gost CT20 flange

GOST / ГОСТ 12820-80 Flange,Steel plate welded flanges 0.6,1.0,1.6,2.5 MPa Slip on Flange,gost CT20 flange We are the profession manufacturer of Steel plate welded flanges by GOST 12820-80.  Diameter nominal, DN, mm: 10-2400, 10-1600, 10-1200, 10-800  Pressure, PN 0.1; 0.25; 0,6; 1,0; 1,6; 2,5 MPa Materials: steel 3сп, 20, 25, 09Г2С, 10Г2, 15Х5М, Read more…