Goncharov Sergei

Leading Specialist of the Office of the Chief Mechanical Engineer – Chief Mechanical Engineer of the Department of Energy and Mechanics, SUE «Vodokanal of St. Petersburg» 42 Kavalergardskaia St., 191015, Saint-Petersburg, Russian Federation, tel.: +7 (812) 438-44-71, e-mail: Goncharov_SA@vodokanal.spb.ru

• Analysis of regulatory requirements for shut-off and control valves for drinking water supply networks and world practice