Bend size

The bend is used to change the direction of run of pipe.it advantage is can matach long distance transition requirements,so it is commonly that bends dimension according to customer design. usually,the bends consist of 3D,5D,7D even 12D series.

Constants for Pipe Bends:
Formula: L = R x B
L = Length of pipe required
R = Radius of bend
B = Constant from table used to find “L”

Example: Find the length of pipe required to make a 90 bend with a radius of 30″
L =30 x 1.5705 =47.115 in.or 47-1/8″

Nominal pipe
DN size
Outside Diameter at Bevel Center to End

D1

D2

C

M

Series A Series B Series A Series B
20×15
26.9
25
21.3
18
29
29
25×20
25×15
33.7
33.7
32
32
26.9
21.3
25
18
38
38
38
38
32×25
32×20
32×15
42.4
42.4
42.4
38
38
38
33.7
26.9
21.3
32
25
18
48
48
48
48
48
48
40×32
40×25
40×20
40×15
48.3
48.3
48.3
48.3
45
45
45
45
42.4
33.7
26.7
21.3
38
32
25
18
57
57
57
57
57
57
57
57
50×40
50×32
50×25
50×20
60.3
60.3
60.3
60.3
57
57
57
57
48.3
42.4
33.7
26.9
45
38
32
25
64
64
64
64
60
57
51
44
65×50
65×40
65×32
65×25
76.1(73)
76.1(73)
76.1(73)
76.1(73)
76
76
76
76
60.3
48.3
42.4
33.7
57
45
38
32
76
76
76
76
70
67
64
57
80×65
80×50
80×40
80×32
88.9
88.9
88.9
88.9
89
89
89
89
76.1(73)
60.3
48.3
42.4
76
57
45
38
86
86
86
86
83
76
73
70
90×80
90×65
90×50
90×40
101.6
101.6
101.6
101.6



88.9
76.1(73)
60.3
48.3



95
95
95
95
92
89
83
79
100×90
100×80
100×65
100×50
100×40
114.3
114.3
114.3
114.3
114.3

108
108
108
108
101.6
88.9
76.1(73)
60.3
48.3

89
76
57
45
105
105
105
105
105
102
98
95
89
86
125×100
125×90
125×80
125×65
125×50
139.7
139.7
139.7
139.7
133

133
133
133
114.3
101.6
88.9
76.1(73)
60.3
108

89
76
57
124
124
124
124
124
117
114
111
108
105
150×125
150×100
150×90
150×80
150×65
168.3
168.3
168.3
168.3
168.3
159
159

159
159
139.7
114.3
101.6
88.9
76.1(73)
133
108

89
76
143
143
143
143
143
137
130
127
124
121
200×150
200×125
200×100
200×90
219.1
219.1
219.1
219.1
219
219
219
168.3
139.7
114.3
101.6
159
133
108
178
178
178
178
168
162
156
152
200×200
200×150
200×125
200×100
273.0
273.0
273.0
273.0
273
273
273
273
219.1
168.3
139.7
114.3
219
159
133
108
216
216
216
216
208
194
191
184
300×250
300×200
300×150
323.9
323.9
323.9
325
325
325
273.0
219.1
168.3
273
219
159
254
254
254
241
229
219
300×125
323.9
325
139.7
133
254
216
350×300
350×250
350×200
350×150
355.6
355.6
355.6
355.6
377
377
377
377
323.9
273.0
219.1
168.3
325
273
219
159
279
279
279
279
270
257
248
238
400×350
400×300
400×250
400×200
400×150
406.4
406.4
406.4
406.4
406.4
426
426
426
426
426
355.6
323.9
273.0
219.1
168.3
377
325
273
219
159
305
305
305
305
305
305
295
283
273
264
450×400
450×350
450×300
450×250
450×200
457.2
457.2
457.2
457.2
457.2
478
478
478
478
478
406.4
355.6
323.9
273.0
219.1
426
377
325
273
219
343
343
343
343
343
330
330
321
308
298
500×450
500×100
500×350
500×300
500×250
500×200
508.0
508.0
508.0
508.0
508.0
508.0
529
529
529
529
529
529
457.2
406.4
355.6
323.9
273.0
219.1
478
426
377
325
273
219
381
381
381
381
381
381
368
356
356
346
333
324
550×500
550×450
550×400
559
559
559


508
457
406


419
419
419
406
394
381
600×550
600×550
600×450
610
610
610

630
630
559
508
457

530
480
432
432
432
432
432
419
650×600
650×550
650×500
660
660
660


610
559
508


495
495
495
483
470
457
700×650
700×600
700×550
711
711
711

720
660
610
559

630
521
521
521
521
508
495
750×700
750×650
750×600
762
762
762


711
660
610


559
559
559
546
546
533
800×750
800×700
800×650
813
813
813

820
762
711
660

720
597
597
597
584
572
572
850×800
850×750
850×700
864
864
864


813
762
711


635
635
635
622
610
597
900×850
900×800
900×750
914
914
914

920
864
813
762

820
673
673
673
660
648
635
950×900
950×850
950×800
965
965
965


914
864
813


711
711
711
711
698
686
1000×950
1000×900
1000×8500
1016
1016
1016

1020
965
914
864

920
749
749
749
749
737
724
1000×1000
1050×950
1050×900
1067
1067
1067


1016
965
914


762
762
762
711
711
711
1100×1050
1100×1000
1100×950
1118
1118
1118

1120
1067
1016
965

1020
813
813
813
762
749
737
1150×1100
1150×1050
1150×1000
1168
1168
1168


1118
1067
1016


851
851
851
800
787
775
1200×1150
1200×1100
1200×1050
1220
1220
1220

1220
1168
1118
1067

1120
889
889
889
838
838
813
Nominal pipe size Outside Diameter at Bevel Center to End
D C M
DN INCH Series A Series B
15
1/2
21.3
18
25
20
3/4
26.9
25
29
25
1
33.7
32
38
32
11/4
42.4
38
48
40
11/2
48.3
45
57
50
2
60.3
57
64
65
21/2
76.1(73)
76
76
80
3
88.9
89
86
90
31/2
101.6
95
100
4
114.3
108
105
125
5
139.7
133
124
150
6
168.3
159
143
200
8
219.1
219
178
250
10
273.0
273
216
300
12
323.9
325
254
350
14
355.6
377
279
400
16
406.4
426
305
450
18
457.2
478
343
500
20
508.0
529
381
550
22
559
419
600
24
610
630
432
650
26
660
495
700
28
711
720
521
750
30
762
559
800
32
813
820
597
850
34
864
635
900
36
914
920
673
950
38
965
711
1000
40
1016
1020
749
1050
42
1067
762
711
1100
44
1118
1120
813
762
1150
46
1168
851
800
1200
48
1220
1220
889
838

--- Hot fittings by Sunny Steel ---

Below are our available pipe fittings that will meet your project needs.We will help you put together your entire project and ship it to your closest port.

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