MULTISTAGE TRIM FOR CONTROL VALVES

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Abstract

A control valve (1) comprising: a cylindrical hollow trim (2) defining an inner bore (5) extending along an axis (Y) between a first opening (3) and a second opening (4), said first opening (3) defining an inlet of said valve (1), said trim (2) comprising: a first outer cylinder (11) extending along said axis (Y) and comprising a first plurality (14) of radial through holes defining an outlet, a second cylinder (12), housed in said first cylinder (11) and coaxial therewith, said second cylinder comprising a second plurality (15) of radial through holes, said holes of said first plurality (14) being smaller and in greater number than the holes of said second plurality (15), for each hole (14, 15) of one of said first and second cylinders (11, 12) the projection along a radial direction on the other of said first and second cylinders (12, 11) being spaced from each hole (15, 14) of the other of said first and second plurality a plug (6) sized to fit inside the bore (5) and slidably movable along said axis (Y).

Classe Tecnologica

F - Mechanical engineering, lighting, heating, weapons, blasting

Patent Office

European Patent Office

Numero Deposito

EP 3069060

Anno Deposito

2014

Anno Concessione

2017

Inventori Pugliesi

  • Bergamini Lorenzo
  • Pietanza Vincenzo

Tutti gli inventori

  • Bergamini Lorenzo
  • Pietanza Vincenzo

Titolari pugliesi

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