- Country of manufactureRussia
Flanges DN 250 PN 10 Standard 12820 - 80 - 1 - is the connecting elements of the pipeline system. They have a flat shape or a rectangular ring with uniformly spaced openings for studs and bolts needed to seal and secure connection of tubes and various fittings, joining them to each other and to apparatuses, machines of different capacities. Using a set of flanges - in pairs. Flat steel flanges used in the temperature range of conditions of - 70 ° C - + 450 ° C at a pressure of 0.1 - 2.5 MPa . Ispolnenie these parts regulates GOST 12815 - 80. It depends on the pressure, which is calculated on flanged or flange.