Takeover flange sealing surface
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Page 437 of HG20583 stipulates that when the sealing surfaces of pipe flanges are concave-convex or tenon-groove types, flanges with concave or grooved surfaces should be used for pipe openings located at the top and sides of the container, while flanges with convex or tenon-shaped surfaces should be used at the bottom of the container. What is the reasoning behind this requirement? ?
Brother Deeper Blue doesn’t visit Haichuan very often; he also mentioned this in his newbie notes, though he didn’t give a reason, only saying that “the content you are about to view may contain adult material.” To continue browsing, please confirm that you are over 18 years old. The author strongly opposes minors from accessing this content; please exercise self-discipline. Thank you! In the standards for pressure vessel flanges and pipe flanges, M and FM are used to denote the male and female surfaces respectively. M is translated in English as male seal face, while FM is female seal face. According to HG/T20583(P437) 7.1.4, the female face of the flange on vertical vessels must face upward – it’s a traditional arrangement, you know. O(∩_∩)O “
What was said on the 2nd floor is that it was mentioned in Cainiao Notes, hehehe… Personally, I think it’s more convenient for assembling larger flanges; it doesn’t really matter for smaller ones
Based on pressure, for safety reasons ha
Guys upstairs, those are gaskets to make installation easier. The gaskets need to be placed in the recessed areas or grooves first; if those recessed areas or grooves are on top, the gaskets won’t fall out once they’re put there
The flow direction of the medium is toward the pipes or containers in case of leakage, rather than outward.
Personally, I think it’s for the sake of easier installation; let an expert explain?
Containers are inevitably subject to scratches during transportation and lifting; using concave or grooved surfaces can prevent or reduce damage to the sealing surfaces. During piping, flanges are relatively easier to control, and the likelihood of collisions is much lower.
It is probably to facilitate the assembly of the gasket. The people upstairs said it’s for safety reasons; I hadn’t thought of that. I’d like to hear more about it
Well, the answer from the 5th floor makes sense. It is mainly based on the fact that the gaskets make it easy to align during installation.