$20 $18
Size Range: 1/2” - 24” / DN15 - DN600 Pressure Rating: Class 150, 300, 600, 900, 1500, 2500lb Standard: ASME B16.5 / EN1092-1
Threaded flange can be used in systems where welding is not possible. They have threads which make them be screwed onto the pipe rather than be welded. The ASME B16.5 flange dimensions vary according to the needs. The threaded flange is also called a ‘screwed flange’ that uses a screw thread to connect the flange onto pipe. A male thread is cut onto a pipe end while a female thread is cut into the bore of the flange.
Do Threaded Flange Have a Schedule?
ASME b16.5 threaded flange could be used to connect two pipes with thread to make a joint. NPT flange are common in plumbing applications. Their applications include all types of fluid flow systems and hydraulics. There’s a fair deviation of threaded flange price due to the supply and demand factors, including the transportation costs and locations.
How to Inspection of Threaded Flange
Before the threaded flange leaves the factory, our quality inspectors will inspect the product according to the production standards, measure the flange outer diameter, thickness, bolt hole diameter, etc., to ensure that the product meets the production standards.
Inspection of THD Flange
Advantage
Dimensions of Threaded Flange
ASME B16.5 threaded flange with rating class designations 150, 300,400, 600, 900 in sizes NPS 1/2 through NPS 24 and flanges with rating class designation 1500 and 2500 in sizes NPS 1/2 through NPS 2-1/2,with requirements given in both metric and U.S. Customary units with diameter of bolts and flange bolt holes expressed in inch units.
150 LB
| Nominal Bore Of Threaded | Diameter Of (D) | Thickness Of(E) | Diameter(F) | Diameter(B) | Height1(H) | Nbr | Holes | Diameter(C) |
| 1/2″ | 90 | 9.6 | 35.05 | 30 | 14 | 4 | 15.87 | 60.3 |
| 3/4″ | 100 | 11.2 | 42.92 | 38 | 14 | 4 | 15.87 | 69.9 |
| 1″ | 110 | 12.7 | 50.80 | 49 | 16 | 4 | 15.87 | 79.4 |
| 1 1/4″ | 115 | 14.3 | 63.50 | 59 | 19 | 4 | 15.87 | 88.9 |
| 1 1/2″ | 125 | 15.9 | 73.15 | 65 | 21 | 4 | 15.87 | 98.4 |
| 2″ | 150 | 17.5 | 91.94 | 78 | 24 | 4 | 19.05 | 120.7 |
| 2 1/2″ | 180 | 20.7 | 104.65 | 90 | 27 | 4 | 19.05 | 139.7 |
| 3″ | 190 | 22.3 | 127.00 | 108 | 29 | 4 | 19.05 | 152.4 |
| 3 1/2″ | 215 | 22.3 | 139.70 | 122 | 30 | 8 | 19.05 | 177.8 |
| 4″ | 230 | 22.3 | 157.22 | 135 | 32 | 8 | 19.05 | 190.5 |
| 5″ | 255 | 22.3 | 185.67 | 164 | 35 | 8 | 22.22 | 215.9 |
| 6″ | 280 | 23.9 | 215.90 | 192 | 38 | 8 | 22.22 | 241.3 |
| 8″ | 345 | 27.0 | 269.75 | 246 | 43 | 8 | 22.22 | 298.5 |
| 10″ | 405 | 28.6 | 323.85 | 305 | 48 | 12 | 25.40 | 362.0 |
| 12″ | 485 | 30.2 | 381.00 | 365 | 54 | 12 | 25.40 | 431.8 |
| 14″ | 535 | 33.4 | 412.75 | 400 | 56 | 12 | 28.57 | 476.3 |
| 16″ | 595 | 35.0 | 469.90 | 457 | 62 | 16 | 28.57 | 539.8 |
| 18″ | 635 | 38.1 | 533.40 | 505 | 67 | 16 | 31.75 | 577.9 |
| 20″ | 700 | 41.3 | 584.20 | 559 | 71 | 20 | 31.75 | 635.0 |
| 24″ | 815 | 46.1 | 692.15 | 663 | 81 | 20 | 34.92 | 749.3 |
300 LB
| Nominal Bore Of Threaded | Diameter Of (D) | Thickness Of(E) | Diameter(F) | Diameter(B) | Diameter(A) | Height1(H) | Nbr | Holes | Diameter(C) |
| 1/2″ | 95 | 12.7 | 35.05 | 38 | 23.6 | 21 | 4 | 15.87 | 66.7 |
| 3/4″ | 115 | 14.3 | 42.92 | 48 | 29.0 | 24 | 4 | 19.05 | 82.6 |
| 1″ | 125 | 15.9 | 50.80 | 54 | 35.8 | 25 | 4 | 19.05 | 88.9 |
| 1 1/4″ | 135 | 17.5 | 63.50 | 64 | 44.4 | 25 | 4 | 19.05 | 98.4 |
| 1 1/2″ | 155 | 19.1 | 73.15 | 70 | 50.3 | 29 | 8 | 22.22 | 14.3 |
| 2″ | 165 | 20.7 | 91.94 | 84 | 63.5 | 32 | 8 | 19.05 | 127.0 |
| 2 1/2″ | 190 | 23.9 | 104.65 | 100 | 76.2 | 37 | 8 | 22.22 | 149.2 |
| 3″ | 210 | 27.0 | 127.00 | 117 | 92.2 | 41 | 8 | 22.22 | 168.3 |
| 3 1/2″ | 230 | 28.6 | 139.70 | 133 | 104.9 | 43 | 8 | 22.22 | 184.2 |
| 4″ | 255 | 30.2 | 157.22 | 146 | 117.6 | 46 | 8 | 22.22 | 200.0 |
| 5″ | 280 | 33.4 | 185.67 | 178 | 144.4 | 49 | 8 | 22.22 | 235.0 |
| 6″ | 320 | 35.0 | 215.90 | 206 | 171.4 | 51 | 12 | 25.4 | 269.9 |
| 8″ | 380 | 39.7 | 269.75 | 260 | 222.2 | 60 | 12 | 28.57 | 330.2 |
| 10″ | 445 | 46.1 | 323.85 | 321 | 276.2 | 65 | 16 | 28.57 | 387.4 |
| 12″ | 520 | 49.3 | 381.00 | 375 | 328.6 | 71 | 16 | 31.75 | 450.8 |
| 14″ | 585 | 52.4 | 412.75 | 425 | 360.4 | 75 | 20 | 31.75 | 514.4 |
| 16″ | 650 | 55.6 | 533.40 | 533 | 462.0 | 87 | 24 | 34.92 | 571.5 |
| 18″ | 710 | 58.8 | 533.4 | 533 | 462.0 | 87 | 24 | 34.92 | 628.6 |
| 20″ | 775 | 62.0 | 584.20 | 587 | 512.8 | 94 | 24 | 34.92 | 685.8 |
| 24″ | 915 | 68.3 | 692.15 | 702 | 614.4 | 105 | 24 | 41.27 | 812.8 |
600 LB
| Nominal Bore Of Threaded | Diameter Of (D) | Thickness Of(E) | Diameter(F) | Diameter(B) | Diameter(A) | Height1(H) | Nbr | Holes | Diameter(C) |
| 1/2″ | 95 | 14.3 | 35.05 | 38 | 23.6 | 22 | 4 | 15.87 | 66.7 |
| 3/4″ | 115 | 15.9 | 42.92 | 48 | 29.0 | 25 | 4 | 19.05 | 82.6 |
| 1″ | 125 | 17.5 | 50.80 | 54 | 35.8 | 27 | 4 | 19.05 | 88.9 |
| 1 1/4″ | 135 | 20.7 | 63.50 | 64 | 44.4 | 29 | 4 | 22.22 | 98.4 |
| 1 1/2″ | 155 | 22.3 | 73.15 | 70 | 50.6 | 32 | 4 | 19.05 | 114.3 |
| 2″ | 165 | 25.4 | 91.94 | 84 | 63.5 | 37 | 8 | 22.22 | 127.0 |
| 2 1/2″ | 190 | 28.6 | 104.65 | 100 | 76.2 | 41 | 8 | 22.22 | 149.2 |
| 3″ | 210 | 31.8 | 127.00 | 117 | 92.2 | 46 | 8 | 22.22 | 168.3 |
| 3 1/2″ | 230 | 35.0 | 139.70 | 133 | 104.9 | 49 | 8 | 25.4 | 184.2 |
| 4″ | 275 | 38.1 | 157.22 | 152 | 117.6 | 54 | 8 | 25.4 | 215.9 |
| 5″ | 330 | 44.5 | 185.67 | 189 | 144.4 | 60 | 8 | 28.57 | 266.7 |
| 6″ | 355 | 47.7 | 215.90 | 222 | 171.4 | 67 | 12 | 31.75 | 292.1 |
| 8″ | 420 | 55.6 | 269.75 | 273 | 222.2 | 76 | 12 | 31.75 | 349.2 |
| 10″ | 510 | 63.5 | 323.8 | 343 | 276.2 | 86 | 16 | 34.92 | 431 |
| 12″ | 560 | 66.7 | 381 | 400 | 328.6 | 92 | 20 | 34.92 | 489 |
| 14″ | 605 | 69.9 | 412 | 432 | 360.4 | 94 | 20 | 38.10 | 527 |
| 16″ | 685 | 76.2 | 469 | 495 | 411.2 | 106 | 20 | 41.27 | 603.2 |
| 18″ | 745 | 82.6 | 533 | 546 | 462.0 | 117 | 20 | 44.45 | 654.0 |
| 20″ | 815 | 88.9 | 584 | 610 | 512.8 | 127 | 24 | 44.65 | 723.9 |
| 24″ | 940 | 101.6 | 692 | 718 | 614.4 | 140 | 24 | 47.62 | 838.2 |
900 LB
| Nominal Bore Of Threaded | ID | OD | BC | RF | H | T | Holes |
| 1/2″ | 0.93 | 4.75 | 3.25 | 1.38 | 1.50 | 1.50 | 4 |
| 3/4″ | 1.14 | 5.13 | 3.50 | 1.69 | 1.75 | 1.63 | 4 |
| 1″ | 1.41 | 5.88 | 4.00 | 2.00 | 2.06 | 1.88 | 4 |
| 1 1/4″ | 1.75 | 6.25 | 4.38 | 2.50 | 2.50 | 1.88 | 4 |
| 1 1/2″ | 1.99 | 7.00 | 4.88 | 2.88 | 2.75 | 2.00 | 4 |
| 2″ | 2.50 | 8.50 | 6.50 | 3.63 | 4.13 | 2.50 | 4 |
| 2 1/2″ | 3.00 | 9.63 | 7.50 | 4.13 | 4.88 | 2.5 | 4 |
| 3″ | 3.63 | 9.50 | 7.50 | 5.00 | 5.00 | 2.38 | 4 |
| 3 1/2″ | 4.63 | 11.50 | 9.25 | 6.19 | 6.25 | 3.00 | 4 |
| 4″ | 5.69 | 13.75 | 11.0 | 7.31 | 7.50 | 3.38 | 8 |
| 5″ | 6.75 | 15.00 | 12.50 | 8.50 | 9.25 | 3.63 | 8 |
| 6″ | 8.75 | 18.50 | 15.50 | 10.63 | 11.75 | 4.25 | 8 |
| 8″ | 8.75 | 18.50 | 15.50 | 10.63 | 11.75 | 4.25 | 8 |
| 10″ | 10.88 | 21.50 | 18.50 | 12.75 | 14.50 | 4.50 | 16 |
| 12″ | 12.94 | 24.00 | 21.00 | 15.00 | 16.50 | 4.88 | 20 |
| 14″ | 14.19 | 25.25 | 22.00 | 16.25 | 17.75 | 5.38 | 20 |
| 16″ | 16.19 | 27.75 | 24.25 | 18.50 | 20.00 | 5.50 | 20 |
| 18″ | 18.19 | 31.00 | 27.00 | 21.00 | 22.25 | 6.25 | 20 |
| 20″ | 20.19 | 33.75 | 29.50 | 23.00 | 24.50 | 6.50 | 20 |
| 24″ | 24.19 | 41.00 | 35.50 | 27.25 | 29.50 | 8.25 | 20 |
1500 LB
| Nominal Bore Of Threaded | ID | OD | BC | R | H | T | B | Bolts Holes Number |
| 1/2″ | 0.93 | 4.75 | 3.25 | 1.38 | 1.50 | 1.50 | 0.88 | 4 |
| 3/4″ | 1.14 | 5.13 | 3.50 | 1.69 | 1.75 | 1.63 | 0.88 | 4 |
| 1″ | 1.41 | 5.88 | 4.00 | 2.00 | 2.06 | 1.88 | 1.00 | 4 |
| 1 1/4″ | 1.75 | 6.25 | 4.38 | 2.50 | 2.50 | 1.88 | 1.00 | 4 |
| 1 1/2″ | 1.99 | 7.00 | 4.88 | 2.88 | 2.75 | 2.00 | 1.13 | 4 |
| 2″ | 2.50 | 8.50 | 6.50 | 3.63 | 4.13 | 2.50 | 1.00 | 8 |
| 2 1/2″ | 3.00 | 9.63 | 7.50 | 4.13 | 4.88 | 2.75 | 1.13 | 8 |
2500 LB
| Nominal Bore Of Threaded | ID | OD | BC | R | H | T | B | Bolts Holes Number |
| 1/2″ | 0.93 | 5.25 | 3.50 | 1.38 | 1.69 | 1.81 | 0.88 | 4 |
| 3/4″ | 1.14 | 5.50 | 3.75 | 1.69 | 2.00 | 1.94 | 0.88 | 4 |
| 1″ | 1.41 | 6.25 | 4.25 | 2.00 | 2.25 | 2.13 | 1.00 | 4 |
| 1 1/4″ | 1.75 | 7.25 | 5.13 | 2.50 | 2.88 | 2.31 | 1.13 | 4 |
| 1 1/2″ | 1.99 | 8.00 | 5.75 | 2.88 | 3.13 | 2.63 | 1.25 | 4 |
| 2″ | 2.50 | 9.25 | 6.75 | 3.63 | 3.75 | 3.00 | 1.13 | 8 |
| 2 1/2″ | 3.00 | 10.50 | 7.75 | 4.1 | 4.50 | 3.38 | 1.25 | 8 |
Specification ASME B16.5 Flange
| Standard | ASME B16.5 Threaded Flange |
| Low Temperature | Above -29 Degree C (−20°F) |
| Common Types Of Flanges: | Slip On (SORF), Weld Neck (WNRF), Blind (BLRF), Lap Joint (Loose), Threaded (NPT), Socket-Weld (SWRF)
|
| Special Types Of Flanges : | Nipoflange, Elboflange, Latroflange, Swivel Flanges, Expanding Flanges, Reducing Flanges, Weldoflange |
| Marking Standard | Name of Manufacturer
Schedule Type of Flange Facing Nominal Pipe Size Pressure Class ASME B16 Designation |
| Bolt Type | high strength bolts
medium strength bolts low strength bolts |
| European Standard Flanges | JIS B2220 Flanges (5k to 30k) and KS1503 flanges |
| Russian-Standard Flanges | GOST 12820 / 12821-80, DIN, UNI, EN 1092-1 |
| South African Standard Flanges | SANSflanges And SABS flanges |
| Surface Finish | smooth, concentric serrated, stock |
| Standard Cover : | pressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing |
| Contact Faces | RTJ (Ring Type Joint), FF (Flat Face), RF (Raised Face), T/G (Tongue And Groove ), M/F (Male And Female) |
| Size Chart | Normal Pipe Size 1/2 to NPS 24″ |
| Materials | Stainless Steel (Grade 304/L, 316/L), Carbon Steel (ASTM A105 And ASTM A350), Alloy Steel (ASTM A182), Mild Steel, Duplex Steel, Pressure Vessel Steel, Titanium, Super Duplex Steel, Nickel Alloy, Monel, Inconel, Hastelloy, Copper Nickel, Cast Iron, Wrought Iron. |
| Thickness | Normal Pipe Size ≤ 18 |
| Bore Diameter | Normal Pipe ≤ 10 |
| Flanges Standards | EN 1092-1, JIS, ASME B16.5, ASME B16.47 type A, UNI, DIN
|
| Pressure Rating | Class 150 To Class 2500 |
| High Temperature | Above 200°C (400°F) For Class 150 Or Above 400°C (750°F) |
| Gaskets Types | Full Face Gasket
Flat Ring Gasket Metallic Ring Gakset |
| Advantages Of Pipe Flange | Used to Connect Pipe System
Easy Repair Pipe System Assembled Without Welding
|
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