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中文Industrial Pipe Fitting Manufacturer in China
Pipe Fittings,Tube Fittings,Pipe Elbow,Steel Pipe,Steel Tube,Carbon Steel Pipe,Industrial Flange,Carbon Steel Flange
Steel Butt-Welding Pipe Fittings (JIS)
Reducing Tees and Concentric & Eccentric Reducers
| JIS B2311 | *CANGZHOU RITIA PIPE-FITTINGS MANUFACTURE CO.,LTD Standards | Unit: mm | ||||
| Nominal Pipe Size (NPS) | Outside Diameter | Reducing Tees | Reducers | |||
| Center-to-End | End-to-End | |||||
| A | B | D1 | D2 | C | M | H |
| 20×15 | ¾×½ | 27.2 | 21.7 | 28.6 | 28.6 | 38.1 |
| 25×20 | 1×¾ | 34.0 | 27.2 | 38.1 | 38.1 | 50.8 |
| 25×15 | 1×½ | 34.0 | 21.7 | 38.1 | 38.1 | 50.8 |
| 32×25 | 1¼×1 | 42.7 | 34.0 | 47.6 | 47.6 | 50.8 |
| 32×20 | 1¼×¾ | 42.7 | 27.2 | 47.6 | 47.6 | 50.8 |
| 32×15 | 1¼×½ | 42.7 | 21.7 | 47.6 | 47.6 | 50.8 |
| 40×32 | 1 ½×1¼ | 48.6 | 42.7 | 57.2 | 57.2 | 63.5 |
| 40×25 | 1 ½×1 | 48.6 | 34.0 | 57.2 | 57.2 | 63.5 |
| 40×20 | 1 ½×¾ | 48.6 | 27.2 | 57.2 | 57.2 | 63.5 |
| 40×15 | 1 ½×½ | 48.6 | 21.7 | 57.2 | 57.2 | 63.5 |
| 50×40 | 2×1½ | 60.5 | 48.6 | 63.5 | 60.3 | 76.2 |
| 50×32 | 2×1¼ | 60.5 | 42.7 | 63.5 | 57.2 | 76.2 |
| 50×25 | 2×1 | 60.5 | 34.0 | 63.5 | 50.8 | 76.2 |
| 50×20 | 2×¾ | 60.5 | 27.2 | 63.5 | 44.5 | 76.2 |
| 50×15 | 2×½ | 60.5 | 21.7 | 63.5 | * | 76.2 |
| 65×50 | 2 ½×2 | 76.3 | 60.5 | 76.2 | 69.9 | 88.9 |
| 65×40 | 2 ½×1½ | 76.3 | 48.6 | 76.2 | 66.7 | 88.9 |
| 65×32 | 2 ½×1¼ | 76.3 | 42.7 | 76.2 | 63.5 | 88.9 |
| 65×25 | 2 ½×1 | 76.3 | 34.0 | 76.2 | 57.2 | 88.9 |
| 65×20 | 2 ½×¾ | 76.3 | 27.2 | 76.2 | * | 88.9 |
| 65×15 | 2 ½×½ | 76.3 | 21.7 | 76.2 | * | 88.9 |
| 80×65 | 3×2½ | 89.1 | 76.3 | 85.7 | 82.6 | 88.9 |
| 80×50 | 3×2 | 89.1 | 60.5 | 85.7 | 76.2 | 88.9 |
| 80×40 | 3×1½ | 89.1 | 48.6 | 85.7 | 73.0 | 88.9 |
| 80×32 | 3×1¼ | 89.1 | 42.7 | 85.7 | 69.9 | 88.9 |
| 80×25 | 3×1 | 89.1 | 34.0 | 85.7 | * | 88.9 |
| 80×20 | 3×¾ | 89.1 | 27.2 | 85.7 | * | 88.9 |
| 80×15 | 3×½ | 89.1 | 21.7 | 85.7 | * | 88.9 |
| 90×80 | 3 ½×3 | 101.6 | 89.1 | 95.3 | 92.1 | 101.6 |
| 90×65 | 3 ½×2½ | 101.6 | 76.3 | 95.3 | 88.9 | 101.6 |
| 90×50 | 3 ½×2 | 101.6 | 60.5 | 95.3 | 82.9 | 101.6 |
| 90×40 | 3 ½×1½ | 101.6 | 48.6 | 95.3 | 79.4 | 101.6 |
| 90×32 | 3 ½×1¼ | 101.6 | 42.7 | 95.3 | * | 101.6 |
| 100×90 | 4×3½ | 114.3 | 101.6 | 104.8 | 101.6 | 101.6 |
| 100×80 | 4×3 | 114.3 | 89.1 | 104.8 | 98.4 | 101.6 |
| 100×65 | 4×2½ | 114.3 | 76.3 | 104.8 | 95.3 | 101.6 |
| 100×50 | 4×2 | 114.3 | 60.5 | 104.8 | 88.9 | 101.6 |
| 100×40 | 4×1½ | 114.3 | 48.6 | 104.8 | 85.7 | 101.6 |
| 100×32 | 4×1¼ | 114.3 | 42.7 | 104.8 | * | 101.6 |
| 100×25 | 4×1 | 114.3 | 34.0 | 104.8 | * | 101.6 |
| 125×100 | 5×4 | 139.8 | 114.3 | 123.8 | 117.5 | 127.0 |
| 125×90 | 5×3½ | 139.8 | 101.6 | 123.8 | 114.3 | 127.0 |
| 125×80 | 5×3 | 139.8 | 89.1 | 123.8 | 111.1 | 127.0 |
| 125×65 | 5×2½ | 139.8 | 76.3 | 123.8 | 108.0 | 127.0 |
| 125×50 | 5×2 | 139.8 | 60.5 | 123.8 | 104.8 | 127.0 |
| 125×40 | 5×1½ | 139.8 | 48.6 | 123.8 | * | 127.0 |
| 125×32 | 5×1¼ | 139.8 | 42.7 | 123.8 | * | 127.0 |
| 150×125 | 6×5 | 165.2 | 139.8 | 142.9 | 136.5 | 139.7 |
| 150×100 | 6×4 | 165.2 | 114.3 | 142.9 | 130.2 | 139.7 |
| 150×90 | 6×3½ | 165.2 | 101.6 | 142.9 | 127.0 | 139.7 |
| 150×80 | 6×3 | 165.2 | 89.1 | 142.9 | 123.8 | 139.7 |
| 150×65 | 6×2½ | 165.2 | 76.3 | 142.9 | 120.7 | 139.7 |
| 150×50 | 6×2 | 165.2 | 60.5 | 142.9 | * | 139.7 |
| 200×150 | 8×6 | 216.3 | 165.2 | 177.8 | 168.3 | 152.4 |
| 200×125 | 8×5 | 216.3 | 139.8 | 177.8 | 161.9 | 152.4 |
| 200×100 | 8×4 | 216.3 | 114.3 | 177.8 | 155.6 | 152.4 |
| 200×90 | 8×3½ | 216.3 | 101.6 | 177.8 | 152.4 | 152.4 |
| 200×80 | 8×3 | 216.3 | 89.1 | 177.8 | 152.4 | 152.4 |
| 250×200 | 10×8 | 267.4 | 216.3 | 215.9 | 203.2 | 177.8 |
| 250×150 | 10×6 | 267.4 | 165.2 | 215.9 | 193.7 | 177.8 |
| 250×125 | 10×5 | 267.4 | 139.8 | 215.9 | 190.5 | 177.8 |
| 250×100 | 10×4 | 267.4 | 114.3 | 215.9 | 184.2 | 177.8 |
| 250×80 | 10×3 | 267.4 | 89.1 | 215.9 | * | 177.8 |
| 300×250 | 12×10 | 318.5 | 267.4 | 254.0 | 241.3 | 203.2 |
| 300×200 | 12×8 | 318.5 | 216.3 | 254.0 | 228.6 | 203.2 |
| 300×150 | 12×6 | 318.5 | 165.2 | 254.0 | 219.1 | 203.2 |
| 300×125 | 12×5 | 318.5 | 139.8 | 254.0 | 215.9 | 203.3 |
| 300×100 | 12×4 | 318.5 | 114.3 | 254.0 | * | 203.3 |
| 350×300 | 14×12 | 355.6 | 318.5 | 279.4 | 269.9 | 330.2 |
| 350×250 | 14×10 | 355.6 | 267.4 | 279.4 | 257.2 | 330.2 |
| 350×200 | 14×8 | 355.6 | 216.3 | 279.4 | 247.7 | 330.2 |
| 350×150 | 14×6 | 355.6 | 165.2 | 279.4 | 238.1 | 330.2 |
| 350×125 | 14×5 | 355.6 | 139.8 | 279.4 | * | 330.2 |
| 400×350 | 16×14 | 406.4 | 355.6 | 304.8 | 304.8 | 355.6 |
| 400×300 | 16×12 | 406.4 | 318.5 | 304.8 | 295.3 | 355.6 |
| 400×250 | 16×10 | 406.4 | 267.4 | 304.8 | 282.6 | 355.6 |
| 400×200 | 16×8 | 406.4 | 216.3 | 304.8 | 273.1 | 355.6 |
| 400×150 | 16×6 | 406.4 | 165.2 | 304.8 | 263.5 | 355.6 |
| 450×400 | 18×16 | 457.2 | 406.4 | 342.9 | 330.2 | 381.0 |
| 450×350 | 18×14 | 457.2 | 355.6 | 342.9 | 330.2 | 381.0 |
| 450×300 | 18×12 | 457.2 | 318.5 | 342.9 | 320.7 | 381.0 |
| 450×250 | 18×10 | 457.2 | 267.4 | 342.9 | 308.0 | 381.0 |
| 450×200 | 18×8 | 457.2 | 216.3 | 342.9 | 298.0 | 381.0 |
| 500×450 | 20×18 | 508.0 | 457.2 | 381.0 | 368.3 | 508.0 |
| 500×400 | 20×16 | 508.0 | 406.4 | 381.0 | 355.6 | 508.0 |
| 500×350 | 20×14 | 508.0 | 355.6 | 381.0 | 355.6 | 508.0 |
| 500×300 | 20×12 | 508.0 | 318.5 | 381.0 | 346.1 | 508.0 |
| 500×250 | 20×10 | 508.0 | 267.4 | 381.0 | 333.4 | 508.0 |
| 500×200 | 20×8 | 508.0 | 216.3 | 381.0 | 523.9 | 508.0 |
| 550×500 | 22×20 | 558.8 | 508.0 | 419.1 | 406.4 | 508.0 |
| 550×450 | 22×18 | 558.8 | 457.2 | 419.1 | 393.7 | 508.0 |
| 550×400 | 22×16 | 558.8 | 406.4 | 419.1 | 381.0 | 508.0 |
| 550×350 | 22×14 | 558.8 | 355.6 | 419.1 | 381.0 | 508.0 |
| 600×550 | 24×22 | 609.6 | 558.8 | 431.8 | 431.8 | 508.0 |
| 600×500 | 24×20 | 609.6 | 508.0 | 431.8 | 431.8 | 508.0 |
| 600×450 | 24×18 | 609.6 | 457.2 | 431.8 | 419.1 | 508.0 |
| 600×400 | 24×16 | 609.6 | 406.4 | 431.8 | 406.4 | 508.0 |
| 600×350 | 24×14 | 609.6 | 355.6 | 431.8 | 406.4 | 508.0 |
| 600×300 | 24×12 | 609.6 | 318.5 | 431.8 | 397.0 | 508.0 |
| 650×600 | 26×24 | 660.4 | 609.6 | 495.3 | 482.6 | 609.6 |
| 650×550 | 26×22 | 660.4 | 558.8 | 495.3 | 469.9 | 609.6 |
| 650×500 | 26×20 | 660.4 | 508.0 | 495.3 | 457.2 | 609.6 |
| 650×450 | 26×18 | 660.4 | 457.2 | 495.3 | 444.0 | 609.6 |
| 700×650 | 28×26 | 711.2 | 660.4 | 520.7 | 520.7 | 609.6 |
| 700×600 | 28×24 | 711.2 | 609.6 | 520.7 | 508.0 | 609.6 |
| 700×550 | 28×22 | 711.2 | 558.8 | 520.7 | 495.3 | 609.6 |
| 700×500 | 28×20 | 711.2 | 508.0 | 520.7 | 483.0 | 609.6 |
| 750×700 | 30×28 | 762.0 | 711.2 | 558.8 | 546.1 | 609.6 |
| 750×650 | 30×26 | 762.0 | 660.4 | 558.8 | 546.1 | 609.6 |
| 750×600 | 30×24 | 762.0 | 609.4 | 558.8 | 533.4 | 609.6 |
| 750×550 | 30×22 | 762.0 | 558.8 | 558.8 | 520.7 | 609.6 |
| 800×750 | 32×30 | 812.8 | 762.0 | 596.9 | 584.2 | 609.6 |
| 800×700 | 32×28 | 812.8 | 711.2 | 596.9 | 571.5 | 609.6 |
| 800×650 | 32×26 | 812.8 | 660.4 | 596.9 | 571.5 | 609.6 |
| 800×600 | 32×24 | 812.8 | 609.6 | 596.9 | 559.0 | 609.6 |
| 850×800 | 34×32 | 863.6 | 812.8 | 635.0 | 622.3 | 609.6 |
| 850×750 | 34×30 | 863.6 | 762.0 | 635.0 | 609.6 | 609.6 |
| 850×700 | 34×28 | 863.6 | 711.2 | 635.0 | 596.9 | 609.6 |
| 850×650 | 34×26 | 863.6 | 660.4 | 635.0 | 596.9 | 609.6 |
| 900×850 | 36×34 | 914.4 | 863.6 | 673.1 | 660.4 | 609.6 |
| 900×800 | 36×32 | 914.4 | 812.8 | 673.1 | 647.7 | 609.6 |
| 900×750 | 36×30 | 914.4 | 762.0 | 673.1 | 635.0 | 609.6 |
| 900×700 | 36×28 | 914.4 | 711.2 | 673.1 | 622.3 | 609.6 |
| 950×900 | 38×36 | 965.2 | 914.4 | 711.2 | 711.2 | 609.6 |
| 950×850 | 38×34 | 965.2 | 863.6 | 711.2 | 698.5 | 609.6 |
| 950×800 | 38×32 | 965.2 | 812.8 | 711.2 | 685.8 | 609.6 |
| 950×750 | 38×30 | 965.2 | 762.0 | 711.2 | 673.0 | 609.6 |
| 1000×950 | 40×38 | 1016.0 | 965.2 | 749.3 | 749.3 | 609.6 |
| 1000×900 | 40×36 | 1016.0 | 914.4 | 749.3 | 736.6 | 609.6 |
| 1000×850 | 40×34 | 1016.0 | 863.6 | 749.3 | 723.9 | 609.6 |
| 1000×800 | 40×32 | 1016.0 | 812.8 | 749.3 | 711.2 | 609.6 |
| 1050×1000 | 42×40 | 1066.8 | 1016.0 | 762.0 | 711.2 | 609.6 |
| 1050× 950 | 42×38 | 1066.8 | 965.2 | 762.0 | 711.2 | 609.6 |
| 1050×900 | 42×36 | 1066.8 | 914.4 | 762.0 | 711.2 | 609.6 |
| 1050×850 | 42×34 | 1066.8 | 863.6 | 762.0 | 711.2 | 609.6 |
| 1100×1050 | 44×42 | 1117.6 | 1066.8 | 812.8 | 762.0 | 609.6 |
| 1100×1000 | 44×40 | 1117.6 | 1016.0 | 812.8 | 749.3 | 609.6 |
| 1100×950 | 44×38 | 1117.6 | 965.2 | 812.8 | 736.6 | 609.6 |
| 1100×900 | 44×36 | 1117.6 | 914.4 | 812.8 | 723.9 | 609.6 |
| 1150×1100 | 46×44 | 1168.4 | 1117.6 | 850.9 | 811.1 | 711.2 |
| 1150×1050 | 46×42 | 1168.4 | 1066.8 | 850.9 | 787.4 | 711.2 |
| 1150×1000 | 46×40 | 1168.4 | 1016.0 | 850.9 | 774.7 | 711.2 |
| 1150×950 | 46×38 | 1168.4 | 965.2 | 850.9 | 762.0 | 711.2 |
| 1200×1150 | 48×46 | 1219.2 | 1168.4 | 889.0 | 838.2 | 711.2 |
| 1200×1100 | 48×44 | 1219.2 | 1117.6 | 889.0 | 838.2 | 711.2 |
| 1200×1050 | 48×42 | 1219.2 | 1066.8 | 889.0 | 812.8 | 711.2 |
| 1200×1000 | 48×40 | 1219.2 | 1016.0 | 889.0 | 812.8 | 711.2 |