GOST Standard Flange
The GOST standard flanges can be of different shapes, sizes, pressure classes and grades. There are Welding neck Flange (GOST12821-80), Plate Flange (GOST12820-80), Blind Flange (GOST12836-67) and Butt-Welded Flange (GOST12821-80) and so on.
Production Description
GOST Standard Flanges are a set of flanges that are governed by the GOST standard, which is a standard system from Russia. The flanges can be of different shapes, sizes, pressure classes and grades. There are Welding neck Flange (GOST12821-80), Plate Flange (GOST12820-80), Blind Flange (GOST12836-67) and Butt-Welded Flange (GOST12821-80) and so on.
GOST Standard Flanges pressure ratings of these flanges in PN6 through PN160MPa, range from DIN15 to DIN1600. The GOST Flanges is used in offshore oil industries, oil fields, natural gas industries, and water systems. They can be coated with anti-rust paint, oil black paint, yellow transparent, and zinc plate.
We Recognize as a Trusted Manufacturer and exporter of GOST Flange Dimensions.
- GOST Slip On Flange
- GOST Socket Weld Flanges
- GOST Blind Flanges / Dummy Flange
- GOST Threaded / Screwed Flanges
- GOST Orifice Flanges
- GOST Lap Joint Flanges
- GOST Plate Flange
GOST Flange Specification
| Specification | GOST Standard Flange (GOST 33259, GOST 12820, GOST 12821 flanges) |
|---|---|
| Schedule | SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS |
| Flange Test | Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector |
| Flange Equipment | Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc |
| Coating | Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized |
| Manufacturer Length | NPS 1⁄₂” To NPS 48” |
| Face Type | RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove. |
| Forging Methods | Casting/ Forging/ Rolling/ Cutting |
| 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 |
| Production Technique | Forged/ Heat treated and machined |
| Manufacturer of | Forged/ Threaded/ Screwed / Plate |
| Manufacturer Pressure Class | Class 150 (lb) up to 24″ Class 300 (lb) up to 20″ Class 600 (lb) up to 20″ Class 900 (lb) up to 16″ Class 1500 (lb) up to 10″ Class 2500 (lb) up to 8″ |
| Application | Bitumen upgraders Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids. |
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