe for valves on vibrating pipelines
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For valves installed on pipes that experience significant vibration, the air supply pipe, being directly connected to the valve, inevitably vibrates along with it. This is especially true for pipes with larger air supply tubes; vibrations in such pipes often lead to air leaks, and in some cases, they can even cause damage to other equipment in the air supply system. Is it feasible to replace these pipes with flexible metal hoses? Are such hoses reliable? If considering adding extra bends or loops to air supply pipes of 1/2’ diameter or larger, is that a viable option, and what are the challenges involved in implementing this solution? (Personally, I am quite skeptical about the quality and reliability of flexible metal hoses.)
It should be to address the issue of pipeline vibration by installing dampers at the source of the vibration
Metal hoses are very reliable; our company also uses them for valves that experience significant vibration
There is no problem with the flexible metal hose; detouring is not recommended, mainly to avoid damage to the hose due to exposure to high temperatures
Copper tubes can be coiled to form something similar to a spring.
This post was last edited by ZhiGE on 2020-3-7 at 22:25. SH 3020-2013 Standard for Design of Gas Supply in Petrochemical Instruments, 6.3.2: Stainless steel flexible hoses are recommended. Choose a reliable brand, such as Swagelok. Additionally, pay attention to the choice of locator at this time; it is recommended to use a locator with magnetic feedback or a split-type locator, in order to prevent vibrations from causing the mechanical feedback mechanism to loosen or damaging the locator itself. It is mainly determined based on the vibration intensity of the valves on site.