Shawn Flanges stands out as a top manufacturer and supplier of GOST 12820-80 Flanges right here in Houston, USA. We pride ourselves on delivering high-quality solutions that meet Russian standards. Our flanges are specifically designed for flat-welded applications, ensuring that your piping systems have secure, reliable, and leak-proof connections. Made from top-notch materials like carbon steel, stainless steel, and alloy steel, our GOST 12820-80 Flanges are built to last, offering exceptional durability and resistance to pressure and temperature changes. With a variety of sizes, pressure ratings, and finishes available, these flanges are in high demand across the oil & gas, chemical, power generation, marine, and water treatment industries worldwide. Shawn Flanges is a renowned supplier and supplier of GOST 12820-80 flanges in the Houstons in the USA. Servicing a range of superior flange solutions Designed to meet stringent international standards. These flanges maintained durability under harsh conditions, dimensional accuracy exceptional and for extensive performance are acclaimed. Shawn Flanges specializes in products designed for specific technical requirements offered ensuring reliability and performance in every application. With a commitment to excellence and a focus on customer satisfaction the company offers a comprehensive range of GOST 12820-80 Flanges, available in various sizes, materials and pressure levels to meet the requirements of the project throughout the USA.
GOST 12820-80 Flanges are typically crafted from carbon steel, stainless steel, or alloy steel, incorporating key elements such as iron, carbon, manganese, chromium, nickel, and molybdenum. This blend gives them impressive resistance to corrosion, oxidation, and chemical damage. On the mechanical side, these flanges boast high tensile and yield strength, solid hardness, and excellent impact resistance, making them reliable under high pressure and temperature conditions. Their precise design and dimensional stability enable them to withstand stress, vibration, and thermal expansion in piping systems, ensuring they are dependable, durable, and safe for both critical and general industrial applications.
| Standard | GOST / ГОСТ 12820-80 |
| Size | 1/2″ to 48″ |
| UNI | 6Bar 16Bar 10Bar 25Bar 40Bar |
| Class | 300 LBS, 150 LBS, 900 LBS, 600 LBS, 1500 LBS, 2500 LBS |
| EN | 6Bar 25Bar 10Bar 40Bar 16Bar |
| Flanges Face Type Provided By Manufacturer | RF (Raised Face), RTJ (Ring Type Joint) |
| BS | BS4504 , BS4504, BS1560, BS10 |
| Value Added Services | CNC Machining, Customised Flanges |
| Outer diameters | 1/2” to 24” |
| Making Methods Provided By Manufacturer | Casting And Forging Rolling And Cutting |
| JIS | 5K, 16 K 10 K, 20 K, 40 K, 30 K, 63 K |
| Flanges Test | Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector |
| Coating/Surface Treatment By Manufacturer | Antirust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
| Flanges Equipment | Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc |
| Standards Provided By Manufacturer | BS4504, BS 10, API7S-15, JISB2220, BS1560-3.1, ANSI/ASME B16.5/16.36/16.47A/16.47B, EN1092, DIN, API7S-43, API605, B16.48, ISO70051, MSS S44 |
Shawn Flanges a leading supplier in Houston, USA, offers an extensive selection of GOST 12820-80 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.
GOST 12820-80 flanges are widely used in applications requiring safe and durable pipe connections. Due to their ability to withstand pressure and temperature conditions. They are commonly used in oil and gas pipelines, petrochemical plants and refineries. These flanges are ideal for transporting liquids, gases and chemicals while maintaining system integrity. In electrical appliances. It facilitates the smooth flow of steam, water, and gas lines. In addition they are used in shipbuilding, construction. HVAC systems due to their reliable sealing and corrosion resistance. Versatility, compatibility and adherence to standards make it indispensable in critical industrial applications.
| Pressure PN = 0.6 MPa (6 kgf/s m²) | |||||||
| Designation | D, mm | D1, mm | dv, mm | b, mm | d, mm | answer, pcs. | Mass, kg. |
| Flat flange GOST 12820-80 (01) 1-15-6 st.3 (20) | 80 | 55 | 19 | 10 | 11 | 4 | 0,33 |
| Flat flange GOST 12820-80 (01) 1-20-6 st.3 (20) | 90 | 65 | 26 | 12 | 0,53 | ||
| Flat flange GOST 12820-80 (01) 1-25-6 st.3 (20) | 100 | 75 | 33 | 12 | 0,64 | ||
| Flat flange GOST 12820-80 (01) 1-32-6 st.3 (20) | 120 | 90 | 39 | 13 | 14 | 1,01 | |
| Flat flange GOST 12820-80 (01) 1-40-6 st.3 (20) | 130 | 100 | 46 | 13 | 1,21 | ||
| Flat flange GOST 12820-80 (01) 1-50-6 st.3 (20) | 140 | 110 | 59 | 13 | 1,33 | ||
| Flat flange GOST 12820-80 (01) 1-65-6 st.3 (20) | 160 | 130 | 78 | 13 | 1,63 | ||
| Flat flange GOST 12820-80 (01) 1-80-6 st.3 (20) | 185 | 150 | 91 | 15 | 18 | 2,44 | |
| Flat flange GOST 12820-80 (01) 1-100-6 st.3 (20) | 205 | 170 | 110 | 15 | 2,85 | ||
| Flat flange GOST 12820-80 (01) 1-125-6 st.3 (20) | 235 | 200 | 135 | 17 | 8 | 3,88 | |
| Flat flange GOST 12820-80 (01) 1-150-6 st.3 (20) | 260 | 225 | 161 | 17 | 4,39 | ||
| Flat flange GOST 12820-80 (01) 1-200-6 st.3 (20) | 315 | 280 | 222 | 19 | 5,89 | ||
| Flat flange GOST 12820-80 (01) 1-250-6 st.3 (20) | 370 | 335 | 273 | 20 | 12 | 7,67 | |
| Flat flange GOST 12820-80 (01) 1-300-6 st.3 (20) | 435 | 395 | 325 | 20 | 22 | 10,28 | |
| Flat flange GOST 12820-80 (01) 1-350-6 st.3 (20) | 485 | 445 | 377 | 22 | 12,58 | ||
| Flat flange GOST 12820-80 (01) 1-400-6 st.3 (20) | 535 | 495 | 426 | 24 | 16 | 15,2 | |
| Flat flange GOST 12820-80 (01) 1-500-6 st.3 (20) | 640 | 600 | 530 | 25 | 19,72 | ||
| Flat flange GOST 12820-80 (01) 1-600-6 st.3 (20) | 755 | 705 | 630 | 25 | 26 | 20 | 26,24 |
| Flat flange GOST 12820-80 (01) 1-800-6 st.3 (20) | 975 | 920 | 820 | 27 | 30 | 24 | 46,14 |
| Flat flange GOST 12820-80 (01) 1-1000-6 st.3 (20) | 1 175 | 1 120 | 1 020 | 31 | 28 | 64,36 | |
| Flat flange GOST 12820-80 (01) 1-1200-6 st.3 (20) | 1 400 | 1 340 | 1 220 | 34 | 33 | 32 | 99,03 |
Yes, we offer custom sizes for GOST 12820-80 Flanges to meet specific project needs. Our team at Shawn Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@shawnflanges.us
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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