Automatic or Manually Operated Butterfly Valve is flow resistant and allows for reversible flow direction and provide gentle treatment of low and medium viscosity product. Valfit Engineers manufactures Automatic or Manually Operated Butterfly Valve. Valfit Engineers also manufactures various types of stainless steel valves, fittings, pumps, tanks, pressure vessels, filter housing and complete piping erection. The Automatic or Manually Operated Butterfly Valve is fitted with vertically mounted actuators. This Valve has mechanically locking handles.