公称尺寸
DN/ID
|
最小平均内径
dim,min
|
最小壁厚
emin
|
钢带截面参数及加强筋结构高度
|
最大螺距
pmax
|
钢带两侧塑料最小厚度
e1,min
|
||||||||
SN4/SN8
|
SN10
|
SN12.5
|
|||||||||||
钢带最小厚度
tmin
|
钢带最小高度
hmin
|
最小结构高度
ec,min
|
钢带最小厚度
tmin
|
钢带最小高度
hmin
|
最小结构高度
ec,min
|
钢带最小厚度
tmin
|
钢带最小高度
hmin
|
最小结构高度
ec,min
|
|||||
200
|
195
|
1.5
|
1.1
|
8.5
|
12.0
|
1.1
|
8.5
|
12.0
|
—
|
—
|
—
|
38
|
1.5
|
300
|
294
|
2.0
|
1.1
|
8.5
|
12.5
|
1.4
|
8.5
|
12.5
|
—
|
—
|
—
|
38
|
1.5
|
400
|
392
|
2.5
|
1.1
|
14.5
|
19.0
|
1.1
|
14.5
|
19.0
|
—
|
—
|
—
|
38
|
1.5
|
500
|
490
|
3.0
|
1.1
|
14.5
|
19.5
|
1.4
|
14.5
|
19.0
|
—
|
—
|
—
|
38
|
1.5
|
600
|
588
|
3.5
|
1.4
|
16.5
|
22.0
|
1.7
|
16.5
|
22.0
|
1.8
|
16.5
|
22.0
|
38
|
1.5
|
700
|
685
|
4.0
|
1.8
|
16.5
|
22.5
|
1.8
|
19.5
|
25.5
|
1.8
|
19.5
|
25.5
|
38
|
1.5
|
800
|
785
|
4.5
|
1.8
|
19.5
|
26.0
|
2.2
|
19.5
|
26.0
|
1.4
|
24.5
|
31.0
|
38
|
1.5
|
900
|
885
|
5
|
1.4
|
24.5
|
31.5
|
1.7
|
24.5
|
31.5
|
1.8
|
24.5
|
31.5
|
38
|
1.5
|
1000
|
985
|
5
|
1.8
|
24.5
|
31.5
|
2.2
|
24.5
|
31.5
|
2.2
|
24.5
|
31.5
|
38
|
1.5
|
1100
|
1085
|
5
|
1.8
|
29.5
|
36.5
|
2.0
|
29.5
|
36.5
|
2.2
|
29.5
|
36.5
|
38
|
1.5
|
1200
|
1185
|
5
|
1.8
|
29.5
|
36.5
|
2.0
|
29.5
|
36.5
|
2.2
|
29.5
|
36.5
|
38
|
1.5
|
1300
|
1285
|
5
|
1.4
|
35.5
|
42.5
|
1.7
|
35.5
|
42.5
|
1.8
|
35.5
|
42.5
|
38
|
1.5
|
1400
|
1385
|
5
|
1.8
|
35.5
|
42.5
|
1.8
|
35.5
|
42.5
|
2.8
|
35.5
|
42.5
|
38
|
2
|
1500
|
1485
|
5
|
1.8
|
35.5
|
42.5
|
2.2
|
35.5
|
42.5
|
2.8
|
35.5
|
42.5
|
38
|
2
|
1600
|
1585
|
5
|
1.8
|
39.5
|
46.5
|
2.0
|
39.5
|
46.5
|
2.2
|
39.5
|
46.5
|
38
|
2
|
1700
|
1685
|
5
|
2.2
|
39.5
|
46.5
|
2.2
|
39.5
|
46.5
|
2.8
|
39.5
|
46.5
|
38
|
2
|
1800
|
1785
|
5
|
2.2
|
39.5
|
46.5
|
2.8
|
39.5
|
46.5
|
2.8
|
44.5
|
51.5
|
38
|
2
|
1900
|
1885
|
5
|
2.2
|
44.5
|
51.5
|
2.2
|
44.5
|
51.5
|
2.8
|
44.5
|
51.5
|
38
|
2
|
2000
|
1985
|
6
|
2.2
|
44.5
|
52.5
|
2.8
|
44.5
|
52.5
|
2.2
|
52.5
|
60.5
|
38
|
2
|
2100
|
2085
|
6
|
2.8
|
44.5
|
52.5
|
2.8
|
44.5
|
52.5
|
2.8
|
44.5
|
52.5
|
38
|
2
|
2200
|
2185
|
7
|
2.8
|
44.5
|
53.5
|
2.2
|
52.5
|
61.5
|
2.8
|
52.5
|
61.5
|
38
|
2
|
2400
|
2385
|
9
|
2.2
|
52.5
|
63.5
|
2.8
|
52.5
|
63.5
|
2.8
|
55.5
|
55.5
|
38
|
2
|
2600
|
2585
|
10
|
2.8
|
52.5
|
64.5
|
2.8
|
55.5
|
67.5
|
2.8
|
59.5
|
59.5
|
38
|
2
|
2700
|
2685
|
10
|
2.8
|
52.5
|
64.5
|
2.8
|
59.5
|
71.5
|
2.8
|
64.5
|
76.5
|
38
|
2
|
2800
|
2785
|
10
|
2.8
|
52.5
|
64.5
|
2.8
|
64.5
|
76.5
|
2.8
|
69.5
|
81.5
|
38
|
2
|
3000
|
2985
|
11
|
2.8
|
52.5
|
65.5
|
2.8
|
69.5
|
81.5
|
2.8
|
74.5
|
87.5
|
38
|
2
|
3200
|
3185
|
11
|
2.8
|
52.5
|
65.5
|
2.8
|
74.5
|
87.5
|
—
|
—
|
—
|
38
|
2
|
3400
|
3385
|
11
|
2.8
|
52.5
|
65.5
|
2.8
|
74.5
|
87.5
|
—
|
—
|
—
|
38
|
2
|
3600
|
3585
|
11
|
2.8
|
55.5
|
68.5
|
2.8
|
74.5
|
87.5
|
—
|
—
|
—
|
38
|
2
|