Butterfly Valve


  • Pentaflo’s butterfly valves are able to open and close under equalized water pressure on the disc sides as well as to close at full Turbine discharge.
  • In addition, emergency closure valves shall close automatically in case of penstock rupture. The opening is done by means of one standard servomotor.
  • We manufacture turbine inlet butterfly valve double off set type (double eccentric).
  • We offer hydraulic operator with the provision of counter weight for self-closing in the event of any fault.

Fabrication and Ranges

  • The valves are fabricated or made from cast steel.
  • Size ranges from ø 150 mm to 3000 mm.