- Connection typeWeld
Flanges are intended for installation on pipelines, pipeline fittings, installation of separate parts of pipelines, connection of steel pipes with tanks, cars, devices in various industries.
Design
Flange steel welded end-to-end with the smooth acting sealing surface. Are made of carbonaceous steel. By request of the consumer flanges can be made with another, set parameters.
Technical characteristics
Working pressure, no more … … … … … ….4,0 MPas; 6,3 MPas; 10,0 MPas; 16,0 MPas; 20,0 MPas
Temperature of a working environment … … … … … … from - 40 °C to +180 °C (Stal20, U1)
limits change for other brands of steel
Working environment … … … … … … … … … … … …. water, gas, oil products and other environments, including
aggressive, neutral to materials of flanges
Ambient temperature … … … to the .neena below - 40 °C (U1) is not lower - 60 °C (HL1),
depending on material of flanges
Full service life … … … … … … … …. not less than 30 years
Design and sizes … … … … … … …. GOST 12821
Connecting sizes and sizes
sealing surfaces … … … … GOST 12815
Materials of the main details
Steel 20
Steel 09G2S
By request of the consumer flanges can be made of other brands of steel, including corrosion-proof. (To DN300).