Successful repair of DN 700 PN 5.0 MPa disc valve manufactured by Metso Neles (Finland). Class 'A' air tightness was confirmed at working pressure in accordance with GOST 9544-2015 (air/gas test stand
Successful repair of DN 700 PN 5.0 MPa disc valve manufactured by Metso Neles (Finland). Class 'A' air tightness was confirmed at working pressure in accordance with GOST 9544-2015 (air/gas test standard).