A Dart or Valve plug for opening, Closing or Modulation of the abrasive FLUID FLOW, such as Pulp or mineral in Tailings, The Plug is in the shape of an inverted Pyramid of polygonal base and the seat has a polygonal Perimeter, which FITS with the Outer surface of the Plug

摘要

A Dart or Plug Valve for opening, Closing or Modulation of the abrasive FLUID FLOW, such as Pulp or Mineral Tailings, whether for Systems working at Atmospheric Pressure or pressurized, which prevents Turbulence and Vibration, which comprises a plug (1) and United N The Upper portion to a Rod (2), all being enclosed by a Valve Body (4),In the Valve Body (4) is connected with an inlet pipe (5) and an outlet pipe (6), where the connection between the Outlet pipe (6) and a Valve Body (4) is a Seat (3), wherein Said Filler (1) has the shape of an inverted Pyramid of Bas And polygonal and the seat (3) has a polygonal Perimeter, which FITS with the Outer surface of the plug.Also refers to a Valve Shaft to be used in Abrasive Fluids with particles of large size, such as Stones, preventing the proper Modulation of the Fluid.