Collar flange GOST-12821-8

Collar flanges GOST-12821-80 are intended for connecting parts and pipelines. In addition, they can be used to connect the components of automobiles, various devices, pipes made of different materials. Flanges 09Г2С (steel grade) can be installed in apparatuses and tanks, the nominal pressure of which is in the range from 0.1 to 20 MPa (from 1 to 200 kgf / cm2). The permissible value of the temperature index of the medium into which the flanges can be placed varies from -253 ° С to +600 ° С. This standard implies the manufacture of butt-welded steel flanges CT-20, whose diameter can be 10-600 mm from carbon and low alloy steels, from heat-resistant and stainless steel grades. ST-20 and flanges 09G2S are products from reliable material at a bargain price! can be made according to personal drawings of customers.