hydro-mechanical equipment of hydraulic power plants (spherical, butterfly, sluice and other upstream turbine valves, stop logs and gates for intakes and outlets) project, manufacture, construction, tests, commissioning a......hydro-mechanical equipment of hydraulic power plants (spherical, butterfly, sluice and other upstream turbine valves, stop logs and gates for intakes and outlets) project, manufacture, construction, tests, commissioning and training, upgrading butterfly valves: the valves of pressure penstock of hydraulic turbines, suitable closing device in water-supply, thermal and nuclear power plants. the construction is formed by a welded body, welded or cast lens, forged stems and sliding (self-lubricating) bearings. the peripheral sealing of the lens is carried out by a special shaped rubber which is adjustable and replaceable. standard range of parameters being produced: dn 400 to dn 3600, pn 2.5 4 6 of standard design with mechanical and hydraulic operating, applied mostly in water-supply, thermal and nuclear power plants. dn 400 to dn 5000 for pressures up to 2.0 mpa, used mostly in hydro power. the operating is hydraulic. diverse parameters can be agreed individually. please note that we cannot provide pricing information unless we receive a serious request with a detailed description of your needs.