SURFACE PIPE NUMBER n
EFFICENT HEIGHT B
WHOLE HEIGHT B1
WIDTHC
Cl
C2
DIAMETER a
EFFICENT PIPE LENGTH A
A2
2ROW
4ROW
6ROW
8ROW
4
152
228
160
180
260
330
66
100
165
230
47
40
47.5
50
48×3.5
300-2500
178
6
304
8
380
10
456
12
532
14
608
2t30
90
35
60×4
190
16
684
18
760
300-3000
20
836
200
350
60
75×4
205
22
912
24
988
26
1064
28
1140
30
1216
210
220
280
115
52.5
57.5
90×4.5
32
1292
34
1368
36
1444
38
1520
110×4.5
240
1596
42
1672
155
44
1748
46
1824