Type D couplers
Type D couplers are generally used with the same size Type A adapters, however, Type E and F adapters are compatible, as well as the DP (Dust Plug).
Size(mm) |
1/2′ |
3/4′ |
1′ |
1-1/4′ |
1-1/2′ |
2′ |
2-1/2′ |
3′ |
4′ |
6′ |
L1 |
43.5 |
45 |
54.5 |
60.5 |
65 |
73 |
80 |
83 |
87 |
99 |
L2 |
14.5 |
14.5 |
18 |
20 |
21 |
24 |
27 |
30 |
34 |
36 |
L3 |
4.5 |
6.35 |
6.5 |
7.14 |
7.14 |
7.14 |
7.14 |
7.14 |
7.14 |
9.5 |
L4 |
25.5 |
27 |
33 |
38 |
41 |
45 |
49 |
49 |
48 |
55 |
A1 |
33.5 |
40.5 |
46.5 |
55 |
63.5 |
73.5 |
88 |
104.5 |
134.5 |
195 |
A2 |
24.5 |
32.7 |
37.8 |
46 |
54 |
64 |
76.8 |
92.2 |
120.5 |
177 |
A3 |
26 |
36.12 |
38.5 |
50.8 |
57.2 |
66 |
78 |
96 |
124 |
181 |
A4 |
14 |
20 |
25 |
35 |
40 |
51 |
61.5 |
76.5 |
102 |
152 |