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BW Fittings General
LR Elbows
SR Elbows
3D Elbows
LR & SR Returns
Straight Tees
Reducing Tees
Pipe Reducers
Stub Ends
Caps
Welding Bevels
Tolorances
Approx Weight
Elbows (EN10253.2)
Caps (EN10253.2)

Pipe Reducers 

Concentric & Eccentric Reducers

百人牛牛系统有什么规律 www.rfcdk.com                                                            Dimensions of Recucers - ASME B16.9

NPS
OD at Bevel
End-to- End, H
Large End, D
Small End,D1
3/4×1/2
26.7
21.3
38
 3/4x3/8
17.3
1×3/4
33.4
26.7
51
1×1/2
21.3
1-1/4×1
42.2
33.4
51
1-1/4×3/4
26.7
1-1/4×1/2
21.3
1-1/2×1-1/4
48.3
42.2
64
1-1/2×1
33.4
1-1/2×3/4
26.7
1-1/2×1/2
21.3
2×1-1/2
60.3
48.3
76
2×1-1/4
42.2
2×1
33.4
2×3/4
26.7
2-1/2×2
73
60.3
89
2-1/2×1-1/2
48.3
2-1/2×1-1/4
42.2
2-1/2×1
33.4
3×2-1/2
88.9
73
89
3×2
60.3
3×1-1/2
48.3
3×1-1/4
42.2
3-1/2×3
101.6
88.9
102
3-1/2×2-1/2
73
3-1/2×2
60.3
3-1/2×1-1/2
48.3
3-1/2×1-1/4
42.2
4×3-1/2
114.3
101.6
102
4×3
88.9
4×2-1/2
73
4×2
60.3
4×1-1/2
48.3
5×4
141.3
114.3
127
5×3-1/2
101.6
5×3
88.9
5×2-1/2
73
5×2
60.3
6×5
168.3
141.3
140
6×4
114.3
6×3-1/2
101.6
6×3
88.9
6×2-1/2
73
8×6
219.1
168.3
152
8×5
141.3
8×4
114.3
8×3-1/2
101.6
10×8
273
219.1
178
10×6
168.3
10×5
141.3
10×4
114.3
12×10
323.8
273
203
12×8
219.1
12×6
168.3
12×5
141.3
14×12
355.6
323
330
14×10
273
14×8
219.1
14×6
168.3
16×14
406.4
355.6
356
16×12
323.8
16×10
273
16×8
219.1
18×16
457.2
406.4
381
18×14
355.6
18×12
323.8
18×10
273
20×18
508
457.2
508
20×16
406.4
20×14
355.6
20×12
323.8
22×20
558.8
508
508
22×18
457.2
22×16
406.4
22×14
355.6
24×22
609.6
558.8
508
24×20
508
24×18
457.2
24×16
406.4
26×24
660
610
610
26×22
559
26×20
508
26×18
457
28×26
711
660
610
28×24
610
28×20
508
28×18
457
30×28
762
711
610
30×26
660
30×24
610
30×20
508
32×30
813
762
610
32×28
711
32×26
660
32×24
610
34×32
864
813
610
34×30
762
34×26
660
342×4
610
36×34
914
864
610
36×32
713
36×30
762
36×26
660
36×24
610
38×36
965
914
610
38×34
864
38×32
813
38×30
762
38×28
711
38×26
660
40×38
965
610
40×36
1016
914
40×34
864
40×32
813
40×30
762
42×40
1016
610
42×38
1067
965
42×36
914
42×34
864
42×32
813
42×30
762
44×42
1118
1067
610
44×40
1016
44×38
965
44×36
914
46×44
1168
1118
711
46×42
1067
46×40
1016
46×38
965
48×46
1219
1168
711
48×44
1118
48×42
1067
48×40
1016