• Diameters D =150mm…400mm
  • Heads H = 45m…200m
  • Oil pressure P = 4MPa…16MPa
Designation Material
1 Body Carbon steel
2 Valve Stainless steel
3 Valve seat Bronze
4 Servomotor component parts Carbon steel

Features of the valve with hydraulic drive of valve type:

  • shutting-off device - valve
  • metal-to-metal seal
  • limit switches for closed and open positions of the valve with hydraulic drive
  • double-acting servomotor (for opening and closing)
  • servomotor working fluid - turbine oil
  • in closed position the valve is additionally under water pressure, which provides leak-tightness in case of the oil pressure drop in the control system