Concentric reducer

  • ASTM A335 P22 alloy steel pipe
    ASTM A335 P22 alloy steel pipe
Sunny Steel are Manufacturer, Exporter and Supplier of Concentric reducer. Butt weld Reducers manufactured using superior grade raw materials. Butt weld Reducers are used for connecting pipes of different diameters and find wide applications in various chemicals, construction industries, paper, cement & ship builders.

Concentric reducer is a kind of fitting that be used for reducing piping size. Concentric reducer is most commonly used and often eccentric reducer used in piping in about pump and pipe rack area.
Carbon Steel Reducers with A234 WPB and 1/2 to 56-inch Size (DN15 to DN1400)
Size: Up to 16” N.B. all schedules
Keyword:
Concenteric Reducer, Seamless concentric reducer, Butt-welded concentric reducer, High pressure concentric reducer, Low pressure concentric reducer

ASME B16.9 Butt weld Reducers Dimensions
REDUCERS
inches mm D d H
3/4 x 3/4 20 x 15 26,67 21,34 38,10
3/4 x 3/8 20 x 10 26,67 17,14 38,10
1 x 3/4 25 x 20 33,40 26,67 50,80
1 x 1/2 25 x 15 33,40 21,34 50,80
1 1/4 x 1 32 x 25 42,16 33,40 50,80
1 1/4 x 3/4 32 x 20 42,16 26,67 50,80
1 1/4 x 1/2 32 x 15 42,16 21,34 50,80
1 1/2 x 1 1/4 40 x 32 48,26 42,16 63,50
1 1/2 x 1 40 x 25 48,26 33,40 63,50
1 1/2 x 3/4 40 x 20 48,26 26,67 63,50
1 1/2 x 1/2 40 x 15 48,26 21,34 63,50
2 x 1 1/2 50 x 40 60,32 48,26 76,20
2 x 1 1/4 50 x 32 60,32 42,16 76,20
2 x 1 50 x 25 60,32 33,40 76,20
2 x 3/4 50 x 20 60,32 26,67 76,20
2 1/2 x 2 65 x 50 73,02 60,32 88,90
2 1/2 x 1 1/2 65 x 40 73,02 48,26 88,90
2 1/2 x 1 1/4 65 x 32 73,02 42,16 88,90
2 1/2 x1 65 x 25 73,02 33,40 88,90
3 x 2 1/2 80 x 65 88,90 73,02 88,90
3 x 2 80 x 50 88,90 60,32 88,90
3 x 1 1/2 80 x 40 88,90 48,26 88,90
3 x 1 1/4 80 x 32 88,90 42,16 88,90
3 1/2 x 3 90 x 80 101,60 88,90 101.60
3 1/2 x 2 1/2 90 x 65 101,60 73,02 101.60
3 1/2 x 2 90 x 50 101,60 60,32 101.60
3 1/2 x 1 1/2 90 x 40 101,60 48,26 101.60
3 1/2 x 1 1/4 90 x 32 101,60 42,16 101.60
4 x 3 1/2 100 x 90 114,30 73,02 101.60
4 x 3 100 x 80 114,30 88,90 101.60
4 x 2 1/2 100 x 65 114,30 73,02 101.60
4 x 2 100 x 50 114,30 60,32 101.60
4 x 1 1/2 100 x 40 114,30 48,26 101.60
5 x 4 125 x 100 141,30 114,30 127,00
5 x 3 1/2 125 x 90 141,30 101,60 127,00
5 x 3 125 x 80 141,30 88,90 127,00
5 x 2 1/2 125 x 65 141,30 73,02 127,00
5 x 2 125 x 50 141,30 60,32 127,00
6 x 5 150 x 125 168,27 141,30 139,7
6 x 4 150 x 100 168,27 114,30 139,7
6 x 1/2 150 x 90 168,27 101,60 139,7
6 x 3 150 x 80 168,27 88,90 139,7
6 x 1/2 150 x 65 168,27 73,02 139,7
8 x 6 200 x 150 219,07 168,27 152,4
8 x 5 200 x 125 219,07 141,30 152,4
8 x 4 200 x 100 219,07 114,30 152,4
8 x 3 1/2 200 x 90 219,07 101,60 152,4
10 x 8 250 x 200 273,05 219,07 177,8
10 x 6 250 x 150 273,05 168,27 177,8
10 x 5 250 x 125 273,05 141,30 177,8
10 x 4 250 x 100 273,05 114,30 177,8
12 x 10 300 x 250 323,85 273,05 203,2
12 x 8 300 x 200 323,85 219,07 203,2
12 x 6 300 x 150 323,85 168,27 203,2
12 x 5 300 x 125 323,85 141,30 203,2
14 x 12 350 x 300 355,60 323,85 330,2
14 x 10 350 x 250 355,60 273,05 330,2
14 x 8 350 x 200 355,60 219,07 330,2
14 x 6 350 x 150 355,60 168,27 330,2
16 x 14 400 x 350 406,40 355,60 355,6
16 x 12 400 x 300 406,40 323,85 355,6
16 x 10 400 x 250 406,40 273,05 355,6
16 x 8 400 x 200 406,40 219,07 355,6
18 x 16 450 x 400 457,20 406,40 381,0
18 x 14 450 x 350 457,20 355,60 381,0
18 x 12 450 x 300 457,20 323,85 381,0
18 x 10 450 x 250 457,20 273,05 381,0
20 x 18 500 x 450 508,00 457,20 508,0
20 x 16 500 x 400 508,00 406,40 508,0
20 x 14 500 x 350 508,00 355,60 508,0
20 x 12 500 x 300 508,00 323,85 508,0
22 x 20 550 x 500 558,80 508,00 508,0
22 x 18 550 x 450 558,80 457,20 508,0
22 x 16 550 x 400 558,80 406,40 508,0
22 x 14 550 x 350 558,80 355,60 508,0
24 x 22 600 x 550 609,6 558,80 508,0
24 x 20 600 x 500 609,6 508,00 508,0
24 x 18 600 x 450 609,6 457,20 508,0
24 x 16 600 x 400 609,6 406,40 508,0
Dimension in mm.

 

ASME B16.9 Butt weld Reducers Dimensions tolerances
DIMENSIONAL TOLERANCES – REDUCERS
Reducers
Nominal Pipe Size (NPS) Outside Ø at Bevel Inside Ø at End Wall Thickness
t / t1
Overall Length
H
1/2 a 2 1/2 1 0,8 Not 2
3 a 3 1/2 1 1,6 less 2
4 +2 -1 1,6 than 2
5 a 6 +3 -1 1,6 87,50% 2
8 2 1,6 of nominal 2
10 +4 -3 3,2 tickness 2
12 a 18 +4 -3 3,2 3
20 a 24 +6 -5 4,8 3
26 a 30 +7 -5 4,8 3
32 a 48 +7 -5 4,8 5

 

ASME B16.9 Butt weld Reducers Weights
WEIGHTS OF FITTINGS
NPS
inches
REDUCERS*
Sch.
5S
Sch.
10S
Sch.
40S
Sch.
80S
1/2 0.04 0.04 0.05 0.06
3/4 0.10 0.10 0.14 0.18
1 0.12 0.12 0.16 0.22
1 1/4 0.18 0.18 0.22 0.27
1 1/2 0.21 0.21 0.28 0.33
2 0.30 0.30 0.40 0.55
2 1/2 0.45 0.45 0.80 1.00
3 0.50 0.50 0.90 1.20
4 0.80 0.80 1.50 2.20
5 1.40 1.40 2.70 3.70
6 2.00 2.00 4.00 5.80
8 3.10 3.10 6.90 9.30
10 4.80 4.80 10.5 14.5
12 9.00 9.00 19.0 25.0
14 15.5 15.5 31.0 41.5
16 19.0 19.0 38.0 50.5
18 23.0 23.0 46.0 61.5
20 34.0 34.0 58.5 78.0
24 50.0 50.0 75.0 100
Approximate weights in kg, density 8 kg/dm3
Weights are referred to the reduction with the first smaller diameter
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    Large size caps manufactured using superior grade raw materials.

An effective tubing system has to meet certain requirements.

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