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Single flanged end ball valve of unitary construction

  • US 6,655,412 B2
  • Filed: 03/14/2002
  • Issued: 12/02/2003
  • Est. Priority Date: 06/22/2001
  • Status: Active Grant
First Claim
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1. A ball valve unit comprising;

  • a ball section, said ball section defining a stem chamber and a ball chamber, said stem chamber disposed adjacent to and extending outwardly from said ball chamber;

    a ball valve including a ball, said ball disposed completely within said ball chamber;

    a stem disposed within and extending outwardly from said stem chamber and connected to said ball disposed within said ball chamber, an exposed portion of said stem extending beyond said stem chamber;

    a handle connected to said exposed portion of said stem disposed within said stem chamber and connected to said ball, wherein actuation of said handle effects actuation of said ball for operating said ball valve unit;

    a main section disposed separate from and adjacent to said ball section;

    a drain valve communicating with said main section; and

    a flange formed as a continuous portion of at least one of said main section and said ball section, said ball section including said stem chamber and said ball chamber, wherein said flange, said main section and said ball section including said stem chamber and said ball chamber being formed as a single piece formed of a rigid material.

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