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Welding Neck
Solid Welding Neck Flange For Cu-Ni Pipe

■ Material : ASTM UNS C70600
Unit: mm
Pipe Internal Flange Bolt Remark
N/D O/D D A B C T t t1 N H
16Bar 120Bar
1/2" 16.0 89.0 16.0 23.0 60.3 48.0 14.0 2.0 2.0 4 15.9  
3/4" 25.0 98.0 25.0 32.0 69.8 52.0 16.0 2.0 2.0 4 15.9  
1" 30.0 180.0 30.0 42.0 79.4 56.0 16.0 2.5 2.5 4 15.9  
1 1/4" 38.0 117.0 38.0 51.0 88.9 57.0 17.0 2.5 2.5 4 15.9  
1 1/2" 44.5 127. 44.5 61.0 98.4 62.0 20.0 204 2.5 4 15.9  
2" 57.0 152.0 57.0 73.0 120.6 64.0 25.0 2.5 2.5 4 19.0  
2 1/2" 76.1 178.0 76.1 91.1 139.7 70.0 27.0 2.5 2.5 4 19.0  
3" 88.9 190.0 88.9 105.0 152.4 70.0 27.0 2.5 2.5 4 19.0  
4" 108.0 229.0 108.0 135.0 190.5 76.0 27.0 3.0 3.0 8 19.0  
6" 159.0 279.0 159.0 192.0 241.3 89.0 27.0 3.0 3.5 8 22.2  
8" 219.0 343.0 219.0 246.0 298.4 98.0 31.0 4.0 4.5 8 22.2  
10" 267.0 406.0 267.0 305.0 362.0 98.0 31.0 4.5 5.5 8 25.4  
12" 324.0 483..0 324.0 365.0 431.8 98.0 35.0 5.5 7.0 12 25.4  
14" 368.0 533.0 368.0 400.0 476.2 99.0 41.0 6.5 8.0 12 28.6  
16" 419.0 597.0 419.0 457.0 539.8 106.0 43.0 7.0 9.0 12 25.4  
18" 457.0 635.0 457.0 505.0 577.8 113.0 45.0 8.0 9.5 16 31.8  
20" 208.0 698.0 508.0 559.0 635.0 118.0 45.0 8.5 11.0 16 31.8  
24" 610.0 813.0 610.0 664.0 749.0 137.0 49.0 10.5 13.0 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)
 
150LB & 300LB Solid Welding Neck Flange For Cu-Ni Pipe

■ Material : ASTM UNS C70600
Unit: mm
Pipe Dimension Bolt Remark
N/D O/D D A B C T t t1 N H
S10S S40S
2" 60.3 150.0 60.3 78.0 120.7 64.0 19.1 2.77 3.91 4 19.1  
3" 88.9 190.0 88.9 108.0 152.4 70.0 23.9 3.05 5.49 4 19.0  
4" 114.3 230.0 114.3 136.0 190.5 77.0 23.9 3.05 6.02 8 19.0  
6" 168.3 280.0 168.3 192.0 241.3 89.0 25.4 3.40 7.11 8 22.3  
8" 219.1 345.0 219.1 246.0 298.5 102.0 26.6 3.76 8.18 8 22.3  
10" 273.0 405.0 273.0 305.0 362.0 102.0 30.2 4.19 9.27 12 25.4  
12" 323.8 485..0 323.8 365.0 431.8 115.0 31.8 4.57 9.52 12 25.4  
14" 355.6 535.0 355.6 400.0 476.3 127.0 35.0 4.78 9.52 12 28.6  
16" 406.4 595.0 406.4 457.0 539.8 127.0 36.0 4.78 9.52 16 28.6  
18" 457.2 635.0 457.2 505.0 577.9 140.0 39.7 4.78 9.52 16 31.8  
20" 508.0 700.0 508.0 559.0 635.0 145.0 42.9 5.54 9.52 20 31.8  
24" 610.0 815.0 610.0 663.0 749.3 153.0 47.7 6.35 9.52 20 35.0  
 
Unit: mm
Pipe Dimension Bolt Remark
N/D O/D D A B C T t t1 N H
S10S S40S
2" 60.3 165.0 60.3 84.0 127.0 70.0 22.3 2.77 3.91 8 19.1  
3" 88.9 210.0 88.9 117.0 168.3 80.0 28.6 3.05 5.49 8 22.3  
4" 114.3 255.0 114.3 146.0 200.0 62.0 31.8 3.05 6.02 8 22.3  
6" 168.3 320.0 168.3 206.0 269.9 99.0 36.6 3.40 7.11 12 22.3  
8" 219.1 380.0 219.1 260.0 330.2 112.0 41.3 3.76 8.18 12 25.4  
10" 273.0 445.0 273.0 321.0 387.4 118.0 47.7 4.19 9.27 16 28.6  
12" 323.8 520..0 323.8 375.0 450.8 131.0 50.8 4.57 9.52 16 31.8  
14" 355.6 585.0 355.6 425.0 514.4 143.0 54.0 4.78 9.52 20 31.8  
16" 406.4 650.0 406.4 483.0 571.5 146.0 57.2 4.78 9.52 20 35.0  
18" 457.2 710.0 457.2 533.0 628.6 159.0 60.4 4.78 9.52 24 35.0  
20" 508.0 775.0 508.0 587.0 685.0 162.0 36.5 5.54 9.52 24 35.0  
24" 610.0 915.0 610.0 702.0 812.8 169.0 69.9 6.35 9.52 24 41.3  
*NOTE :
1. Dimension Per ASME B16.5
2. Process :
Hot Forming
3. Heat Treatment : Annealing After
Hot Forming
4. Temp & Hold Time : 750℃±50℃, 30Min / Inch(THK)