
ANSI B16.5 150lbs Weld Neck CS Duplex Stainless Steel F51 Duplex 2205 ASME B16.5 1/2" - 24" 150# RF FF Rtj Lj Flange
Product Introduction
We always aim at sustainable development and continue to provide quality High Pressure Pipe Fittings Tee Cross, Industry Electric Flanged Butterfly Valve, Two Piece Ball Valve to the society. We implement the strategy of basing ourselves on the main business and doing a good job in asset allocation, and adhere to innovation driven. We will continue to optimize product performance and service capabilities to meet new user requirements. We rely on the overall resources of the company and innovate our operation mode by exploring potential investment opportunities and combining our internal and external advantages. Our products are the best.
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
In the face of the fierce market competition, we will be perfecting our own management and developing direction constantly, in order to make our ANSI B16.5 150lbs Weld Neck CS Duplex Stainless Steel F51 Duplex 2205 ASME B16.5 1/2" - 24" 150# RF FF Rtj Lj Flange capture the international market rapidly. We've strict excellent control procedures for each system. Our behavior philosophy is: "Never let down every person who believes in us. "
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