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Steel butt-welded flange for octagonal gasket of vessels and apparatus GOST 28759.4-90

Item type
Фланец стальной приварной встык сосудов и аппаратов
Standard
ГОСТ 28759.4-90
Diameter (Dу)
400 - 1200 мм
Pressure (Py)
6.3; 8.0; 10.0; 16.0 МПа
Steel grade
ст.20, 09Г2С, 15Х5М, 13ХФА, 12Х18Н10Т
Manufacturer
ООО "Завод кольцевых заготовок"

The company has a self-pickup system.

Receiving the goods at the address

Working hours: Mon-Fri from 9.00 to 17.00

Address: 644036, Omsk, st. 3rd Kazakhstan, 4


Departure to other cities of the Russian Federation through transport companies.

Sending is made after 100% payment for the goods, unless otherwise specified in the Delivery Specifications.

Flanges in accordance with GOST 28759.4-90 are steel butt-welded flanges for vessels and apparatuses for an octagonal gasket. Flanges in accordance with GOST 28759.4-90 withstand pressure from 6.3 MPa to 16.0 MPa, and their diameter is from 400 mm to 1600 mm. The operating temperature at which flanges are used in accordance with GOST 28759.4-90 varies from minus 70 ° С to plus 540 ° С.

Flanges for an octagonal gasket in accordance with GOST 28759.4-90 can be made of:

  • centrifugal electroslag casting, TsEShL;
  • production from rolled rings, forgings;
  • plasma, laser or gas cutting from sheet.

Steel butt-welded flanges for vessels and apparatus for an octagonal gasket are tested for tensile strength, yield strength and impact strength, mechanical properties are determined in accordance with the requirements of the standard.

The products comply with the requirements of the technical regulations of the Customs Union of the EAEU TR CU 032/2013. The products are supplied with quality certificates.

The warranty period for steel butt-welded flanges for vessels and apparatus for an octagonal gasket is 24 months.

Steel butt-welded flange for octagonal gasket of vessels and apparatus GOST 28759.4-90