ANSI/ASME B16.5 class 2500lb weld neck flange
Haihao Group manufacture/produce ANSI/ASME B16.5 class 2500lb weld neck flanges more than 30 years,the product dimension from ½” to 12″.
The weld neck flange,abbreviated as WNF,is one of the most commonly used typed of forged flanges that is usually used with pipes rather than pressure vessels.ANSI/ASME B16.5 standard covers pressure,temperature ratings,materials, dimensions,tolerances,marking,testing,and methods of designating openings.ANSI/ASME B16.5 weld neck flange dimensions are applicable to all flange materials.
ANSI ASME B16.5 class 2500 A182 F321 weld neck flanges
ANSI/ASME B16.5 class 2500lb weld neck flange specification:
ANSI ASME B16.5 class 2500 weld neck flange
| Pipe | Flange Data | Hub Data | Raised Face | Drilling Data | Weight | |||||||
| Nominal Pipe Size
|
A | B | C | D | E | F | G | H | I | J | ||
| Outside Diameter | Overall Diameter | Inside Diameter | Flange Thickness min | Overall Length | Diameter at Weld Bevel | Hub Diameter | Face Diameter | Number of Holes | Bolt Hole Diameter | Diameter of Circle of Holes | kg/piece | |
| in mm |
in mm |
in mm |
in mm |
in mm |
in mm |
in mm |
in mm |
in mm |
in mm |
|||
| ½ | 0.840 21.30 | 5.250 133.4 | To be specified by purchaser | 1.190 30.20 | 2.880 73.15 | 0.840 21.30 | 1.690 42.90 | 1.380 35.00 | 4 | 0.880 22.40 | 3.500 88.90 | 3.12 |
| ¾ | 1.050 26.70 | 5.500 139.7 | 1.250 31.75 | 3.120 79.25 | 1.050 26.70 | 2.000 50.80 | 1.690 42.90 | 4 | 0.880 22.40 | 3.750 95.30 | 3.70 | |
| 1 | 1.315 33.40 | 6.250 158.8 | 1.380 35.10 | 3.500 88.90 | 1.320 33.50 | 2.250 57.15 | 2.000 50.80 | 4 | 1.000 25.40 | 4.250 108.0 | 5.24 | |
| 1¼ | 1.660 42.20 | 7.250 184.2 | 1.500 38.10 | 3.750 95.30 | 1.660 42.20 | 2.880 73.15 | 2.500 63.50 | 4 | 1.120 28.40 | 5.120 130.0 | 7.74 | |
| 1½ | 1.900 48.30 | 8.000 203.2 | 1.750 44.50 | 4.380 111.3 | 1.900 48.30 | 3.120 79.25 | 2.880 73.15 | 4 | 1.250 31.75 | 5.750 146.1 | 10.9 | |
| 2 | 2.375 60.30 | 9.250 235.0 | 2.000 50.80 | 5.000 127.0 | 2.380 60.45 | 3.750 95.30 | 3.620 91.90 | 8 | 1.120 28.40 | 6.750 171.5 | 16.2 | |
| 2½ | 2.875 73.00 | 10.50 266.7 | 2.250 57.15 | 5.620 142.7 | 2.880 73.15 | 4.500 114.3 | 4.120 104.6 | 8 | 1.250 31.75 | 7.750 196.9 | 23.7 | |
| 3 | 3.500 88.90 | 12.00 304.8 | 2.620 66.55 | 6.620 168.1 | 3.500 88.90 | 5.250 133.4 | 5.000 127.0 | 8 | 1.380 35.10 | 9.000 228.6 | 36.2 | |
| 4 | 4.500 114.3 | 14.00 355.6 | 3.000 76.20 | 7.500 190.5 | 4.500 114.3 | 6.500 165.1 | 6.190 157.2 | 8 | 1.620 41.10 | 10.75 273.1 | 55.3 | |
| 5 | 5.563 141.3 | 16.50 419.1 | 3.620 91.90 | 9.000 228.6 | 5.560 141.2 | 8.000 203.2 | 7.310 185.7 | 8 | 1.880 47.80 | 12.75 323.9 | 92.5 | |
| 6 | 6.625 168.3 | 19.00 482.6 | 4.250 108.0 | 10.75 273.1 | 6.630 168.4 | 9.250 235.0 | 8.500 215.9 | 8 | 2.120 53.80 | 14.50 368.3 | 143 | |
| 8 | 8.625 219.1 | 21.75 552.5 | 5.000 127.0 | 12.50 317.5 | 8.630 219.2 | 12.00 304.8 | 10.62 269.7 | 12 | 2.120 53.80 | 17.25 438.2 | 215 | |
| 10 | 10.75 273.0 | 26.50 673.1 | 6.500 165.1 | 16.50 419.1 | 10.75 273.0 | 14.75 374.7 | 12.75 323.8 | 12 | 2.620 66.55 | 21.25 539.8 | 406 | |
| 12 | 12.75 323.8 | 30.00 762.0 | 7.250 184.2 | 18.25 463.6 | 12.75 323.8 | 17.38 441.5 | 15.00 381.0 | 12 | 2.880 73.15 | 24.38 619.3 | 572 | |
Notes:
- Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness.
- Weights are based on manufacturer’s data and are approximate.
Materials of ANSI/ASME B16.5 weld neck flange:
carbon steel:
ASTM A105,A350 LF2,SS400,P235GH,P250GH,C22.8,Q235,20#,16Mn,etc.
stainless steel:
ASTM A182 F304,F304L,F316,F316L,F321,F347,F310,F44,F51,etc.
alloy steel:
ASTM A694 F42,F46,F52,F56,F60,F65,F70,A182 F5,F9,F91,F12,F11,F22,etc.
Haihao Group is one of the biggest forged flanges manufacture in China,our products contain weld neck flange,slip on flange,blind flange,flat flange,threaded flange,lap joint flange,socket weld flange,etc.We produce the forged flanges in different standards such as ANSI/ASME B16.5,B16.36,B16.47,B16.48,AWWA C207,API 6A/6B/6BX,DIN 2527,DIN 2573,DIN 2576,DIN 2631,DIN 2632,DIN 2633,DIN 2634,DIN 2635,DIN 2566,DIN 2642,EN 1092,BS 4504,JIS B2220,GOST 12820,GOST 12821,SABS 1123,AS 1219 etc.If you want to know more about our forged flanges,please email us:sales@haihaogroup.com