Hudson Flanges is a leading GOST 33259 flange manufacturer based in the Midlands, UK. Renowned for their accuracy and reliability, these flanges are designed to meet exacting GOST standards. Providing exceptional strength and corrosion resistance for a wide range of industrial applications. Available in sizes and pressure ratings GOST 33259 flanges Oil and gas pipelines, petrochemicals. Factories power plants Ideal for use in critical systems. We ensure quality materials with attention to durability design accuracy and performance, providing solutions designed to meet the needs of businesses worldwide.
GOST 33259 flanges are typically carbon steel, stainless steel, or steel alloys, with sufficient alloying elements of carbon, manganese, silicon, and others to ensure high strength and corrosion resistance. These flanges provide good mechanical properties with tensile strengths up to 400-600 MPa with yield strengths of 250-350 MPa, providing longer service under stress. Advantages include excellent durability, precise design, and the ability to withstand high pressure and high temperature conditions. Their rugged design ensures joint resistance and ease of installation, making them ideal for critical applications in industries such as oil, gas, petrochemicals and electricity generation
Standard | GOST / ГОСТ 33259 |
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 |
Hudson Flanges a leading supplier in Midland, UK, offers an extensive selection of GOST 12821-80 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.
The GOST 33259 flange is widely used in industrial applications where reliable high-strength connections are required. Commonly found in oil and gas pipelines, petrochemical plants, power plants, and chemical plants. These flanges provide safe, watertight joint transport for liquid gases and hot water under high pressure and high temperature conditions. Their heat exchangers, valves, pumps , compressors etc. are important in applications, ensuring safe and efficient operating procedures critical Flanges. Also provide easy maintenance and disassembly for maintenance and make them desirable for demanding industries for durability, safety and reliable performance in harsh working environments.
Diameter conditional (DN), millimeter | O.D. Of (D), millimeter | Diameter of spacing (D0), millimeter | Diameter internal (dB), millimeter | Flange wall thickness (b), millimeter | fastener Size (d0), millimeter | mounting holes Number (n), pcs | Weight of one flange, kilogram |
15 | 80/95 | 55/65 | nineteen | 10/10 | 11/14 | 4/4 | 0.3 / 0.5 |
20 | 90/105 | 65/76 | nineteen | 12/12 | 11/14 | 4/4 | 0.5 / 0.7 |
25 | 100/115 | 75/85 | nineteen | 12/12 | 11/14 | 4/4 | 0.6 / 0.9 |
32 | 120/135 | 90/100 | 39 | 13/14 | 14/18 | 4/4 | 1.1 / 1.4 |
40 | 130/145 | 100/110 | 46 | 13/15 | 14/18 | 4/4 | 1.2 / 2 |
50 | 140/160 | 110/125 | 59 | 13/15 | 14/18 | 4/4 | 1.3 / 2.1 |
65 | 160/180 | 130/145 | 78 | 13/17 | 14/18 | 4/4 | 1.6 / 2.8 |
80 | 180/195 | 150/160 | 91 | 15/17 | 18/18 | 4/4 | 2.4 / 3.2 |
100 | 205/215 | 170/180 | 110 | 15/19 | 18/18 | 4/8 | 2.8 / 4 |
125 | 235/245 | 200/210 | 135 | 17/21 | 18/18 | 8/8 | 3.8 / 5.4 |
150 | 260/280 | 225/240 | 161 | 17/21 | 18/22 | 8/8 | 4.4 / 6.6 |
200 | 315/335 | 280/295 | 222 | 19/21 | 18/22 | 8/8 | 5.9 / 8 |
250 | 370/390 | 335/350 | 273 | 20/23 | 18/22 | 12/12 | 7.6 / 10 |
300 | 435/440 | 395/400 | 325 | 20/24 | 22/22 | 12/12 | 10.2 / 13 |
350 | 485/500 | 445/460 | 377 | 22/24 | 22/22 | 12/16 | 12.6 / 16 |
400 | 535/565 | 495/515 | 426 | 24/26 | 22/26 | 16/16 | 15.2 / 21 |
500 | 640/670 | 600/620 | 530 | 25/28 | 22/26 | 16/20 | 19/28 |
600 | 755/780 | 705/725 | 630 | 25/31 | 26/30 | 20/20 | 26/40 |
800 | 975/1010 | 920/950 | 820 | 27/37 | 30/33 | 24/24 | 46/79 |
1000 | 1175/1220 | 1120/1160 | 1020 | 31/43 | 30/33 | 28/28 | 64/118 |
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.
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