Supachok Flanges, a top-notch manufacturer and supplier based in Bangkok, Thailand, is all about delivering high-quality Hot Dipped Galvanized Flanges that meet international standards for corrosion resistance, strength, and durability. These flanges go through a hot-dip galvanization process, which gives them a tough zinc coating to shield against rust and environmental wear and tear. Supachok Flanges caters to a variety of industries, including water treatment, oil & gas, chemical processing, construction, and power generation. With a strong emphasis on precision, quality, and long-lasting performance, their Hot Dipped Galvanized Flanges provide dependable, leak-proof connections and boost operational safety in both industrial and outdoor piping setups.
Made from premium carbon steel or alloy steel, Hot Dipped Galvanized Flanges are coated with a substantial layer of zinc through the hot-dip galvanization process. This not only enhances their corrosion resistance but also boosts toughness and mechanical strength, ensuring they stand the test of time. On the mechanical side, these flanges deliver impressive tensile strength, yield strength, and impact resistance. The zinc coating acts as a barrier, protecting the base metal from rust and environmental damage, which helps maintain structural integrity and secure, leak-proof connections. Hot Dipped Galvanized Flanges are designed for reliability and consistent performance across various industrial and outdoor settings.
| Specification | Galvanized Flanges |
|---|---|
| Order Quantity | 30 Piece |
| Size | >30 inch |
| Forging Methods | Casting/ Forging/ Rolling/ Cutting |
| Production Technique | Forged/ Heat treated and machined |
| Brand | Vishal Steel |
| Flange Type | Slip On/ Blind/ Weld Neck/ Threaded |
| Color | galvanised |
| Shape | round |
| Flange Equipment | Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc |
| Finish | coated |
| Rated Pressure | as per requirement |
| Surface Finish | as per requirement |
| Diameter | depends on size |
| Supporting Material | Gasket/ Ring Joint/ Flange Bolts |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Application | Bitumen upgraders Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids. |
| Composition | Content |
|---|---|
| Sulfur, S | ≤ 0.050 % |
| Iron, Fe | 98.81 – 99.26 % (as remainder) |
| Carbon, C | 0.14 – 0.20 % |
| Manganese, Mn | 0.60 – 0.90 % |
| Phosphorous, P | ≤ 0.040 % |
Supachok Flanges, a leading supplier in Bangkok, Thailand, offers an extensive selection of Hot dipped Galvanized Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
These flanges are a go-to choice in industries that need corrosion-resistant, durable, and reliable piping solutions. You’ll find them commonly used in water supply systems, wastewater treatment plants, oil & gas pipelines, chemical and petrochemical facilities, and construction projects. They’re also perfect for outdoor installations that face moisture, rain, or tough environmental conditions. By ensuring secure, leak-proof connections with added corrosion protection, Hot Dipped Galvanized Flanges contribute to operational efficiency, safety, and long-term reliability. Their impressive mechanical and chemical properties make them an ideal choice for demanding applications.
| Normal Size Of Steel Pipe in Inch | NPS (Normal Pipe Size) Size in Millimeter | O.D. | Wall Thickness | Hub Outer Diameter | Weld Neck Outer Diameter | ASME B16.5 WNRF Length | WNRF Bore Daimeter | Raised Face Diameter | Height Of Raised Face | PCD | Face Of WNRF |
| (A) | (B) | (C) | (D) | (E) | (F) | (G) | (H) | (I) | (J) | ||
| 1/2 | 15 | 90 | 9.6 | 30 | 21.3 | 46 | – | 34.9 | 2 | 60.3 | 1.6 |
| 3/4 | 20 | 100 | 11.2 | 38 | 26.7 | 51 | 42.9 | 2 | 69.9 | 1.6 | |
| 1 | 25 | 110 | 12.7 | 49 | 33.4 | 54 | 50.8 | 2 | 79.4 | 1.6 | |
| 1 1/4 | 32 | 115 | 14.3 | 59 | 42.2 | 56 | 63.5 | 2 | 88.9 | 1.6 | |
| 1 1/2 | 40 | 125 | 15.9 | 65 | 48.3 | 60 | 73 | 2 | 98.4 | 1.6 | |
| 2 | 50 | 150 | 17.5 | 78 | 60.3 | 62 | 92.1 | 2 | 120.7 | 1.6 | |
| 2 1/2 | 65 | 180 | 20.7 | 90 | 73 | 68 | 104.8 | 2 | 139.7 | 1.6 | |
| 3 | 80 | 190 | 22.3 | 108 | 88.9 | 68 | 127 | 2 | 152.4 | 1.6 | |
| 3 1/2 | 90 | 215 | 22.3 | 122 | 101.6 | 70 | 139.7 | 2 | 177.8 | 1.6 | |
| 4 | 100 | 230 | 22.3 | 135 | 114.3 | 75 | 157.2 | 2 | 190.5 | 1.6 | |
| 5 | 125 | 255 | 22.3 | 164 | 141.3 | 87 | 185.7 | 2 | 215.9 | 1.6 | |
| 6 | 150 | 280 | 23.9 | 192 | 168.3 | 87 | 215.9 | 2 | 241.3 | 1.6 | |
| 8 | 200 | 345 | 27 | 246 | 219.1 | 100 | 269.9 | 2 | 298.5 | 1.6 | |
| 10 | 250 | 405 | 28.6 | 305 | 273 | 100 | 323.8 | 2 | 362 | 1.6 | |
| 12 | 300 | 485 | 30.2 | 365 | 323.8 | 113 | 381 | 2 | 431.8 | 1.6 | |
| 14 | 350 | 535 | 33.4 | 400 | 355.6 | 125 | 412.8 | 2 | 476.3 | 1.6 | |
| 16 | 400 | 595 | 35 | 457 | 406.4 | 125 | 469.9 | 2 | 539.8 | 1.6 | |
| 18 | 450 | 635 | 38.1 | 505 | 457.2 | 138 | 533.4 | 2 | 577.9 | 1.6 | |
| 20 | 500 | 700 | 41.3 | 559 | 508 | 143 | 584.2 | 2 | 635 | 1.6 | |
| 24 | 600 | 815 | 46.1 | 663 | 610 | 151 | 692.2 | 2 | 749.3 | 1.6 |
| Size | Specification |
|---|---|
| 3/4″ Pipe | 3-1/4″ OD, 5/8″ Hub Length, Black Floor Pipe Flange |
| 1/2″ Pipe | 3″ OD, 5/8″ Hub Length, Black Floor Pipe Flange |
| 2″ Pipe | 5-1/2″ OD, 1″ Hub Length, Black Floor Pipe Flange |
| 1-1/2″ Pipe | 4-1/2″ OD, 7/8″ Hub Length, Black Floor Pipe Flange |
| 1″ Pipe | 4″ OD, 11/16″ Hub Length, Black Floor Pipe Flange |
| 1/2″ Pipe | 3-1/2″ OD, 5/8″ Hub Length, Galvanized Floor Pipe Flange |
| 1-1/4″ Pipe | 4″ OD, 13/16″ Hub Length, Black Floor Pipe Flange |
| 3/4″ Pipe | 3-1/2″ OD, 5/8″ Hub Length, Galvanized Floor Pipe Flange |
| 1/4″ Pipe | 2-3/16″ OD, 5/8″ Hub Length, Black Floor Pipe Flange |
| 3/8″ Pipe | 3″ OD, 5/8″ Hub Length, Black Floor Pipe Flange |
| 2″ Pipe | 5-1/2″ OD, 1″ Hub Length, Galvanized Floor Pipe Flange |
| 1″ Pipe | 4″ OD, 11/16″ Hub Length, Galvanized Floor Pipe Flange |
| Normal Pipe Size | Dimensions | Weight (Kilogram) | ||||
|---|---|---|---|---|---|---|
| Normal Pipe Size (Inch) | DN (mm) | Flanges In Millimeter | Flanges In Wall Thickness | Slip On | Weld Neck | Blind |
| 1/2 | 15 | 88.9 | 11.2 | 0.4 | 0.5 | 0.4 |
| 3/4 | 20 | 98.6 | 12.7 | 0.6 | 0.7 | 0.6 |
| 1 | 25 | 108 | 14.2 | 0.8 | 1 | 0.9 |
| 1 1/4 | 32 | 117.3 | 15.7 | 1 | 1.3 | 1.2 |
| 1 1/2 | 40 | 127 | 17.5 | 1.3 | 1.7 | 1.5 |
| 2 | 50 | 152.4 | 19.1 | 2.1 | 2.6 | 2.4 |
| 2 1/2 | 65 | 177.8 | 22.4 | 3.3 | 4.1 | 3.9 |
| 3 | 80 | 190.5 | 23.9 | 3.9 | 4.9 | 4.9 |
| 3 1/2 | 90 | 215.9 | 23.9 | 4.8 | 6.1 | 6.2 |
| 4 | 100 | 228.6 | 23.9 | 5.3 | 6.8 | 7.0 |
| 5 | 125 | 254 | 23.9 | 6.1 | 8.6 | 8.6 |
| 6 | 150 | 279.4 | 25.4 | 7.5 | 10.6 | 11.3 |
| 8 | 200 | 342.9 | 28.4 | 12.1 | 17.6 | 19.6 |
| 10 | 250 | 406.4 | 30.2 | 16.5 | 24 | 28.6 |
| 12 | 300 | 482.6 | 31.8 | 26.2 | 36.5 | 43.2 |
| 14 | 350 | 533.4 | 35.1 | 34.6 | 48.4 | 58.1 |
| 16 | 400 | 596.9 | 36.6 | 44.8 | 60.6 | 76.1 |
| 18 | 450 | 635 | 39.6 | 48.9 | 68.3 | 93.7 |
| 20 | 500 | 698.5 | 42.9 | 61.9 | 84.5 | 122.0 |
| 24 | 600 | 812.8 | 47.8 | 86.9 | 115 | 185.0 |
Yes, we offer custom sizes for Hot dipped Galvanized Flanges to meet specific project needs. Our team at Supachok Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@supachokflanges.com.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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