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Concentric Reducer
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Concentric Reducer

Concentric Reducer, which is connected in the form of directly butt-welding the reducer to the steel pipe, is mainly divided according to the material, production method, manufacturing standards and radius of curvature. Concentric reducer is mainly used in weak corrosion-resistant media.
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Product Introduction
Concentric Reducer Description

Concentric Reducer, which is connected in the form of directly butt-welding the reducer to the steel pipe, is mainly divided according to the material, production method, manufacturing standards and radius of curvature. Concentric reducer is mainly used in weak corrosion-resistant media.

Materials Carbon Steel --- ASTM A234 WPB/WPC, ASTM A105/A106/A53/A283-D,
API 5l GR.B/A671-CC-70/A515-50/A135-A/A179-C
Stainless Steel --- ASTM 403 304/304L, 316/316L,316Ti,321,317L,310S
Alloy Steel --- ASTM 234 WP 1/5/9/11/12/22/91
Specification NPS from 3/4'' to 48'', DN from 20 to 1200,
WT: 2-80mm, SCH 40/80/XXS
Manufacturing standards ANSI, ISO, JIS and DIN
Surface Light Oiling, Black Painting
Packing Packed in Wood Cabins/ Wood Tray

 

 

Concentric Reducer Classification

Classified by material
Carbon Steel: ASTM/ASME A234 WPB, WPC
Alloy: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911, 15Mo3 15CrMoV, 35CrMoV
Stainless Steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
astm/asme a403 wp 321-321h astm/asme a403 wp 347-347h
Low Temperature Steels: ASTM/ASME A402 WPL3-WPL 6
High Performance Steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70
Cast Steel, Alloy Steel, Stainless Steel, Copper, Aluminum Alloy, Plastic, Argon Pitch, PVC, PPR, RFPP (Reinforced Polypropylene), etc.

 

Concentric Reducer Size

 

Nominal pipe Outside Diameter at Bevel Center to End
DN size D1 D2 End to End
Series A Series B Series A Series B L
20×15 26.9 25 21.3 18 38
25×20 33.7 32 26.9 25 51
25×15 33.7 32 21.3 18 51
32×25 42.4 38 33.7 32 51
32×20 42.4 38 26.9 25 51
32×15 42.4 38 21.3 18 51
40×32 48.3 45 42.4 38 64
40×25 48.3 45 33.7 32 64
40×20 48.3 45 26.7 25 64
40×15 48.3 45 21.3 18 64
50×40 60.3 57 48.3 45 76
50×32 60.3 57 42.4 38 76
50×25 60.3 57 33.7 32 76
50×20 60.3 57 26.9 25 76
65×50 76.1(73) 76 60.3 57 89
65×40 76.1(73) 76 48.3 45 89
65×32 76.1(73) 76 42.4 38 89
65×25 76.1(73) 76 33.7 32 89
80×65 88.9 89 76.1(73) 76 89
80×50 88.9 89 60.3 57 89
80×40 88.9 89 48.3 45 89
80×32 88.9 89 42.4 38 89
90×80 101.6 - 88.9 - 102
90×65 101.6 - 76.1(73) - 102
90×50 101.6 - 60.3 - 102
90×40 101.6 - 48.3 - 102
90×32 101.6 - 42.4 - 102
100×90 114.3 108 101.6 - 102
100×80 114.3 108 88.9 89 102
100×65 114.3 108 76.1(73) 76 102
100×50 114.3 108 60.3 57 102
100×40 114.3 108 48.3 45 102
125×100 139.7 133 114.3 108 127
125×90 139.7 - 101.6 - 127
125×80 139.7 133 88.9 89 127
125×65 139.7 133 76.1(73) 76 127
125×50 139.7 133 60.3 57 127
150×125 168.3 159 139.7 133 140
150×100 168.3 159 114.3 108 140
150×90 168.3 - 101.6 - 140
150×80 168.3 159 88.9 89 140
150×65 168.3 159 76.1(73) 76 140
200×150 219.1 219 163.8 159 152
200×125 219.1 219 139.7 133 152
200×100 219.1 219 114.3 108 152
200×90 219.1 - 101.6 - 152
250×200 273 273 219.1 219 178
250×150 273 273 168.3 159 178
250×125 273 273 139.7 133 178
250×100 273 273 114.3 108 178
300×250 323.9 325 273 273 203
300×200 323.9 325 219.1 219 203
300×150 323.9 325 168.3 159 203
300×125 323.9 325 139.7 133 203
350×300 355.6 377 323.9 325 330
350×250 355.6 377 273 273 330
350×200 355.6 377 219.1 219 330
350×150 355.6 377 168.3 159 330
400×350 406.4 426 355.6 377 356
400×300 406.4 426 323.9 325 356
400×250 406.4 426 273 273 356
400×200 406.4 426 219.1 219 356
450×400 457.2 478 406.4 426 381
450×350 457.2 478 355.6 377 381
450×300 457.2 478 323.9 325 381
450×250 457.2 478 273 273 381
500×450 508 529 457.2 478 508
500×400 508 529 406.4 426 508
500×350 508 529 355.6 377 508
500×300 508 529 323.9 325 508
550×500 559 - 508 - 508
550×450 559 - 457 - 508
550×400 559 - 406 - 508
550×350 559 - 356 - 508
600×550 610 - 559 - 508
600×500 610 630 508 530 508
600×450 610 630 457 480 508
600×400 610 630 406 426 508
650×600 660 - 610 - 610
650×550 660 - 559 630 610
650×500 660 - 508 - 610
650×450 660 - 457 630 610
700×650 711 - 660 - 610
700×600 711 720 310 720 610
700×550 711 - 559 - 610
700×500 711 720 508 630 610
750×700 762 - 711 - 610
750×650 762 - 660 - 610
750×600 762 - 610 - 610
750×550 762 - 559 - 610
800×750 813 - 762 - 610
800×700 813 820 711 720 610
800×650 813 - 660 - 610
800×600 813 820 610 630 610
850×800 864 - 813 - 610
850×750 864 - 762 - 610
850×700 864 - 711 - 610
850×650 864 - 660 - 610
900×850 914 - 864 - 610
900×800 914 920 813 820 610
900×750 914 - 762 - 610
900×700 914 920 711 820 610
950×900 965 - 914 - 610
950×850 965 - 864 - 610
950×800 965 - 813 - 610
950×750 965 - 762 - 610
1000×950 1016 - 965 - 610
1000×900 1016 1020 914 920 610
1000×850 1016 - 864 - 610
1000×800 1016 1020 813 920 610
1050×1000 1067 - 1016 - 610
1050×950 1067 - 965 - 610
1050×900 1067 - 914 - 610
1050×850 1067 - 864 - 610
1100×1050 1118 - 1067 - 610
1100×1000 1118 1120 1016 1020 610
1100×950 1118 - 965 - 610
1100×900 1118 1120 914 1020 610
1150×1100 1168 - 1118 - 711
1150×1050 1168 - 1067 - 711
1150×1000 1168 - 1016 - 711
1150×950 1168 - 965 - 711
1200×1150 1220 - 1168 - 711
1200×1100 1220 1220 1118 1120 711
1200×1050 1220 - 1067 - 711
1200×1000 1220 1220 1016 1120 711
 
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