
Amse B16.5 Wn Duplex Steel 304/F61/F53/F55/2205/2507 /2520/317L /304L, /316, /316L Steel Forged Welded Flange
Product Introduction
As an important manufacturer of Stainless Steel Round Flanged Sight Glass, Pipe Holder, ASTM Flanged Ball Valve, relying on professional technical team and strong R&D force, we continue to provide customers with the best products. We keep abreast of the latest trends in the industry, and constantly send technical personnel to learn the latest product information and skills. Our social responsibility concept is finally implemented in the practice of scientific and technological innovation, energy saving and environmental protection, and employee care.
PN 1.0MPa (10 pressure) flat welded steel pipe flange(PL -RF)
Special flange for elastic butterfly valve, wafer butterfly valve (D371) and wafer check valve (H76)
Norminal Diameter | Pipe Outside Diameter | Link Size | Seal Surface Size | Flange Thickness | Flange Inside Diameter B1 | Groove Width | Approx Weight | |||||||
A1 | Flange outer diameter | Diameter of center circle of bolt hole | Diameter of bolt hole | Number of bolt holes | thread | |||||||||
DN | A | B | D | K | L | n | Th | d | f | C | A | B | b | (Kg) |
10 | 17.2 | 14 | 90 | 60 | 14 | 4 | M12 | 40 | 2 | 12 | 18 | 15 | 3 | 0.46 |
15 | 21.3 | 18 | 95 | 65 | 14 | 4 | M12 | 45 | 2 | 12 | 22 | 19 | 3 | 0.51 |
20 | 26.9 | 25 | 105 | 75 | 14 | 4 | M12 | 55 | 2 | 14 | 27.5 | 26 | 3 | 0.75 |
25 | 33.7 | 32 | 115 | 85 | 14 | 4 | M12 | 65 | 2 | 14 | 34.5 | 33 | 4 | 0.89 |
32 | 42.4 | 38 | 140/135 | 100 | 18 | 4 | M16 | 78 | 2 | 16 | 43.5 | 39 | 4 | 1.40 |
40 | 48.3 | 45 | 150/145 | 110 | 18 | 4 | M16 | 85 | 3 | 18 | 49.5 | 46 | 4 | 1.71 |
50 | 60.3 | 57 | 165/160 | 125 | 18 | 4 | M16 | 100 | 3 | 18 | 61.5 | 59 | 4 | 2.09 |
65 | 76.1 | 76 | 185/180 | 145 | 18 | 4 | M16 | 120 | 3 | 20 | 77.5 | 78 | 5 | 2.84 |
80 | 88.9 | 89 | 200/195 | 160 | 18 | 8 | M16 | 135 | 3 | 20 | 90.5 | 91 | 5 | 3.24 reference |
100 | 114.3 | 108 | 220/215 | 180 | 18 | 8 | M16 | 155 | 3 | 22 | 116 | 110 | 5 | 4.01 |
125 | 139.7 | 133 | 25Q/245 | 210 | 18 | 8 | M16 | 185 | 3 | 24 | 141.5 | 135 | 5 | 5.40 |
150 | 168.3 | 159 | 285/280 | 240 | 22/23 | 8 | M20 | 210 | 3 | 24 | 170.5 | 161 | 5 | 6.67 |
175 | 194 | 310 | 270 | 22/23 | 8 | M20 | 240 | 3 | 24 | 196 | 6 | 7.44 | ||
200 | 219.1 | 219 | 340/335 | 295 | 22/23 | 12 | M20 | 265 | 3 | 24 | 221.5 | 222 | 7 | 8.24 |
225 | 245 | 365 | 325 | 22/23 | 12 | M20 | 295 | 3 | 24 | 248 | 8 | 9.30 | ||
250 | 273 | 273 | 405 | 355 | 22/23 | 12 | M20 | 320 | 3 | 26 | 276.5 | 276 | 9 | 10.7 |
300 | 323.9 | 325 | 460 | 410 | 22/23 | 12 | M20 | 375 | 4 | 28 | 327.5 | 328 | 9 | 12.9 |
350 | 355.6 | 377 | 520 | 470 | 22/23 | 16 | M20 | 436 | 4 | 28 | 359.5 | 380 | 10 | 15.9 |
400 | 406.4 | 426 | 580 | 525 | 26/25 | 16 | M24/M22 | 485 | 4 | 30 | 411 | 430 | 10 | 21.8 |
450 | 457 | 480 | 640 | 585 | 26/25 | 20 | M24/M22 | 545 | 4 | 30 | 462 | 484 | 10 | 24.4 |
500 | 508 | 530 | 715/705 | 650 | 26/25 | 20 | M24/M22 | 608 | 4 | 32 | 513.5 | 534 | 10 | 27.7 |
600 | 610 | 630 | 840 | 770 | 30 | 20 | M27 | 718 | 5 | 36 | 616.5 | 634 | 10 | 39.4 |
700 | 711 | 720 | 910 | 840 | 30 | 24 | M27 | 788 | 5 | 36 | 715 | 724 | 10 | 53 |
800 | 813 | 820 | 1025/1020 | 950 | 34 | 24 | M30 | 898 | 5 | 38 | 817 | 824 | 10 | 67 |
900 | 914 | 920 | 1125/1120 | 1050 | 34 | 28 | M30 | 998 | 5 | 38 | 918 | 924 | 10 | 76 reference resources |
1000 | 1016 | 1020 | 1255 | 1170 | 36/34 | 28 | M33/M30 | 1110 | 5 | 38 | 1020 | 1024 | 10 | 90 reference |
1100 | 1120 | 1355 | 1270 | 36 | 32 | M33 | 1215 | 5 | 42 | 1124 | 12 | 125 reference | ||
1200 | 1219 | 1220 | 1485 | 1390 | 39/41 | 32 | M36 | 1325 | 5 | 44 | 1223 | 1224 | 12 | 143 reference |
1300 | 1320 | 1585 | 1490 | 41 | 32 | M36 | 1425 | 5 | 46 | 1324 | 12 | 180 reference | ||
1400 | 1422 | 1420 | 1685 | 1590 | 42/48 | 36 | M39/M42 | 1525 | 5 | 48 | 1426 | 1424 | 14 | 195 reference |
1500 | 1520 | 1820 | 1710 | 48 | 36 | M42 | 1640 | 5 | 50 | 1524 | 14 | 225 reference | ||
1600 | 1626 | 1620 | 1930 | 1820 | 48/54 | 40 | M45/M48 | 1750 | 5 | 52 | 1630 | 1624 | 16 | 275 reference |
1750 | 2080 | 1970 | 54 | 44 | M48 | 1900 | 5 | 54 | 16 | 310 reference | ||||
1800 | 1829 | 1820 | 2130 | 2020 | 48/54 | 44 | M45/M48 | 1950 | 5 | 56 | 1833 | 1824 | 17 | 340 reference |
2000 | 2032 | 2020 | 2345 | 2230 | 48/54 | 48 | M45/M48 | 2150 | 5 | 60 | 2036 | 2024 | 18 | 420 reference |
2200 | 2220 | 2555 | 2440 | 56 | 52 | M52 | 2370 | 6 | 80 | 2224 | 20 | 660 reference | ||
2400 | 2420 | 2765 | 2650 | 56 | 56 | M52 | 2570 | 6 | 90 | 2424 | 20 | 840 reference | ||


PN 1.6MPa (16 pressure) flat welded steel pipe flange(PL -RF)
Norminal Diameter | Pipe Outside Diameter | Link Sice | Seal Surface Size | Flange Thickness | Flange Inside Diameter B1 | Groove Width | Approx Weight | |||||||
A1 | Flange outer diameter | Diameter of center circle of bolt hole | Diameter of bolt hole | Number of bolt holes | thread | |||||||||
DN | A | B | D | K | L | n | Th | d | f | C | A | B | b | (Kg) |
10 | 17.2 | 14 | 90 | 60 | 14 | 4 | M12 | 40 | 2 | 14 | 18 | 15 | 3 | 0.55 |
15 | 21.3 | 18 | 95 | 65 | 14 | 4 | M12 | 45 | 2 | 14 | 22 | 19 | 3 | 0.71 |
20 | 26.9 | 25 | 105 | 75 | 14 | 4 | M12 | 55 | 2 | 16 | 27.5 | 26 | 3 | 0.87 |
25 | 33.7 | 32 | 115 | 85 | 14 | 4 | M12 | 65 | 2 | 18 | 34.5 | 33 | 4 | 1.18 |
32 | 42.4 | 38 | 140/135 | 100 | 18 | 4 | M16 | 78 | 2 | 18 | 43.5 | 39 | 4 | 1.60 |
40 | 48.3 | 45 | 150/145 | 110 | 18 | 4 | M16 | 85 | 3 | 20 | 49.5 | 46 | 4 | 2.00 |
50 | 60.3 | 57 | 165/160 | 125 | 18 | 4 | M16 | 100 | 3 | 22 | 61.5 | 59 | 4 | 2.61 |
65 | 76.1 | 76 | 185/180 | 145 | 18 | 4 | M16 | 120 | 3 | 24 | 77.5 | 78 | 5 | 3.45 |
80 | 88.9 | 89 | 200/195 | 160 | 18 | 8 | M16 | 135 | 3 | 24 | 90.5 | 91 | 5 | 3.71 |
100 | 114.3 | 108 | 220/215 | 180 | 18 | 8 | M16 | 155 | 3 | 26 | 116 | 110 | 5 | 4.80 |
125 | 139.7 | 133 | 25Q/245 | 210 | 18 | 8 | M16 | 185 | 3 | 28 | 141.5 | 135 | 5 | 6.47 |
150 | 168.3 | 159 | 285/280 | 240 | 22/23 | 8 | M20 | 210 | 3 | 28 | 170.5 | 161 | 5 | 7.92 |
175 | 194 | 310 | 270 | 22/23 | 8 | M20 | 240 | 3 | 28 | 196 | 6 | 8.81 | ||
200 | 219.1 | 219 | 34QZ335 | 295 | 22/23 | 12 | M20 | 265 | 3 | 30 | 221.5 | 222 | 7 | 10.10 |
225 | 245 | 365 | 325 | 22/23 | 12 | M20 | 295 | 3 | 30 | 248 | 8 | 11.20 | ||
250 | 273 | 273 | 405 | 355 | 26/25 | 12 | M24/M22 | 320 | 3 | 32 | 276.5 | 276 | 9 | 15.70 |
300 | 323.9 | 325 | 460 | 410 | 26/25 | 12 | M24^M22 | 375 | 4 | 32 | 327.5 | 328 | 9 | 18.10 |
350 | 355.6 | 377 | 520 | 470 | 26/25 | 16 | M24/M22 | 436 | 4 | 34 | 359.5 | 380 | 10 | 23.30 |
400 | 406.4 | 426 | 580 | 525 | 30 | 16 | M27 | 485 | 4 | 38 | 411 | 430 | 10 | 31.00 |
450 | 457 | 480 | 640 | 585 | 30 | 20 | M27 | 545 | 4 | 42 | 462 | 484 | 10 | 40.20 |
500 | 508 | 530 | 715/705 | 650 | 34 | 20 | M30 | 608 | 4 | 48 | 513.5 | 534 | 10 | 55.20 |
600 | 610 | 630 | 840 | 770 | 36/41 | 20 | M33/M36 | 718 | 5 | 50 | 616.5 | 634 | 10 | 80.80 |
700 | 711 | 720 | 910 | 840 | 36/41 | 24 | M33/M36 | 788 | 5 | 50 | 715 | 724 | 10 | 106.2 |
800 | 813 | 820 | 1025/1020 | 950 | 39/41 | 24 | M36 | 898 | 5 | 52 | 817 | 824 | 10 | 130.5 |
900 | 914 | 920 | 1125/1120 | 1050 | 39/41 | 28 | M36 | 998 | 5 | 44 | 918 | 924 | 10 | 91reference |
1000 | 1016 | 1020 | 1255 | 1170 | 42/48 | 28 | M39/M42 | 1110 | 5 | 46 | 1020 | 1024 | 10 | 127reference |
1100 | 1120 | 1355 | 1270 | 42 | 32 | M39 | 1215 | 5 | 50 | 1124 | 12 | 150reference | ||
1200 | 1219 | 1220 | 1485 | 1390 | 48/54 | 32 | M45/M48 | 1325 | 5 | 52 | 1223 | 1224 | 12 | 186reference |
1300 | 1320 | 1585 | 1490 | 48 | 32 | M45 | 1425 | 5 | 54 | 1324 | 12 | 215reference | ||
1400 | 1422 | 1420 | 1685 | 1590 | 48/54 | 36 | M45/M48 | 1525 | 5 | 58 | 1426 | 1424 | 14 | 245reference |
1500 | 1520 | 1820 | 1710 | 56 | 36 | M52 | 1640 | 5 | 60 | 1524 | 14 | 32。reference | ||
1600 | 1626 | 1620 | 1930 | 1820 | 55/58 | 40 | M52 | 1750 | 5 | 64 | 1630 | 1624 | 16 | 360reference |
1750 | 2080 | 1970 | 58 | 44 | M52 | 1900 | 5 | 66 | 16 | 400reference | ||||
1800 | 1829 | 1820 | 2130 | 2020 | 55/58 | 44 | M52 | 1950 | 5 | 68 | 1833 | 1824 | 17 | 430reference |
2000 | 2032 | 2020 | 2345 | 2230 | 60 | 48 | M56 | 2150 | 5 | 70 | 2036 | 2024 | 18 | 515reference |
2200 | 2220 | 2555 | 2440 | 62 | 52 | M56 | 2370 | 6 | 90 | 2224 | 20 | 750reference | ||
2400 | 2420 | 2765 | 2650 | 62 | 56 | M56 | 2570 | 6 | 100 | 2424 | 20 | 950reference | ||
PN 2.5MPa (25 pressure) flat welded steel pipe flange(PL -RF)
Norminal Diameter | Pipe Outside Diameter | Link Size | Seal Surface Size | Flange Thickness | Flange Inside Diameter B1 | Groove Width | Approx Weight | |||||||
A1 | Flange outer diameter | Diameter of center circle of bolt hole | Diameter of bolt hole | Number of bolt holes | thread | |||||||||
DN | A | B | D | K | L | n | Th | d | f | C | A | B | b | (Kg) |
10 | 17.2 | 14 | 90 | 60 | 14 | 4 | M12 | 40 | 2 | 16 | 18 | 15 | 3 | 0.64 |
15 | 21.3 | 18 | 95 | 65 | 14 | 4 | M12 | 45 | 2 | 16 | 22 | 19 | 3 | 0.80 |
20 | 26.9 | 25 | 105 | 75 | 14 | 4 | M12 | 55 | 2 | 18 | 27.5 | 26 | 3 | 0.9g |
25 | 33.7 | 32 | 115 | 85 | 14 | 4 | M12 | 65 | 2 | 18 | 34.5 | 33 | 4 | 1.18 |
32 | 42.4 | 38 | 140/135 | 100 | 18 | 4 | M16 | 78 | 2 | 20 | 43.5 | 39 | 4 | 1.96 |
40 | 48.3 | 45 | 150/145 | 110 | 18 | 4 | M16 | 85 | 3 | 22 | 49.5 | 46 | 4 | 2.60 |
50 | 60.3 | 57 | 165/160 | 125 | 18 | 4 | M16 | 100 | 3 | 24 | 61.5 | 59 | 4 | 2.71 |
65 | 76.1 | 76 | 185/180 | 145 | 18 | 8 | M16 | 120 | 3 | 24 | 77.5 | 78 | 5 | 3.22 |
80 | 88.9 | 89 | 200/195 | 160 | 18 | 8 | M16 | 135 | 3 | 26 | 90.5 | 91 | 5 | 4.06 |
100 | 114.3 | 108 | 235/230 | 190 | 22/23 | 8 | M20 | 160 | 3 | 28 | 116 | 110 | 5 | 6.00 |
125 | 139.7 | 133 | 270 | 220 | 26/25 | 8 | M24/M22 | 188 | 3 | 30 | 141.5 | 135 | 5 | 8.26 |
150 | 168.3 | 159 | 300 | 250 | 26/25 | 8 | M24/M22 | 218 | 3 | 30 | 170.5 | 161 | 5 | 10.40 |
175 | 194 | 330 | 280 | 26/25 | 8 | M24/M22 | 248 | 3 | 32 | 196 | 6 | 11.90 | ||
200 | 219.1 | 219 | 360 | 310 | 26/25 | 12 | M24/M22 | 278 | 3 | 32 | 221.5 | 222 | 7 | 14.50 |
225 | 245 | 395 | 340 | 30 | 12 | M27 | 302 | 3 | 34 | 248 | 8 | 17.00 | ||
250 | 273 | 273 | 425 | 370 | 30 | 12 | M27 | 332 | 3 | 34 | 276.5 | 276 | 9 | 18.90 |
300 | 323.9 | 325 | 485 | 430 | 30 | 16 | M27 | 390 | 4 | 36 | 327.5 | 328 | 9 | 26.80 |
350 | 355.6 | 377 | 555/550 | 490 | 34 | 16 | M30 | 448 | 4 | 42 | 359.5 | 380 | 10 | 34.35 |
400 | 406.4 | 426 | 620/610 | 550 | 36/34 | 16 | M33/M30 | 505 | 4 | 44 | 411 | 430 | 10 | 44.90 |
450 | 457 | 480 | 670/660 | 600 | 36/34 | 20 | M33/M30 | 555 | 4 | 48 | 462 | 484 | 10 | 51.92 |
500 | 508 | 530 | 730 | 660 | 36/41 | 20 | M33/M36 | 610 | 4 | 52 | 513.5 | 534 | 10 | 67.30 |
600 | 610 | 630 | 845/840 | 770 | 39/41 | 20 | M36 | 718 | 5 | 56 | 616.5 | 634 | 10 | 95.20 |
700 | 711 | 720 | 960/955 | 875 | 42/48 | 24 | M39/M42 | 815 | 5 | 60 | 715 | 724 | 10 | 116 |
800 | 813 | 820 | 1085/1070 | 990 | 48 | 24 | M45/M42 | 930 | 5 | 64 | 817 | 824 | 10 | 150.2 |
900 | 914 | 920 | 1185/1180 | 1090 | 48/54 | 28 | M45/M48 | 1025 | 5 | 58 | 918 | 924 | 10 | 160reference |
1000 | 1016 | 1020 | 1320/1305 | 1210 | 55/58 | 28 | M52 | 1140 | 5 | 62 | 1020 | 1024 | 10 | 210reference |
1100 | 1120 | 1420 | 1310 | 56 | 32 | M52 | 1240 | 5 | 66 | 1124 | 12 | 255reference | ||
1200 | 1219 | 1220 | 1530/1525 | 1420 | 55/58 | 32 | M52 | 1350 | 5 | 70 | 1223 | 1224 | 12 | 300 reference |
1300 | 1320 | 1645 | 1530 | 62 | 32 | M56 | 1450 | 5 | 74 | 1324 | 12 | 355reference | ||
1400 | 1422 | 1420 | 1755/1750 | 1640 | 60/65 | 36 | M56 | 1560 | 5 | 76 | 1426 | 1424 | 14 | 450reference |
1500 | 1520 | 1865 | 1750 | 62 | 36 | M56 | 1670 | 5 | 80 | 1524 | 16 | 480 reference | ||
1600 | 1626 | 1620 | 1975 | 1860 | 60 | 40 | M56 | 1780 | 5 | 84 | 1630 | 1624 | 16 | 570reference |
1800 | 1829 | 1820 | 2195 | 2070 | 68 | 44 | M64 | 1985 | 5 | 90 | 1833 | 1824 | 17 | 700reference |
2000 | 2032 | 2020 | 2425 | 2300 | 68 | 48 | M64 | 2210 | 5 | 96 | 2036 | 2024 | 18 | 900reference |
Product Description:
Corresponding standards of flat welded steel pipe flange series: GB / T9119-2000,JB81-94, HGJ45-91, HG20593-97
Welding flange material: 201,304,316,316l,321,202, carbon steel, alloy steel, etc
The sealing surfaces of flange with neck are as follows: RF, FM,M, T, G, FF.
Diameter range of flat welding flange with neck: DN 100 ~ DN 600
Advantages:
flat welding flange with neck also belongs to flat welding flange, because it has a short neck, so as to improve the strength of the flange and the bearing strength of the flange. So it can be used in higher pressure pipes.
Disadvantages:
compared with flat plate flange, the cost is higher, because of its shape characteristics, it is easier to bump during transportation
Application:
it is widely used in chemical industry, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, water heating, fire protection, electric power, aerospace, shipbuilding and other basic engineering.
Price
Our price fluctuates with raw materials and exchange rate.Please leave your contact information and give you a new quotation as soon as possible.
Packing
wooden case, wooden pallet or packing method specified by customers.
Note: we can produce products of various standards, models and materials according to user's requirements
We can offer you virtually every variety of merchandise associated to our item range for Amse B16.5 Wn Duplex Steel 304/F61/F53/F55/2205/2507 /2520/317L /304L, /316, /316L Steel Forged Welded Flange. Through hard and unremitting efforts, we hope to become an enterprise with efficient management, high marketability, strong international operation capability, and advanced technology and talents in the world. Thorough Info and parameters from the merchandise will probably be sent for you for any thorough acknowledge.
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