A pipe with an inner diameter of 39, and a pipe with an inner diameter of 77
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I made a simple Y-shaped filter using pipes with inner diameters of 40 and 80 respectively. However, the workers said they couldn’t find such pipes; they only found ones with inner diameters of 39 and 77. Are these pipes non-standard, or do they correspond to some standard?
For those with an inner diameter of 40, you can choose the size 39; for those with an inner diameter of 80, you can opt for the size 88.9*4.5
You didn’t say how thick the pipe is. . . Why not mention the outer diameter?
For pipes with an inner diameter of 40, 48*4 can be chosen
Reply 1# woliaibo: To facilitate manufacturing and the standardization of components, as well as to reduce the use of various non-standard pipe fittings and valves, there are specified outer diameters for pipes. Generally, there are national standards and American standards. For pipes with the same nominal diameter, the associated valves, flanges, elbows, tees, etc., all have the same nominal diameter and outer diameter; the inner diameter varies depending on the different wall thickness categories. The pipes you need are likely the DN40 (48X4) and DN80 (89X6) pipes mentioned above, which will meet the requirements