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長焊頸法蘭

尺寸: 1/2"-48"
壁厚: SCH5S-SCHXXS
材料: 特殊合金，超級雙相不銹鋼，不銹鋼，碳鋼，鈦
標準: GB，HG，ASME B16.5，ANSI B16.47，BS4504，DIN，JIS

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  • 产品介绍
  • 材質

長焊頸法蘭通常被稱為高輪轂凸緣。它設計用於將應力傳遞到管道，從而減少法蘭底部的高應力集中。

加長的焊接頸法蘭（一體式法蘭），lwn法蘭與標準的焊接頸法蘭相似，但“頸”比其他法蘭長得多。LWN法蘭通常用作槍管或圓柱管的噴嘴。此外，還有LWN重桶（HB）和等長LWN桶（E）。它們具有不同的形狀和較厚的“牆”。
Yaang在溫州，無錫和河北設有3個倉庫。作為管道解決方案提供商之一，Yaang一直致力於為油氣，水，可再生能源和基礎設施領域的項目提供一站式解決方案 。通過多年的一貫奉獻和創新，我們可靠，具有成本效益和環境友好的解決方案贏得了客戶的廣泛認可。

中國長焊頸法蘭製造商Yaang提供長焊頸法蘭（一體式法蘭），合金鋼，鈦，不銹鋼等製成的法蘭。

尺寸

  • 1/2“ – 56”（DN15至DN1,400）

壓力

  • 系列：Class 150，Class 300，Class 600，Class 900A，Class 1500、2500 Class。
  • 歐洲系列：PN2.5，PN6，PN10，PN16， PN25，PN40，PN63，PN100，PN160，PN250，PN320，PN400。

法蘭面對型

  • 美國系列：平面型（FF），抬高型（RF），舌頭（T），溝槽（G），女性（F），男性（M），環形接頭面（RJ / RTJ）
  • 歐洲系列： A型（平面），B型（凸起面），C型（舌頭），D型（凹槽），E型（螺紋），F型（凹入），G型（O型環螺紋），H型（ O形圈槽）

材料

  • 碳鋼：ASTM A105，ASTM A105N，GB 20，C22.8。
  • 合金鋼：ASTM / ASME A182 F1-F12-F11-F22- F5-F9- F91
  • 不銹鋼：ASTM / ASME A182 F304-304L-304H-304LN-304N
  • ASTM / ASME A182 F316-316L-316H-316LN-316N-316Ti
  • ASTM / ASME A182 F321-321H，F347-347H
  • 低溫鋼：ASTM / ASME A350 LF2。
  • 高性能鋼：ASTM / ASME A694 F42，F52，F56，F60，F65，F70

標準

  • ASME ANSI B16.5，ASME ANSI B16.47。
  • API 605，API 6L。
  • MSS SP 44
  • CSA Z245.12
  • EN1092-1，EN1759-1。
  • DIN2565，DIN2566，DIN2567，DIN2568，DIN2569
  • BS1560，BS 4504，BS
  • 10.AFNOR NF E29-200-1
  • ISO7005-1
  • AS2129
  • JIS B2220
  • UNI 2276.UNI 2277.UNI 2278 .UNI 6089 .UNI 6090

長焊頸法蘭尺寸在ASME B16.5中進行了規定-對於NPS 26“至60”以上的NPS½“至24”尺寸，其 管法蘭 和法蘭配件應符合ASME B16.47的要求。

法蘭尺寸檢查時，應檢查

  • 機身外徑
  • 螺栓圓和螺栓孔直徑
  • 焊縫厚度
  • 集線器長度
  • 螺栓孔的平直度和對準

long weld neck flange dimensions 1024x791 - 長焊頸法蘭

150級長焊頸法蘭尺寸

long weld neck flange dimensions 1024x791 - 長焊頸法蘭

Class 150 Long Weld Neck Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD RF Dia. RF Height PCD Hub Length No of Bolts Bolt Size UNC Machine Bolt Length RF Stud Length Hole Size ISO Stud Size
A B C D E F G H
1/2 15 90 9.6 30 21.3 34.9 2 60.3 As Required 4 1/2 50 55 5/8 M14
3/4 20 100 11.2 38 26.7 42.9 2 69.9 As Required 4 1/2 50 65 5/8 M14
1 25 110 12.7 49 33.4 50.8 2 79.4 As Required 4 1/2 55 65 5/8 M14
1 1/4 32 115 14.3 59 42.2 63.5 2 88.9 As Required 4 1/2 55 70 5/8 M14
1 1/2 40 125 15.9 65 48.3 73 2 98.4 As Required 4 1/2 65 70 5/8 M14
2 50 150 17.5 78 60.3 92.1 2 120.7 As Required 4 5/8 70 85 3/4 M16
2 1/2 65 180 20.7 90 73 104.8 2 139.7 As Required 4 5/8 75 90 3/4 M16
3 80 190 22.3 108 88.9 127 2 152.4 As Required 4 5/8 75 90 3/4 M16
3 1/2 90 215 22.3 122 101.6 139.7 2 177.8 As Required 8 5/8 75 90 3/4 M16
4 100 230 22.3 135 114.3 157.2 2 190.5 As Required 8 5/8 75 90 3/4 M16
5 125 255 22.3 164 141.3 185.7 2 215.9 As Required 8 3/4 85 95 7/8 M20
6 150 280 23.9 192 168.3 215.9 2 241.3 As Required 8 3/4 85 100 7/8 M20
8 200 345 27 246 219.1 269.9 2 298.5 As Required 8 3/4 90 110 7/8 M20
10 250 405 28.6 305 273 323.8 2 362 As Required 12 7/8 100 115 1 M24
12 300 485 30.2 365 323.8 381 2 431.8 As Required 12 7/8 100 120 1 M24
14 350 535 33.4 400 355.6 412.8 2 476.3 As Required 12 1 115 135 1 1/8 M27
16 400 595 35 457 406.4 469.9 2 539.8 As Required 16 1 115 135 1 1/8 M27
18 450 635 38.1 505 457.2 533.4 2 577.9 As Required 16 1 1/8 125 145 1 1/4 M30
20 500 700 41.3 559 508 584.2 2 635 As Required 20 1 1/8 140 160 1 1/4 M30
24 600 815 46.1 663 610 692.2 2 749.3 As Required 20 1 1/4 150 170 1 3/8 M33

Class 300 Long Weld Neck Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD RF Dia. RF Height PCD Hub Length No of Bolts Bolt Size UNC Machine Bolt Length RF Stud Length Hole Size ISO Stud Size
A B C D E F G H
1/2 15 95 12.7 38 21.3 34.9 2 66.7 As Required 4 1/2 55 65 5/8 M14
3/4 20 115 14.3 48 26.7 42.9 2 82.6 As Required 4 5/8 65 75 3/4 M16
1 25 125 15.9 54 33.4 50.8 2 88.9 As Required 4 5/8 65 75 3/4 M16
1 1/4 32 135 17.5 64 42.2 63.5 2 98.4 As Required 4 5/8 70 85 3/4 M16
1 1/2 40 155 19.1 70 48.3 73 2 114.3 As Required 4 3/4 75 90 7/8 M20
2 50 165 20.7 84 60.3 92.1 2 127 As Required 8 5/8 75 90 3/4 M16
2 1/2 65 190 23.9 100 73 104.8 2 149.2 As Required 8 3/4 85 100 7/8 M20
3 80 210 27 117 88.9 127 2 168.3 As Required 8 3/4 90 110 7/8 M20
3 1/2 90 230 28.6 133 101.6 139.7 2 184.2 As Required 8 3/4 95 110 7/8 M20
4 100 255 30.2 146 114.3 157.2 2 200 As Required 8 3/4 95 115 7/8 M20
5 125 280 33.4 178 141.3 185.7 2 235 As Required 8 3/4 110 120 7/8 M20
6 150 320 35 206 168.3 215.9 2 269.9 As Required 12 3/4 110 120 7/8 M20
8 200 380 39.7 260 219.1 269.9 2 330.2 As Required 12 7/8 120 140 1 M24
10 250 445 46.1 321 273 323.8 2 387.4 As Required 16 1 140 160 1 1/8 M27
12 300 520 49.3 375 323.8 381 2 450.8 As Required 16 1 1/8 145 170 1 1/4 M30
14 350 585 52.4 425 355.6 412.8 2 514.4 As Required 20 1 1/8 160 180 1 1/4 M30
16 400 650 55.6 483 406.4 469.9 2 571.5 As Required 20 1 1/4 165 190 1 3/8 M33
18 450 710 58.8 533 457 533.4 2 628.6 As Required 24 1 1/4 170 195 1 3/8 M33
20 500 775 62 587 508 584.2 2 685.8 As Required 24 1 1/4 185 205 1 3/8 M33
24 600 915 68.3 702 610 692.2 2 812.8 As Required 24 1 1/2 205 230 1 5/8 M39 

	Class 400 Long Weld Neck Flange Dimensions
Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD RF Dia. RF Height PCD Hub Length No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size
A B C D E F G H
1/2 15 95 14.3 38 21.3 34.9 7 66.7 As Required 4 1/2 75 5/8 M14
3/4 20 115 15.9 48 26.7 42.9 7 82.6 As Required 4 5/8 90 3/4 M16
1 25 125 17.5 54 33.4 50.8 7 88.9 As Required 4 5/8 90 3/4 M16
1 1/4 32 135 20.7 64 42.2 63.5 7 98.4 As Required 4 5/8 95 3/4 M16
1 1/2 40 155 22.3 70 48.3 73 7 114.3 As Required 4 3/4 110 7/8 M20
2 50 165 25.4 84 60.3 92.1 7 127 As Required 8 5/8 110 3/4 M16
2 1/2 65 190 28.6 100 73 104.8 7 149.2 As Required 8 3/4 120 7/8 M20
3 80 210 31.8 117 88.9 127 7 168.3 As Required 8 3/4 125 7/8 M20
3 1/2 90 230 35 133 101.6 N/A 7 184.2 As Required 8 7/8 140 1 M24
4 100 255 35 146 114.3 157.2 7 200 As Required 8 7/8 140 1 M24
5 125 280 38.1 178 141.3 185.7 7 235 As Required 8 7/8 145 1 M24
6 150 320 41.3 206 168.3 215.9 7 269.9 As Required 12 7/8 150 1 M24
8 200 380 47.7 260 219.1 269.9 7 330 As Required 12 1 170 1 1/8 M27
10 250 445 54 321 273 323.8 7 387.4 As Required 16 1 1/8 190 1 1/4 M30
12 300 520 57.2 375 323.8 381 7 450.8 As Required 16 1 1/4 205 1 3/8 M33
14 350 585 60.4 425 355.6 412.8 7 514.4 As Required 20 1 1/4 210 1 3/8 M33
16 400 650 63.5 483 406.4 469.9 7 571.5 As Required 20 1 3/8 220 1 1/2 M36
18 450 710 66.7 533 457 533.4 7 628.6 As Required 24 1 3/8 230 1 1/2 M36
20 500 775 69.9 587 508 584.2 7 685.8 As Required 24 1 1/2 240 1 3/4 M39
24 600 915 76.2 702 610 692.2 7 812.8 As Required 24 1 3/4 265 1 7/8 M45

Class 600 Long Weld Neck Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD RF Dia. RF Height PCD Hub Length No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size
A B C D E F G H
1/2 15 95 14.3 38 21.3 34.9 7 66.7 As Required 4 1/2 75 5/8 M14
3/4 20 115 15.9 48 26.7 42.9 7 82.6 As Required 4 5/8 90 3/4 M16
1 25 125 17.5 54 33.4 50.8 7 88.9 As Required 4 5/8 90 3/4 M16
1 1/4 32 135 20.7 64 42.2 63.5 7 98.4 As Required 4 5/8 95 3/4 M16
1 1/2 40 155 22.3 70 48.3 73 7 114.3 As Required 4 3/4 110 7/8 M20
2 50 165 25.4 84 60.3 92.1 7 127 As Required 8 5/8 110 3/4 M16
2 1/2 65 190 28.6 100 73 104.8 7 149.2 As Required 8 3/4 120 7/8 M20
3 80 210 31.8 117 88.9 127 7 168.3 As Required 8 3/4 125 7/8 M20
3 1/2 90 230 35 133 101.6 N/A 7 184.2 As Required 8 7/8 140 1 M24
4 100 275 38.1 152 114.3 157.2 7 215.9 As Required 8 7/8 145 1 M24
5 125 330 44.5 189 141.3 185.7 7 266.7 As Required 8 1 165 1 1/8 M27
6 150 355 47.7 222 168.3 215.9 7 292.1 As Required 12 1 170 1 1/8 M27
8 200 420 55.6 273 219.1 269.9 7 349.2 As Required 12 1 1/8 190 1 1/4 M30
10 250 510 63.5 343 273 323.8 7 431.8 As Required 16 1 1/4 215 1 3/8 M33
12 300 560 66.7 400 323.8 381 7 489 As Required 20 1 1/4 220 1 3/8 M33
14 350 605 69.9 432 355.6 412.8 7 527 As Required 20 1 3/8 235 1 1/2 M36
16 400 685 76.2 495 406.4 469.9 7 603.2 As Required 20 1 1/2 255 1 5/8 M39
18 450 745 82.6 546 457 533.4 7 654 As Required 20 1 5/8 275 1 3/4 M42
20 500 815 88.9 610 508 584.2 7 723.9 As Required 24 1 5/8 285 1 3/4 M42

Class 900 Long Weld Neck Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD RF Dia. RF Height PCD Hub Length No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size
A B C D E F G H
1/2 15 120 22.3 38 21.3 34.9 7 82.6 As Required 4 3/4 110 7/8 M20
3/4 20 130 25.4 44 26.7 42.9 7 88.9 As Required 4 3/4 115 7/8 M20
1 25 150 28.6 52 33.4 50.8 7 101.6 As Required 4 7/8 125 1 M24
1 1/4 32 160 28.6 64 42.2 63.5 7 111.1 As Required 4 7/8 125 1 M24
1 1/2 40 180 31.8 70 48.3 73 7 123.8 As Required 4 1 140 1 1/8 M27
2 50 215 38.1 105 60.3 92.1 7 165.1 As Required 8 7/8 145 1 M24
2 1/2 65 245 41.3 124 73 104.8 7 190.5 As Required 8 1 160 1 1/8 M27
3 80 240 38.1 127 88.9 127 7 190.5 As Required 8 7/8 145 1 M24
4 100 290 44.5 159 114.3 157.2 7 235 As Required 8 1 1/8 170 1 1/4 M30
5 125 350 50.8 190 141.3 185.7 7 279.4 As Required 8 1 1/4 190 1 3/8 M33
6 150 380 55.6 235 168.3 215.9 7 317.5 As Required 12 1 1/8 190 1 1/4 M30
8 200 470 63.5 298 219.1 269.9 7 393.7 As Required 12 1 3/8 220 1 1/2 M36
10 250 545 69.9 368 273 323.8 7 469.9 As Required 16 1 3/8 235 1 1/2 M36
12 300 610 79.4 419 323.8 381 7 533.4 As Required 20 1 3/8 255 1 1/2 M36
14 350 640 85.8 451 355.6 412.8 7 558.8 As Required 20 1 1/2 275 1 5/8 M39
16 400 705 88.9 508 406.4 469.9 7 616 As Required 20 1 5/8 285 1 3/4 M42
18 450 785 101.6 565 457 533.4 7 685.8 As Required 20 1 7/8 325 2 M48
20 500 855 108 622 508 584.2 7 749.3 As Required 20 2 350 2 1/8 M52
24 600 1040 139.7 749 610 692.2 7 901.7 As Required 20 2 1/2 440 2 5/8 M64

Class 1500 Long Weld Neck Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD RF Dia. RF Height PCD Hub Length No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size
A B C D E F G H
1/2 15 120 22.3 38 21.3 34.9 7 82.6 As Required 4 3/4 110 7/8 M20
3/4 20 130 25.4 44 26.7 42.9 7 88.9 As Required 4 3/4 115 7/8 M20
1 25 150 28.6 52 33.4 50.8 7 101.6 As Required 4 7/8 125 1 M24
1 1/4 32 160 28.6 64 42.2 63.5 7 111.1 As Required 4 7/8 125 1 M24
1 1/2 40 180 31.8 70 48.3 73 7 123.8 As Required 4 1 140 1 1/8 M27
2 50 215 38.1 105 60.3 92.1 7 165.1 As Required 8 7/8 145 1 M24
2 1/2 65 245 41.3 124 73 104.8 7 190.5 As Required 8 1 160 1 1/8 M27
3 80 265 47.7 133 88.9 127 7 203.2 As Required 8 1 1/8 180 1 1/4 M30
4 100 310 54 162 114.3 157.2 7 241.3 As Required 8 1 1/4 195 1 3/8 M33
5 125 375 73.1 197 141.3 185.7 7 292.1 As Required 8 1 1/2 250 1 5/8 M39
6 150 395 82.6 229 168.3 215.9 7 317.5 As Required 12 1 3/8 260 1 1/2 M36
8 200 485 92.1 292 219.1 269.9 7 393.7 As Required 12 1 5/8 290 1 3/4 M42
10 250 585 108 368 273 323.8 7 482.6 As Required 12 1 7/8 335 2 M48
12 300 675 123.9 451 323.8 381 7 571.5 As Required 16 2 375 2 1/8 M52
14 350 750 133.4 495 355.6 412.8 7 635 As Required 16 2 1/4 405 2 3/8 M56
16 400 825 146.1 552 406.4 469.9 7 704.8 As Required 16 2 1/2 445 2 5/8 M64
18 450 915 162 597 457 533.4 7 774.7 As Required 16 2 3/4 495 2 7/8 M72
20 500 985 177.8 641 508 584.2 7 831.8 As Required 16 3 540 3 1/8 M76
24 600 1170 203.2 762 610 692.2 7 990.6 As Required 16 3 1/2 615 3 5/8 M90

Class 2500 Long Weld Neck Flange Dimensions

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD RF Dia. RF Height PCD Hub Length No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size
A B C D E F G H
1/2 15 135 30.2 43 21.3 34.9 7 88.9 As Required 4 3/4 120 7/8 M20
3/4 20 140 31.8 51 26.7 42.9 7 95.2 As Required 4 3/4 125 7/8 M20
1 25 160 35 57 33.4 50.8 7 108 As Required 4 7/8 140 1 M24
1 1/4 32 185 38.1 73 42.2 63.5 7 130.2 As Required 4 1 150 1 1/8 M27
1 1/2 40 205 44.5 79 48.3 73 7 146 As Required 4 1 1/8 170 1 1/4 M30
2 50 235 50.9 95 60.3 92.1 7 171.4 As Required 8 1 180 1 1/8 M27
2 1/2 65 265 57.2 114 73 104.8 7 196.8 As Required 8 1 1/8 195 1 1/4 M30
3 80 305 66.7 133 88.9 127 7 228.6 As Required 8 1 1/4 220 1 3/8 M33
4 100 355 76.2 165 114.3 157.2 7 273 As Required 8 1 1/2 255 1 5/8 M39
5 125 420 92.1 203 141.3 185.7 7 323.8 As Required 8 1 3/4 300 1 7/8 M45
6 150 485 108 235 168.3 215.9 7 368.3 As Required 8 2 345 2 1/8 M52
8 200 550 127 305 219.1 269.9 7 438.2 As Required 12 2 380 2 1/8 M52
10 250 675 165.1 375 273 323.8 7 539.8 As Required 12 2 1/2 490 2 5/8 M64
12 300 760 184.2 441 323.8 381 7 619.1 As Required 12 2 3/4 540 2 7/8 M72

Disclaimer –  Please check with ASME B16.5 Before using.

材質

特殊合金

  • HASTELLOY®X
  • MONEL®R-405
  • MONEL®K-500
  • HASTELLOY®C-276
  • HASTELLOY®C-22
  • HASTELLOY®B-2
  • INCOLOY®825
  • INCOLOY®800H /800HT®
  • INCONEL®718
  • INCONEL®合金625
  • INCONEL®合金601
  • INCONEL®合金600
  • MONEL®合金400

合金20

  • 鎳200/201
  • MONEL®R-405
  • MONEL®K-500
  • MONEL®合金400
  • INCONEL®718
  • INCONEL®合金625
  • INCONEL®合金601
  • INCONEL®合金600
  • INCOLOY®825
  • HASTELLOY®X
  • HASTELLOY®C-276
  • HASTELLOY®C-22
  • HASTELLOY®B-2
  • INCOLOY®800H /800HT®
  • HASTELLOY®B-3

雙相不銹鋼

  • ZERON®100，超級雙相不銹鋼
  • 超級雙工S32760
  • LDX2101®，雙相鋼
  • 雙面S31803
  • 超級雙工2507
  • 雙面膠2205

不銹鋼

  • 不銹鋼氮50HS
  • 不銹鋼氮60
  • 不銹鋼氮50
  • 不銹鋼13-8PH
  • 不銹鋼15-5PH
  • 不銹鋼PRODEC 303
  • 不銹鋼303
  • 不銹鋼446
  • 不銹鋼410S
  • 不銹鋼410
  • 不銹鋼304-304H
  • 不銹鋼17-4
  • 不銹鋼347
  • 不銹鋼440C
  • 309不銹鋼
  • 不銹鋼316-316l
  • 不銹鋼AL-6XN®
  • 不銹鋼330
  • 不銹鋼321
  • 317L不銹鋼
  • 不銹鋼310 / 310S
  • 304L不銹鋼
  • 304不銹鋼
  • 不銹鋼253 MA

碳素鋼

  • 碳鋼製品

鈦

  • 10V-2Fe-3鋁
  • 6Al-4V
  • 6Al-4V STA
  • 6Al-4V ELI
  • 6Al-2Sn-4Zr-2Mo
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