| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Flanges
Nova Steel Corporation is a reputable brand in the industrial metal segment; it has diverse flanges that can be used in satisfying engineering and piping needs. Flanges are important and vital parts that are utilised to attach pipes, valves, pumps and other machinery, making sure that there is a secure and leak-free joint in the industrial system. Being a flange manufacturer, the company is concerned with accuracy, dimensions and meeting the set international standards in order to facilitate its application in the oil and gas, petrochemical, power generation and construction sectors.
Flanges are manufactured using quality raw materials, and they come in a range of types, pressure classes and material grades so as to match different operating environments. They are usually manufactured with other complementary items like the sheets and bars so that they can be easily incorporated into the entire piping and structural systems. These components are strong, have corrosion resistance, and are durable; hence, they can be used in high-pressure and high-temperature environments where reliability is a factor.
The requirement to source flanges using a sound B2B portal is now an effective system by which a buyer can compare specifications and be assured of quality and consistent supply chains in the current competitive industrial market. Through digital media and efficient manufacturing strength, the suppliers will be able to access the international customers and retain tight quality control and timely delivery, facilitating long-term industrial relations
ASTM / ASME / AISI Flanges Dimension & Sizes
| FLANGE NPS | Outside Diameter | Bolt Circle (BC) | Raised Face (R) | Raised Face (RF) | Raised Face Thickness (T) | Flat Face Thickness (T2) | Bolt Hole (B) | No. of Bolt Holes |
|---|---|---|---|---|---|---|---|---|
| 1/2″ | 3.50″ | 2.38″ | 1.38″ | .063″ | .44″ | .38″ | .62″ | 4 |
| 3/4″ | 3.88″ | 2.75″ | 1.69″ | .063″ | .50″ | .44″ | .62″ | 4 |
| 1″ | 4.25″ | 3.12″ | 2.00″ | .063″ | .56″ | .50″ | .62″ | 4 |
| 1-1/4″ | 4.62″ | 3.50″ | 2.50″ | .063″ | .62″ | .56″ | .62″ | 4 |
| 1-1/2″ | 5.00″ | 3.88″ | 2.88″ | .063″ | .68″ | .62″ | .62″ | 4 |
| 2″ | 6.00″ | 4.75″ | 3.62″ | .063″ | .75″ | .69″ | .75″ | 4 |
| 2-1/2″ | 7.00″ | 5.50″ | 4.12″ | .063″ | .88″ | .82″ | .75″ | 4 |
| 3″ | 7.50″ | 6.00″ | 5.00″ | .063″ | .94″ | .88″ | .75″ | 4 |
| 3-1/2″ | 8.50″ | 7.00″ | 5.50″ | .063″ | .94″ | .88″ | .75″ | 8 |
| 4″ | 9.00″ | 7.50″ | 6.19″ | .063″ | .94″ | .88″ | .75″ | 8 |
| 5″ | 10.00″ | 8.50″ | 7.31″ | .063″ | .94″ | .88″ | .88″ | 8 |
| 6″ | 11.00″ | 9.50″ | 8.50″ | .063″ | 1.00″ | .94″ | .88″ | 8 |
| 8″ | 13.50″ | 11.75″ | 10.62″ | .063″ | 1.12″ | 1.06″ | .88″ | 8 |
| 10″ | 16.00″ | 14.25″ | 12.75″ | .063″ | 1.19″ | 1.13″ | 1.00″ | 12 |
| 12″ | 19.00″ | 17.00″ | 15.00″ | .063″ | 1.25″ | 1.19″ | 1.00″ | 12 |
| 14″ | 21.00″ | 18.75″ | 16.25″ | .063″ | 1.38″ | 1.32″ | 1.12″ | 12 |
| 16″ | 23.50″ | 21.25″ | 18.50″ | .063″ | 1.44″ | 1.38″ | 1.12″ | 16 |
| 18″ | 25.00″ | 22.75″ | 21.00″ | .063″ | 1.56″ | 1.50″ | 1.25″ | 16 |
| 20″ | 27.50″ | 25.00″ | 23.00″ | .063″ | 1.69″ | 1.63″ | 1.25″ | 20 |
| 22″ | 29.50″ | 27.25″ | 25.25″ | .063″ | 1.81″ | 1.75″ | 1.38″ | 20 |
| 24″ | 32.00″ | 29.50″ | 27.25″ | .063″ | 1.88″ | 1.82″ | 1.38″ | 20 |
ASTM / ASME / AISI Flanges Weight Chart
| Nominal Pipe Size | “A” (O.D.) | “B” (Thk.) | “C” (RF Dia.) | “D” (B.C.D.) | # Bolt Holes | Dia. of Bolt Holes | Approx. Weight |
| 1/2″ | 3-3/4 | 9/16 | 1-3/8 | 2-5/8 | 4 | 5/8 | 2 |
| 3/4″ | 4-5/8 | 5/8 | 1-11/16 | 3-1/4 | 4 | 3/4 | 3 |
| 1″ | 4-7/8 | 11/16 | 2 | 3-1/2 | 4 | 3/4 | 4 |
| 1-1/4″ | 5-1/4 | 3/4 | 2-1/2 | 3-7/8 | 4 | 3/4 | 6 |
| 1-1/2″ | 6-1/8 | 13/16 | 2-7/8 | 4-1/2 | 4 | 7/8 | 7 |
| 2″ | 6-1/2 | 7/8 | 3-5/8 | 5 | 8 | 3/4 | 8 |
| 2-1/2″ | 7-1/2 | 1 | 4-1/8 | 5-7/8 | 8 | 7/8 | 12 |
| 3″ | 8-1/4 | 1-1/8 | 5 | 6-5/8 | 8 | 7/8 | 16 |
| 3-1/2″ | 9 | 1-3/16 | 5-1/2 | 7-1/4 | 8 | 7/8 | 21 |
| 4″ | 10 | 1-1/4 | 6-3/16 | 7-7/8 | 8 | 7/8 | 28 |
| 5″ | 11 | 1-3/8 | 7-5/16 | 9-1/4 | 8 | 7/8 | 37 |
| 6″ | 12-1/2 | 1-7/16 | 8-1/2 | 10-5/8 | 12 | 7/8 | 48 |
| 8″ | 15 | 1-5/8 | 10-5/8 | 13 | 12 | 1 | 79 |
| 10″ | 17-1/2 | 1-7/8 | 12-3/4 | 15-1/4 | 16 | 1-1/8 | 122 |
| 12″ | 20-1/2 | 2 | 15 | 17-3/4 | 16 | 1-1/4 | 183 |
| 14″ | 23 | 2-1/8 | 16-1/4 | 20-1/4 | 20 | 1-1/4 | 241 |
| 16″ | 25-1/2 | 2-1/4 | 18-1/2 | 22-1/2 | 20 | 1-3/8 | 315 |
| 18″ | 28 | 2-3/8 | 21 | 24-3/4 | 24 | 1-3/8 | 414 |
| 20″ | 30-1/2 | 2-1/2 | 23 | 27 | 24 | 1-3/8 | 515 |
| 24″ | 36 | 2-3/4 | 27-1/4 | 32 | 24 | 1-5/8 | 800 |
| 1/16″ raised face included in flange thickness. | |||||||
Type of Sub-products
Weld Neck Flange Weld Neck Flange
Features a long tapered hub and is butt welded to the pipe. Ideal for high pressure and high temperature systems in oil & gas and petrochemical plants due to excellent stress distribution and structural strength.
Slip On Flange Slip On Flange
Slides over the pipe and is fillet welded at both ends. Economical and easy to install, this flange is used in low pressure applications like water pipelines and HVAC systems.