| 长型异径管Reducing Socket（Long Type） |
| 公称直径Nominal diameter |
D1 |
D2 |
L |
Z |
| 25×20 |
25 |
20 |
43.0 |
25 |
| 32×20 |
32 |
20 |
48.0 |
30 |
| 32×25 |
32 |
25 |
50.5 |
30 |
| 40×20 |
40 |
20 |
54.0 |
36 |
| 40×25 |
40 |
25 |
56.5 |
36 |
| 40×32 |
40 |
32 |
60.5 |
36 |
| 50×20 |
50 |
20 |
62.0 |
44 |
| 50×25 |
50 |
25 |
64.5 |
44 |
| 50×32 |
50 |
32 |
68.5 |
44 |
| 50×40 |
50 |
40 |
72.5 |
44 |
| 63×25 |
63 |
25 |
74.5 |
54 |
| 63×32 |
63 |
32 |
78.5 |
54 |
| 63×40 |
63 |
40 |
82.5 |
54 |
| 63×50 |
63 |
50 |
87.5 |
54 |
| 75×32 |
75 |
32 |
86.5 |
62 |
| 75×40 |
75 |
40 |
90.5 |
62 |
| 75×50 |
75 |
50 |
95.5 |
62 |
| 75×63 |
75 |
63 |
102.0 |
62 |
| 90×50 |
90 |
50 |
107.5 |
74 |
| 90×63 |
90 |
63 |
114.0 |
74 |
| 90×75 |
90 |
75 |
120.5 |
74 |
| 110×50 |
110 |
50 |
124.0 |
90.5 |
| 110×63 |
110 |
63 |
128.0 |
88 |
| 110×75 |
110 |
75 |
134.5 |
88 |
| 110×90 |
110 |
90 |
142.0 |
88 |
| 140×90 |
140 |
90 |
165.0 |
111 |
| 160×90 |
160 |
90 |
180.0 |
126 |
| 160×110 |
160 |
110 |
190.0 |
126 |
| 160×140 |
160 |
140 |
206.0 |
126 |
| 200×110 |
200 |
110 |
190.0 |
126 |
| 200×140 |
200 |
140 |
206.0 |
126 |
| 200×160 |
200 |
160 |
216.0 |
126 |
| 250×140 |
250 |
140 |
206.0 |
126 |
| 250×160 |
250 |
160 |
216.0 |
126 |
| 250×200 |
250 |
200 |
237.0 |
126 |
| 315×200 |
315 |
200 |
237.0 |
126 |
| 315×250 |
315 |
250 |
261.0 |
126 |
| 315×160 |
315 |
160 |
336.0 |
250 |
| 400×200 |
400 |
200 |
422.0 |
316 |
| 400×250 |
400 |
280 |
422.0 |
291 |
| 400×315 |
400 |
315 |
422.0 |
258 |
|
