Welding Neck
Composite Welding Neck Flange For Cu-Ni Pipe

■ Materials : EEMUA 145 7060X + A105
Unit: mm
Pipe Internal Flange External Flange Bolt
N/D O/D d1 d2 S t t1 D C D1 T N H
16Bar 20Bar Type S Type L
1/2" 16.0 40.0 18.0 2.0 2.0 35 51 4 89 60.3 19 14 4 15.9
3/4" 25.0 50.0 27.0 2.0 2.0 40 51 5 98 69.8 28 14 4 15.9
1" 30.0 60.0 32.0 2.5 2.5 40 51 5 108 79.4 363 14 4 15.9
1 1/4" 38.0 70.0 40.0 2.5 2.5 40 51 5 117 88.9 41 14 4 15.9
1 1/2" 44.5 80.0 46.5 2.5 2.5 45 51 6 127 98.4 48 14 4 15.9
2" 57.0 99.0 59.0 2.5 2.5 45 64 6 152 120.6 62 18 4 19.0
1/2" 76.1 120.0 78.0 2.5 2.5 45 64 6 178 139.7 81 18 4 19.0
3" 88.9 130.0 91.0 2.5 2.5 50 64 7 190 152.4 94 19 4 19.0
4" 108.0 158.0 110.0 3.0 3.0 50 76 7 229 190.5 113 24 8 19.0
6" 159.0 212.0 161.5 3.0 3.5 60 89 9 279 241.3 164 27 8 22.2
8" 219.1 270.0 222.0 4.0 4.5 50 102 9 343 298.4 225 31 8 22.2
10" 267.0 320.0 270.0 4.5 5.5 50 127 9 406 362.0 273 38 12 25.4
12" 323.9 370.0 327.0 5.5 7.0 50 152 11 483 431.8 3630 41 12 25.4
14" 368.0 430.0 371.0 6.5 8.0 50 125 11 533 476.2 374 45 12 28.6
16" 419.0 482.0 422.0 7.0 9.0 50 152 12 597 539.8 426 51 16 28.6
18" 457.2 530.0 460.0 8.0 9.5 50 152 12 635 577.8 465 52 16 31.8
20" 508.0 585.0 511.0 8.5 11.0 50 152 12 698 635.0 517 58 20 31.8
24" 610.0 685.0 613.0 10.5 13.0 60 152 14 813 749.3 618 71 20 34.9
*NOTE :
1. Dimension Per EEMUA 145
2. Process : Hot Forming
3. Heat Treatment : Annealing After Hot Forming
4. Temp & Hold Time : 750℃±50℃, 30Min / Inch(THK)

 
Din 10Bar Composite Welding Neck Flange For Cu-Ni Pipe

■ Materials : 2.1972.22 + A105 (GAL'V)
Unit: mm
Pipe Internal Flange External Flange Bolt Remark
N/D O/D d1 d2 S t t1 D C D1 T N H
10Bal 14Bal
DN20 25.0 58.0 27.0 1.5 - 40 5 105 75.0 28 14 4 14.0  
DN25 30.0 68.0 32.0 1.5 - 40 5 115 85.0 33 16 4 14.0  
DN32 38.0 78.0 40.0 1.5 - 40 5 140 100.0 42 16 4 18.0  
DN40 44.5 88.0 65.5 1.5 - 45 6 150 110.0 50 16 4 18.0  
DN50 57.0 102.0 59.0 1.5 - 45 6 165 125.0 62 16 4 18.0  
DN65 76.0 122.0 78.0 2.0 - 45 6 185 145.0 81 16 4 18.0  
DN80 98.0 138.0 91.0 2.0 2.5 50 7 200 160.0 94 18 8 18.0  
DN100 108.0 158.0 110.0 2.5 - 50 7 220 180.0 113 18 8 18.0  
DN125 133.0 188.0 135.5 2.5 3.0 50 7 250 210.0 138 18 8 18.0  
DN150 159.0 212.0 161.5 2.5 3.0 50 9 285 240.0 164 18 8 22.0  
DN200 219.0 268.0 222.0 3.0 3.5 50 9 340 295.0 225 20 8 22.0  
DN250 267.0 320.0 270.0 3.0 4.0 50 9 395 350.0 273 22 12 22.0  
DN300 324.0 370.0 327.0 4.0 5.0 50 11 445 400.0 33 24 12 22.0  
DN350 368.0 430.0 371.0 4.0 5.5 50 11 505 460.0 375 24 16 22.0  
DN400 419.0 482.0 422.0 4.0 6.0 50 12 565 515.0 426 26 16 26.0  
DN450 457.0 530.0 460.0 4.0 6.0 50 12 615 565.0 465 28 20 26.0  
DN500 508.0 858.0 511.0 4.5 6.5 50 12 670 620.0 517 30 20 26.0  
DN600 610.0 685.0 613.0 5.0 8.0 60 14 780 725.0 618 32 20 30.0  
*NOTE :
1. Dimension Per DIN 86037
2. Process : Hot Forming
3. Heat Treatment : Annealing After Hot Forming
4. Temp & Hold Time : 750℃±50℃, 30Min / Inch(THK)
 
ANSI 150LB & 300LB Composite Welding Neck Type Flange For Cu-Ni Pipe

■ Material : CW352H / A105 GAL'V As Per ASTM A153
Unit: mm
Pipe Internal Flange External Flange Bolt
N/D O/D d G S F G1 D C D1 T1 T X R2 N H
S10S S40S
1/2" 21.3 21.3 35 2.11 2.77 52 3 90 60.3 22.9 11.2 16 30 3 4 15.9
3/4" 26.7 26.7 43 2.11 2.87 51 3 100 69.9 28.2 12.7 16 38 3 4 15.9
1" 33.4 33.4 51 2.77 3.38 51 3 110 79.4 34.9 14.3 17 49 3 4 15.9
1 1/2" 48.3 48.3 73 2.77 3.68 51 6 125 98.4 50.0 17.5 22 65 6 4 15.9
2" 60.3 60.3 92 2.77 3.91 64 8 150 120.7 62.5 19.1 25 78 8 4 19.1
3" 88.9 88.9 127 3.05 5.49 64 10 190 152.4 91.4 23.9 30 108 10 4 19.1
4" 114.3 114.3 157 3.05 6.02 76 11 230 190.5 116.8 23.9 33 136 11 8 19.1
6" 168.3 168.3 216 3.40 7.11 89 13 280 241.3 171.4 25.4 40 192 13 8 22.3
8" 219.1 219.1 270 3.76 8.18 102 13 345 298.5 222.2 28.6 44 246 13 8 22.3
10" 273.0 273.0 324 4.19 9.27 127 13 405 362.0 277.4 30.2 49 305 13 12 25.4
12" 323.9 323.9 381 4.57 9.52 152 13 485 431.8 328.2 31.8 56 365 13 12 25.4
14" 355.6 355.6 413 4.78 9.52 152 13 535 476.3 360.2 35.0 79 400 13 12 28.6
16" 406.4 406.4 470 4.78 9.52 152 13 595 539.8 411.2 36.6 87 457 13 16 28.6
18" 457.0 457.0 533 4.78 9.52 152 13 653 577.9 462.3 39.7 97 505 13 16 31.8
20" 508.0 508.0 584 5.54 9.52 152 13 700 635.0 514.4 42.9 103 559 13 20 31.8
24" 610.0 610.0 692 6.35 9.52 152 13 815 749.3 616.0 47.7 111 663 13 20 35.0
 
Unit: mm
Pipe Internal Flange External Flange Bolt
N/D O/D d G S F G1 D C D1 T1 T X R2 N H
S10S S40S
1/2" 21.3 21.3 35 2.11 2.77 52 3 95 66.7 22.9 14.3 22 38 3 4 15.9
3/4" 26.7 26.7 43 2.11 2.87 51 3 115 82.6 28.2 15.9 25 48 3 4 19.1
1" 33.4 33.4 51 2.77 3.38 51 3 125 88.9 34.9 17.5 27 54 3 4 19.1
1 1/2" 48.3 48.3 73 2.77 3.68 51 6 155 114.3 50.0 20.7 30 70 6 4 22.3
2" 60.3 60.3 92 2.77 3.91 64 8 165 127.0 62.5 22.3 33 84 8 8 19.1
3" 88.9 88.9 127 3.05 5.49 64 10 210 168.3 91.4 28.6 43 117 10 8 22.3
4" 114.3 114.3 157 3.05 6.02 76 11 255 200.0 116.8 31.8 48 146 11 8 22.3
6" 168.3 168.3 216 3.40 7.11 89 13 320 269.9 171.4 36.6 52 206 13 12 22.3
8" 219.1 219.1 270 3.76 8.18 102 13 380 330.2 222.2 41.3 62 260 13 12 25.4
10" 273.0 273.0 324 4.19 9.27 127 13 445 387.4 277.4 47.7 95 321 13 16 28.6
12" 323.9 323.9 381 4.57 9.52 152 13 520 450.8 328.2 50.8 102 375 13 16 31.8
14" 355.6 355.6 413 4.78 9.52 152 13 585 514.4 360.25 54.0 111 425 13 20 31.8
16" 406.4 406.4 470 4.78 9.52 152 13 650 571.5 411.2 57.2 121 483 13 20 35.0
18" 457.0 457.0 533 4.78 9.52 152 13 710 628.6 462.3 60.4 130 533 13 24 35.0
20" 508.0 508.0 584 5.54 9.52 152 13 775 685.8 514.4 63.5 140 587 13 24 35.0
24" 610.0 610.0 692 6.35 9.52 152 13 915 812.8 616.0 69.9 152 702 13 24 41.3
*NOTE :
1. Dimension Per ASME B16.9(Internal) & ASME B16.5(External)
2. Process : Cold Forming
3. Heat Treatment : Annealing After Cold Forming
4. Temp & Hold Time : 750℃±50℃, 30Min / Inch(THK)