Top Entry Ball Valves (API 6D) Face-to-face(A) and End-to-end(B, C) Dimensions
API 6D top entry ball valves face-to-face and end-to-end dimensions in inches and millimeters Class 150–2500 API 6D, 25th edition.
Class 150-300
Dimensions in inches (millimeters)
| NPS | DN | Short Pattern, Full Bore, and Reduced Bore | ||
| Raised Face (A) | Weld End (B) | Ring Joint (C) | ||
| Class 150 and Class 300 | ||||
| 2 | 50 | 11.50(292) | 11.50 (292) | 11.63 (295) |
| 2 1/2 | 65 | 13.00 (330) | 13.00 (330) | 13.13 (333) |
| 3 | 80 | 14.00 (356) | 14.00 (356) | 14.13 (359) |
| 4 | 100 | 17.00 (432) | 17.00 (432) | 17.13 (435) |
| 6 | 150 | 22.00 (559) | 22.00 (559) | 22.13 (562) |
| 8 | 200 | 26.00 (660) | 26.00 (660) | 26.13 (664) |
| 10 | 250 | 31.00 (787) | 31.00 (787) | 31.13 (791) |
| 12 | 300 | 33.00 (838) | 33.00 (838) | 33.13 (841) |
| 14 | 350 | 35.00 (889) | 35.00 (889) | 35.13 (892) |
| 16 | 400 | 39.00 (991) | 39.00 (991) | 39.13 (994) |
| 18 | 450 | 43.00 (1092) | 43.00 (1092) | 43.13 (1095) |
| 20 | 500 | 47.00 (1194) | 47.00 (1194) | 47.25 (1200) |
| 22 | 550 | 51.00 (1295) | 51.00 (1295) | 51.38 (1305) |
| 24 | 600 | 55.00 (1397) | 55.00 (1397) | 55.38 (1407) |
| 26 | 650 | 57.00 (1448) | 57.00 (1448) | 57.50 (1461) |
| 28 | 700 | 61.00 (1549) | 61.00 (1549) | 61.50 (1562) |
| 30 | 750 | 65.00 (1651) | 65.00 (1651) | 65.50 (1664) |
| 32 | 800 | 70.00 (1778) | 70.00 (1778) | 70.63 (1794) |
| 34 | 850 | 76.00 (1930) | 76.00 (1930) | 76.63 (1946) |
| 36 | 900 | 82.00 (2083) | 82.00 (2083) | 82.63 (2099) |
Class 600-900
Dimensions in inches (millimeters)
| NPS | DN | Full Bore, and Reduced Bore | Full Bore, and Reduced Bore | ||||
| Raised Face | Raised Face | Raised Face | Raised Face | Weld End | Ring Joint | ||
| A | A | A | A | B | C | ||
| Class 600 | Class 900 | ||||||
| 2 | 50 | 11.50 (292) | 11.50 (292) | 11.50 (292) | 14.50 (368) | 14.50 (368) | 14.63 (371) |
| 2 1/2 | 65 | 13.00 (330) | 13.00 (330) | 13.00 (330) | 16.50 (419) | 16.50 (419) | 16.63 (422) |
| 3 | 80 | 14.00 (356) | 14.00 (356) | 14.00 (356) | 15.00 (381) | 15.00 (381) | 15.13 (384) |
| 4 | 100 | 17.00 (432) | 17.00 (432) | 17.00 (432) | 18.00 (457) | 18.00 (457) | 18.13 (460) |
| 6 | 150 | 22.00 (559) | 22.00 (559) | 22.00 (559) | 24.00 (610) | 24.00 (610) | 24.13 (613) |
| 8 | 200 | 26.00 (660) | 26.00 (660) | 26.00 (660) | 29.00 (737) | 29.00 (737) | 29.13 (740) |
| 10 | 250 | 31.00 (787) | 31.00 (787) | 31.00 (787) | 33.00 (838) | 33.00 (838) | 33.13 (841) |
| 12 | 300 | 33.00 (838) | 33.00 (838) | 33.00 (838) | 38.00 (965) | 38.00 (965) | 38.13 (968) |
| 14 | 350 | 35.00 (889) | 35.00 (889) | 35.00 (889) | 40.50 (1029) | 40.50 (1029) | 40.88 (1038) |
| 16 | 400 | 39.00 (991) | 39.00 (991) | 39.00 (991) | 44.50 (1130) | 44.50 (1130) | 44.88 (1140) |
| 18 | 450 | 43.00 (1092) | 43.00 (1092) | 43.00 (1092) | 48.00 (1219) | 48.00 (1219) | 48.50 (1232) |
| 20 | 500 | 47.00 (1194) | 47.00 (1194) | 47.00 (1194) | 52.00 (1321) | 52.00 (1321) | 52.50 (1334) |
| 22 | 550 | 51.00 (1295) | 51.00 (1295) | 51.00 (1295) | — | — | — |
| 24 | 600 | 55.00 (1397) | 55.00 (1397) | 55.00 (1397) | 61.00 (1549) | 61.00 (1549) | 61.75 (1568) |
| 26 | 650 | 57.00 (1448) | 57.00 (1448) | 57.00 (1448) | 65.00 (1651) | — | 65.88 (1673) |
| 28 | 700 | 61.00 (1549) | 61.00 (1549) | 61.00 (1549) | — | — | — |
| 30 | 750 | 65.00 (1651) | 65.00 (1651) | 65.00 (1651) | 74.00 (1880) | — | 74.88 (1902) |
| 32 | 800 | 70.00 (1778) | 70.00 (1778) | 70.00 (1778) | — | — | — |
| 34 | 850 | 76.00 (1930) | 76.00 (1930) | 76.00 (1930) | — | — | — |
| 36 | 900 | 82.00 (2083) | 82.00 (2083) | 82.00 (2083) | 90.00 (2286) | — | 91.13 (2315) |
Class 1500-2500
Dimensions in inches (millimeters)
| NPS | DN | Full Bore and Reduced Bore | Full Bore, and Reduced Bore | ||||
| Raised Face | Weld End | Ring Joint | Raised Face | Weld End | Ring Joint | ||
| A | B | C | A | B | C | ||
| Class 1500 | Class 2500 | ||||||
| 2 | 50 | 14.50(368) | 14.50 (368) | 14.63 (371) | 17.75 (451) | 17.75 (451) | 17.88 (454) |
| 2 1/2 | 65 | 16.50 (419) | 16.50 (419) | 16.63 (422) | 20.00 (508) | 20.00 (508) | 20.25 (514) |
| 3 | 80 | 18.50 (470) | 18.50 (470) | 18.63 (473) | 22.75 (578) | 22.75 (578) | 23.00 (584) |
| 4 | 100 | 21.50 (546) | 21.50 (546) | 21.63 (549) | 26.50 (673) | 26.50 (673) | 26.88 (683) |
| 6 | 150 | 27.75 (705) | 27.75 (705) | 28.00 (711) | 36.00 (914) | 36.00 (914) | 36.50 (927) |
| 8 | 200 | 32.75 (832) | 32.75 (832) | 33.13 (841) | 40.25 (1022) | 40.25 (1022) | 40.88 (1038) |
| 10 | 250 | 39.00 (991) | 39.00 (991) | 39.38 (1000) | 50.00 (1270) | 50.00 (1270) | 50.88 (1292) |
| 12 | 300 | 44.50 (1130) | 44.50 (1130) | 45.13 (1146) | 56.00 (1422) | 56.00 (1422) | 56.88 (1445) |
| 14 | 350 | 49.50 (1257) | 49.50 (1257) | 50.25 (1276) | — | — | — |
| 16 | 400 | 54.50 (1384) | 54.50 (1384) | 55.38 (1407) | — | — | — |
| 18 | 450 | 60.50 (1537) | — | 61.38 (1559) | — | — | — |
| 20 | 500 | 65.50 (1664) | — | 66.38 (1686) | — | — | — |
| 22 | 550 | — | — | — | — | — | — |
| 24 | 600 | — | — | 77.63 (1972) | — | — | — |
| 26 | 650 | 76.5 (1943) | — | — | — | — | — |
More information for ball valve selection guide.
