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    Pipe fitting

    Description

    Specifications and parameters of three-way and four-way butt welding, etc. (GB12459, GB/T13401) nominal diameter D center of DN end part and end face A series B series

    Nominal diameter

    Nominal Diameter Outside diameter at groove

    Outside Diameter Center to face

    Center to End

    D1 D2

    DN NPS Aseries

    Series A Bseries

    Series B Aseries

    Series A Bseries

    Series B C M

    15×15 1/2×1/2 21.3 18 21.3 18 25 25

    15×10 1/2×3/8 21.3 18 17.3 14 25 25

    15×8 1/2×1/4 21.3 18 13.7 10 25 25

    20×20 3/4×3/4 26.9 25 26.9 25 29 29

    20×15 3/4×1/2 26.9 25 21.3 18 29 29

    20×10 3/4×3/8 26.9 25 17.3 14 29 29

    25×25 1×1 33.7 32 33.7 32 38 38

    25×20 1×3/4 33.7 32 26.9 25 38 38

    25×15 1×1/2 33.7 32 21.3 18 38 38

    32×32 1.1/4×1.1/4 42.4 38 42.4 38 48 48

    32×25 1.1/4×1 42.4 38 33.7 32 48 48

    32×20 1.1/4×3/4 42.4 38 26.9 25 48 48

    32×15 1.1/4×1/2 42.4 38 21.3 18 48 48

    40×40 1.1/2×1.1/2 48.3 45 48.3 45 57 57

    40×32 1.1/2×1.1/4 48.3 45 42.4 38 57 57

    40×25 1.1/2×1 48.3 45 33.7 32 57 57

    40×20 1.1/2×3/4 48.3 45 26.9 25 57 57

    40×15 1.1/2×1/2 48.3 45 21.3 18 57 57

    50×50 2×2 60.3 57 60.3 57 64 64

    50×40 2×1.1/2 60.3 57 48.3 45 64 60

    50×32 2×1.1/4 60.3 57 42.4 38 64 57

    50×25 2×1 60.3 57 33.7 32 64 51

    50×20 2×3/4 60.3 57 26.9 25 64 44

    65×65 2/1/2×2.1/2 73.0 76 73.0 76 76 76

    65×50 2/1/2×2 73.0 76 60.3 57 76 70

    65×40 2/1/2×1.1/2 73.0 76 48.3 45 76 67

    65×32 2/1/2×1.1/4 73.0 76 42.4 38 76 64

    65×25 2/1/2×1 73.0 76 33.7 32 76 57

    80×80 3×3 88.9 89 88.9 89 86 86

    80×65 3×2.1/2 88.9 89 73.0 76 86 83

    80×50 3×2 88.9 89 60.3 57 86 76

    80×40 3×1.1/2 88.9 89 48.3 45 86 73

    80×32 3×1.1/4 88.9 89 42.4 38 86 70

    90×90 3.1/2×3.1/2 101.6 - 101.6 - 95 95

    90×80 3.1/2×3 101.6 - 88.9 89 95 92

    90×65 3.1/2×2.1/2 101.6 - 73.0 76 95 89

    90×50 3.1/2×2 101.6 - 60.3 57 95 83

    90×40 3.1/2×1.1/2 101.6 - 48.3 45 95 79

    100×100 4×4 114.3 108 114.3 108 105 105

    100×90 4×3.1/2 114.3 108 101.6 - 105 102

    100×80 4×3 114.3 108 88.9 89 105 98

    100×65 4×2.1/2 114.3 108 73.0 76 105 95

    100×50 4×2 114.3 108 60.3 57 105 89

    100×40 4×1.1/2 114.3 108 48.3 45 105 86

    125×125 5×5 141.3 133 141.3 133 124 124

    125×100 5×4 141.3 133 114.3 108 124 117

    125×90 5×3.1/2 141.3 - 101.6 - 124 114

    125×80 5×3 141.3 133 88.9 89 124 111

    125×65 5×2.1.2 141.3 133 73.0 76 124 108

    125×50 5×2 141.3 133 60.3 57 124 105

    150×150 6×6 168.3 159 168.3 159 143 143

    150×125 6×5 168.3 159 141.3 133 143 137

    150×100 6×4 168.3 159 114.3 108 143 130

    150×90 6×3.1/2 168.3 - 101.6 - 143 127

    150×80 6×3 168.3 159 88.9 89 143 124

    150×65 6×2.1/2 168.3 159 73.0 76 143 121

    200×200 8×8 219.1 219 219.1 219 178 178

    200×150 8×6 219.1 219 168.3 159 178 168

    200×125 8×5 219.1 219 141.4 133 178 162

    200×100 8×4 219.1 219 114.3 108 178 156

    200×90 8×3.1/2 219.1 - 101.6 - 178 152

    250×250 10×10 273.0 273 273.0 273 216 216

    250×200 10×8 273.0 273 219.1 219 216 203

    250×150 10×6 273.0 273 168.3 159 216 194

    250×125 10×5 273.0 273 141.3 133 216 191

    250×100 10×4 273.0 273 114.3 108 216 184

    300×300 12×12 323.9 325 323.9 325 254 254

    300×250 12×10 323.9 325 273.0 273 254 241

    300×200 12×8 323.9 325 219.1 219 254 229

    300×150 12×6 323.9 325 168.3 159 254 219

    300×125 12×5 323.9 325 141.3 133 254 216

    350×350 14×14 355.6 377 355.6 377 279 279

    350×300 14×12 355.6 377 323.9 325 279 270

    350×250 14×10 355.6 377 273.0 273 279 257

    350×200 14×8 355.6 377 219.1 219 279 248

    350×150 14×6 355.6 377 168.3 159 279 238

    400×400 16×16 406.4 426 406.4 426 305 305

    400×350 16×14 406.4 426 355.6 377 305 305

    400×300 16×12 406.4 426 323.9 325 305 295

    400×250 16×10 406.4 426 273.0 273 305 283

    400×200 16×8 406.4 426 219.1 219 305 273

    400×150 16×6 406.4 426 168.3 159 305 264

    450×450 18×18 457 480 457 480 343 343

    450×400 18×16 457 480 406.4 426 343 330

    450×350 18×14 457 480 355.6 377 343 330

    450×300 18×12 457 480 323.9 325 343 321

    450×250 18×10 457 480 273.0 273 343 308

    450×200 18×8 457 480 219.1 219 343 298

    500×500 20×20 508 530 508 530 381 381

    500×450 20×20 508 530 457 480 381 368

    500×400 20×20 508 530 406.4 426 381 356

    500×350 20×20 508 530 355.6 377 381 356

    500×300 20×20 508 530 323.9 325 381 346

    500×250 20×20 508 530 273.0 273 381 333

    500×200 20×20 508 530 219.1 219 381 324

    550×550 22×22 559 - 559 - 419 419

    550×500 22×20 559 - 508 - 419 406

    550×450 22×18 559 - 457 - 419 394

    550×400 22×16 559 - 406.4 - 419 381

    550×350 22×14 559 - 355.6 - 419 381

    550×300 22×12 559 - 323.9 - 419 371

    550×250 22×10 559 - 273.0 - 419 359

    600×600 24×24 610 630 610 630 432 432

    600×550 24×22 610 - 559 - 432 432

    600×500 24×20 610 630 508 530 432 432

    600×450 24×18 610 630 457 480 432 419

    600×400 24×16 610 630 406.4 426 432 406

    600×350 24×14 610 630 355.6 377 432 406

    600×300 24×12 610 630 323.9 325 432 397

    600×250 24×10 610 630 273.0 273 432 384

    650×650 26×26 660 - 660 - 495 495

    650×600 26×24 660 - 610 - 495 483

    650×550 26×22 660 - 559 - 495 470

    650×500 26×20 660 - 508 - 495 457

    650×450 26×18 660 - 457 - 495 444

    650×400 26×16 660 - 406.4 - 495 432

    650×350 26×14 660 - 355.6 - 495 432

    650×300 26×12 660 - 323.9 - 495 422

    700×700 28×28 711 720 711 720 521 521

    700×650 28×26 711 - 660 - 521 521

    700×600 28×24 711 720 610 630 521 508

    700×550 28×22 711 - 559 - 521 495

    700×500 28×20 711 720 508 529 521 483

    700×450 28×18 711 720 457 478 521 470

    700×400 28×16 711 720 406.4 426 521 457

    700×350 28×14 711 720 355.6 377 521 457

    700×300 28×12 711 720 323.9 325 521 448

    750×750 30×30 762 - 762 - 559 559

    750×700 30×28 762 - 711 - 559 546

    750×650 30×26 762 - 660 - 559 546

    750×600 30×24 762 - 610 - 559 533

    750×550 30×22 762 - 559 - 559 521

    750×500 30×20 762 - 508 - 559 508

    750×450 30×18 762 - 457 - 559 495

    750×400 30×16 762 - 406.4 - 559 483

    750×350 30×14 762 - 355.6 - 559 483

    750×300 30×12 762 - 323.9 - 559 473

    750×250 30×10 762 - 273.0 - 559 460

    800×800 32×32 813 820 813 820 597 597

    800×750 32×30 813 - 762 - 597 584

    800×700 32×28 813 820 711 720 597 572

    800×650 32×26 813 - 660 - 597 572

    800×600 32×24 813 820 610 630 597 559

    800×550 32×22 813 - 559 - 597 546

    800×500 32×20 813 820 508 529 597 533

    800×450 32×18 813 820 457 478 597 521

    800×400 32×16 813 820 406.4 426 597 508

    800×350 32×14 813 820 355.6 377 597 508

    850×850 34×34 864 - 864 - 635 635

    850×800 34×32 864 - 813 - 635 622

    850×750 34×30 864 - 762 - 635 610

    850×700 34×28 864 - 711 - 635 597

    850×650 34×26 864 - 660 - 635 597

    850×600 34×24 864 - 610 - 635 584

    850×550 34×22 864 - 559 - 635 572

    850×500 34×20 864 - 508 - 635 559

    850×450 34×18 864 - 457 - 635 546

    850×400 34×16 864 - 406.4 - 635 533

    900×900 36×36 914 920 914 920 673 673

    900×850 36×34 914 - 864 - 673 660

    900×800 36×32 914 920 813 820 673 648

    900×750 36×30 914 - 762 - 673 635

    900×700 36×28 914 920 711 720 673 622

    900×650 36×26 914 - 660 - 673 622

    900×600 36×24 914 - 610 - 673 610

    900×550 36×22 914 - 559 - 673 597

    900×500 36×20 914 920 508 529 673 584

    900×450 36×18 914 920 457 478 673 572

    900×400 36×16 914 920 406.4 426 673 559

    950×950 38×38 965 - 965 - 711 711

    950×900 38×36 965 - 914 - 711 711

    950×850 38×34 965 - 864 - 711 698

    950×800 38×32 965 - 813 - 711 686

    950×750 38×30 965 - 762 - 711 673

    950×700 38×28 965 - 711 - 711 648

    1000×1000 40×40 1016  1016  749 749

    1000×950 40×38 1016 - 965 - 749 749

    1000×900 40×36 1016 1020 914 920 749 737

    1000×850 40×34 1016 - 864 - 749 724

    1000×800 40×32 1016 1020 813 820 749 711

    1000×750 40×30 1016 - 762 - 749 698

    1050×1050 42×42 1067 - 1067 - 762 762

    1050×1000 42×40 1067 - 1016 - 762 711

    1050×950 42×38 1067 - 965 - 762 711

    1050×900 42×36 1067 - 914 - 762 711

    1050×850 42×34 1067 - 864 - 762 711

    1050×800 42×32 1067 - 813 - 762 711

    1100×1100 44×44 1118 1120 1118 1120 813 813

    1100×1050 44×42 1118 - 1067 - 813 762

    1100×1000 44×40 1118 1120 1016 1020 813 749

    1100×950 44×38 1118 - 965 - 813 737

    1100×900 44×36 1118 1120 914 920 813 724

    1100×850 44×32 1118 - 864 - 813 724

    1150×1150 46×46 1168 - 1168 - 851 851

    1150×1100 46×44 1168 - 1118 - 851 800

    1150×1050 46×42 1168 - 1067 - 851 787

    1150×1000 46×40 1168 - 1016 - 851 775

    1150×950 46×38 1168 - 965 - 851 762

    1150×900 46×36 1168 - 914 - 851 762

    1200×1200 48×48 1220 1220 1220 1220 889 889

    1200×1150 48×46 1220 - 1168 - 889 838

    1200×1100 48×44 1220 1220 1118 1120 889 838

    1200×1050 48×42 1220 - 1067 - 889 813

    1200×1000 48×40 1220 1220 1016 1020 889 813

    1200×950 48×38 1220 - 965 - 889 813

     

    The above dimensions conform toGB/T12459GB/T13401ASME B16.9SH3408SH3409HG/T21635HG/T21631SY/T05010standard

    Send Inquiry

    Please feel free to contact with us at sales@cnshengyuan.cn, info@cnshengyuan.cn or filling up an enquiry form instructed at the bottom, You will get an effective response within 24 hours from Shengyuan sales representative.
    Thanks for your valued time with interest!

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