Questions regarding pipeline filter standards
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Dear experts, what are the differences among the standards for pipe filters such as SH/T 3411, GB/T 14382, HG-T 21637, and HGJ 532? What’s the connection? I’m confused!
Various industries follow those industry standards.
These standards are all in use, and manufacturers tend to prefer SH/T3411-1999. Although some of the values specified in this standard are questionable, it covers the dimensions of most coarse filters, making it quite comprehensive!
You don’t need to worry too much about that standard for this filter; all you need to do is specify the material, the mesh size of the filter screen, the connection flanges, pressure, the total length of the filter, and its type when placing the order. The total length of the filter is quite inconsistent; different manufacturers use different values, and there is basically no standard
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Write down your technical requirements clearly, and then follow the latest standards