Pipe Size

(NPS)

ASME-ANSI Class Dimension

A (Outside Diameter – IN)

B (Inside BORE-IN)
15030060090015002500
1/2
3/4
12 1/22 3/42 3/4333 1/41 1/8
1 1/43 2 7/83 1/83 1/83 3/81 1/2
1 1/23 1/43 5/83 5/83 3/43 3/44 1/21 5/8
244 1/44 1/45 1/25 1/25 5/82 1/8
2 1/24 3/4556 3/86 1/22 1/2
35 1/45 3/45 3/46 1/26 3/47 5/83 1/8
3 1/26 1/46 3/86 1/43 5/8
46 3/477 1/288 1/89 1/84 1/8
57 5/88 3/89 3/89 5/89 7/810 7/85 1/8
68 5/89 3/410 3/811 1/41112 3/86 1/8
810 7/81212 1/21413 3/415 1/88
1013 1/414 1/815 5/8171718 5/810 1/8
121616 1/217 3/419 1/220 3/821 1/212
1417 5/81919 1/420 3/822 5/813 1/4
1615 1/421 1/82222 3/825 1/815 1/4
1821 1/223 3/8242527 5/817 1/4
2023 3/425 5/826 3/427 3/829 5/819 1/4
22
2428 1/830 3/83132 7/835 3/823 1/4

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Standard Bleed Ring