มิติชนรอยลดประเดิม -ASME B16.9- NPS 8- 48
NPS |
O.D.
D |
O.D.
D1 |
ศูนย์ท้าย
C |
ศูนย์ท้าย
ม |
8 - 31/2 |
219.1 |
101.6 |
178 |
152 |
10-4 |
273 |
114.3 |
216 |
184 |
12-5 |
323.8 |
141.3 |
254 |
216 |
14-6 |
355.6 |
168.3 |
279 |
238 |
16-6 |
406.4 |
168.3 |
305 |
264 |
18-8 |
457 |
219.1 |
343 |
298 |
20-8 |
508 |
219.1 |
381 |
324 |
22-10 |
559 |
273 |
419 |
359 |
24-10 |
610 |
273 |
432 |
384 |
26-12 |
660 |
323.8 |
495 |
422 |
28-12 |
711 |
323.8 |
521 |
448 |
30-10 |
762 |
273 |
559 |
460 |
32 - 14 |
813 |
355.6 |
597 |
508 |
34 - 16 |
864 |
406.4 |
635 |
533 |
36 - 16 |
914 |
406.4 |
673 |
559 |
38 - 18 |
965 |
457 |
711 |
597 |
40 - 18 |
1016 |
457 |
749 |
622 |
42 - 16 |
1067 |
406.4 |
762 |
635 |
44 - 20 |
1118 |
508 |
813 |
686 |
46 - 22 |
1168 |
559 |
851 |
724 |
48 - 22 |
1219 |
559 |
889 |
737 |
ฯลฯ. |