钢塑直管
公称通径 DN
S1
S2
D
F
L
25 (1 ")
2.9
2
21
> 55
< 6000
32 (1.25 ")
28
> 68
40 (1.5 ")
36
> 80
50 (2 ")
3.2
2.5
45
> 90
65 (2.5 ")
4.5
60
> 105
80 (3 ")
3
74
> 125
100 ( 4 ")
5
94
> 150
125 (5 ")
3.5
118
> 185
150 ( 6 ")
5.6
143
> 215
200 ( 8 ")
6.3
191
> 258
250 ( 10 ")
241
> 312
300 ( 12 ")
290
> 365
*350 ( 14 ")
340
> 415
*400 ( 16 ")
390
> 465
*450 ( 18 ")
9
6
438
> 520
*500 ( 20 ")
7
486
> 570
*600 ( 24 ")
8
584
> 670