(351) 267-47-47 Chelyabinsk st. Yeniseiskaya, 53zh ABOUT COMPANY PRODUCTION PRODUCTS GOST CONTACTS the main / GOST GOST Russian standards regulate the pressure of the medium of pipelines and connecting parts, as well as on connecting flanges of fittings, connecting parts of machines, branch pipes of apparatus and reservoirs for nominal pressure Pу from 0.1 to 20.0 MPa (from 1 to 200 kgf / cm²). GOST 12819-80 Cast steel flanges for PN from 1.6 to 20.0 MPa (from 16 to 200 kgf / cm2). Design and dimensions This standard applies to flanges of cast steel reinforcement, fittings, machines, instruments, branch pipes of apparatus and tanks for the nominal pressure Py from 1.6 to 20.0 MPa (from 16 to 200 kgf / cm2) and the temperature of the medium from 20 to 873 K (from minus 253 to plus 600 deg. C) Download GOST 12819-80 GOST 12820-80 Steel flat welded flanges for PN from 0.1 to 2.5 MPa (from 1 to 25 kgf / cm2). Design and dimensions This standard applies to steel flat welded flanges of pipelines and connecting parts, as well as connecting flanges of fittings, connecting parts of machines, instruments, branch pipes of apparatus and tanks for a nominal pressure Py from 0.1 to 2.5 MPa (from 1 to 25 kgf / cm sq.) and a temperature from 203 to 573 K (from minus 70 to plus 300 degrees C) Download GOST 12820-80 GOST 12821-80 Steel butt-welded flanges for PN from 0.1 to 20 MPa (from 1 to 200 kgf / cm2). Design and dimensions This standard applies to steel welded flanges of pipelines and connecting parts, as well as connecting flanges of fittings, connecting parts of machines, instruments, branch pipes, apparatus and tanks for a nominal pressure Py from 0.1 to 20.0 MPa (from 1 to 200 kgf / cm2) and ambient temperature from 20 to 873 K (from minus 253 to plus 600 degrees C) Download GOST 12821-80 GOST 12822-80 Loose steel flanges on the welded ring for PN from 0.1 to 2.5 MPa (from 1 to 2.5 kgf / cm2). Design and dimensions This standard applies to steel flanges free on the welded ring of pipelines and connecting parts of machines, instruments, branch pipes of apparatus and tanks for Py from 0.1 to 2.5 MPa (from 1 to 25 kgf / cm2) and the temperature of the medium from 243 to 573 K (from minus 30 to plus 300 deg. C) Download GOST 12822-80 About company Production Products GOST Contacts Chelyabinsk, st. Yeniseiskaya, 53zh tel: +7 (351) 267-47-47 e-mail: office@chfz.ru