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When building a hose station, is there such a requirement: “The valve should face inward, ensuring that nitrogen is always on the right side”? Are there any requirements regarding the ordering of pipes at the hose station? I heard from my colleagues around me that the material inside the pipes isn’t indicated at the site; is it the color used for differentiation during on-site operations, or something else?
There are requirements regarding sorting; you can check the relevant specifications. From an operational perspective, the sorting is from left to right, usually nitrogen, then device air, steam, and water
Dear seniors, may I ask if 304 stainless steel bellows can withstand sulfur trioxide?
Nitrogen vaporized water – generally, color is used, and Chinese characters can also be marked on the pipes
The areas are distinguished by color: nitrogen is yellow, water is green, and steam is used for insulation, which helps to differentiate them
““The valve rushes towards itself” – that sounds quite terrifying. . It is the valve handwheel that moves towards oneself. The sequence shall follow the unified regulations specified in the project design; if the client has specific requirements, these can be changed and reflected in the design specifications.
It will be marked on-site, but during the design phase, it’s sufficient to ensure a uniform order – in cold areas, the water pipes and steam pipes can be placed together to prevent freezing!