Size for Socket Welding Reducer Inserts

| Nominal Pipe Size | Type | Socket DIA | Shank DIA | Bore | Laying Length | Wall | Length | |||||||
| d2 | F | C min | SL | RL min | ||||||||||
| NPS | 3M | 6M | d1 | SD | 3M | 6M | 3M | 6M | 3M | 6M | 3M | 6M | 3M | 6M |
| 3/8×1/4 | 1 | 1 | 14.3 | 17.1 | 9.2 | 6.4 | 19.1 | 21.3 | 3.8 | 4.6 | 14.2 | 15.7 | -- | -- |
| 1/2×3/8 1/2×1/4 |
1 1 |
1 1 |
17.7 14.3 |
21.3 | 12.5 9.2 |
9.1 6.4 |
20.6 20.6 |
23.1 20.6 |
4.0 3.8 |
5.0 4.6 |
15.7 15.7 |
15.7 15.7 |
-- -- |
-- -- |
| 3/4×1/2 3/4×3/8 3/4×1/4 |
1 2 2 |
1 1 2 |
21.9 17.7 14.3 |
26.7 | 15.8 12.5 9.2 |
11.8 9.1 6.4 |
22.4 15.7 17.5 |
25.4 22.4 22.4 |
4.7 4.0 3.8 |
6.0 5.0 4.6 |
17.5 -- -- |
19.1 19.1 -- |
-- 27.0 27.0 |
-- -- 32.0 |
| 1×3/4 1×1/2 1×3/8 1×1/4 |
1 2 2 2 |
1 1 2 2 |
27.3 21.9 17.7 14.3 |
33.4 | 20.9 15.8 12.5 9.2 |
15.5 11.8 9.1 6.4 |
23.9 15.7 17.5 19.1 |
28.5 28.5 22.4 23.9 |
4.9 4.7 4.0 3.8 |
7.0 6.0 5.0 4.6 |
19.1 -- -- -- |
20.6 20.6 -- -- |
-- 28.5 28.5 28.5 |
-- -- 33.3 33.3 |
| 11/4×1 11/4×3/4 11/4×1/2 11/4×3/8 11/4×1/4 |
1 2 2 2 2 |
1 2 2 2 2 |
34.3 37.3 21.9 17.7 14.3 |
42.2 | 26.6 20.9 15.8 12.5 9.2 |
20.7 15.8 11.8 9.1 6.4 |
25.4 17.5 19.1 20.6 22.4 |
30.2 20.6 22.4 23.9 25.4 |
5.7 4.9 4.7 4.0 3.8 |
7.9 7.0 6.0 5.0 4.6 |
20.6 -- -- -- -- |
22.4 -- -- -- -- |
-- 31.8 31.8 31.8 31.8 |
-- 34.8 34.8 34.8 34.8 |
| 11/2×11/4 11/2×1 11/2×3/4 11/2×1/2 11/2×3/8 |
1 2 2 2 2 |
1 2 2 2 2 |
42.8 34.0 27.3 22.0 17.7 |
48.3 | 35.1 26.6 20.9 15.8 12.5 |
29.5 20.7 15.5 11.8 9.1 |
28.5 17.5 19.1 20.6 22.4 |
35.1 29.2 25.4 26.9 28.5 |
6.1 5.7 4.9 4.7 4.0 |
7.9 7.9 7.0 6.0 5.0 |
22.4 -- -- -- -- |
25.4 25.4 -- -- -- |
-- 33.3 33.3 33.3 33.3 |
-- -- 39.6 39.6 39.6 |
| 2×11/2 2×11/4 2×1 2×3/4 2×1/2 |
1 2 2 2 2 |
1 2 2 2 2 |
48.9 42.8 34.0 27.3 21.9 |
60.3 | 40.9 35.1 26.6 20.9 15.8 |
34.0 29.5 20.7 15.5 11.8 |
31.8 20.6 22.4 23.9 25.4 |
38.9 23.9 25.4 26.9 28.5 |
6.4 6.1 5.7 4.9 4.7 |
8.9 7.9 7.9 7.0 6.0 |
25.4 -- -- -- -- |
28.7 -- -- -- -- |
-- 38.1 38.1 38.1 38.1 |
-- 41.2 41.2 41.2 41.2 |
| 21/2×2 21/2×11/2 21/2×11/4 21/2×1 21/2×3/4 |
1 2 2 2 2 |
1 2 2 2 2 |
61.4 48.9 42.8 34.0 27.3 |
70.0 | 52.5 40.9 35.1 26.6 20.9 |
42.9 34.0 29.5 20.7 15.5 |
46.0 35.1 36.6 38.1 39.6 |
42.7 35.1 36.6 38.1 38.1 |
6.9 6.4 6.1 5.7 4.9 |
10.9 8.9 7.9 7.9 7.0 |
38.1 -- -- -- -- |
31.8 -- -- -- -- |
-- 53.9 53.9 53.9 53.9 |
-- 53.9 53.9 53.9 53.9 |
| 3×21/2 3×2 3×11/2 3×11/4 3×1 |
1 2 2 2 2 |
1 2 2 2 2 |
74.1 61.4 48.9 42.8 34.0 |
88.9 | 62.7 52.5 40.9 35.1 26.6 |
54.0 42.0 34.0 29.5 20.7 |
38.1 25.4 28.5 30.2 31.8 |
57.2 31.8 31.8 31.8 31.8 |
8.8 6.9 6.4 6.1 5.7 |
11.9 10.9 8.9 7.9 7.9 |
31.8 -- -- -- -- |
44.5 -- -- -- -- |
-- 47.5 47.5 47.5 47.5 |
-- 53.9 53.9 53.9 53.9 |
| 4×3 4×21/2 4×2 4×11/2 4×11/4 |
2 2 2 2 2 |
1 2 2 2 2 |
90.0 74.1 61.4 48.9 42.8 |
114.3 | 77.9 62.7 52.5 40.9 35.1 |
-- -- -- -- -- |
33.3 38.1 38.1 41.2 42.9 |
-- -- -- -- -- |
9.5 8.8 6.9 6.4 6.1 |
-- -- -- -- -- |
-- -- -- -- -- |
-- -- -- -- -- |
60.5 60.5 60.5 60.5 60.5 |
-- -- -- -- -- |



