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Gate-type, side-ported, line blind valve

  • US 5,464,035 A
  • Filed: 06/21/1994
  • Issued: 11/07/1995
  • Est. Priority Date: 06/21/1994
  • Status: Expired due to Fees
First Claim
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1. A gate-type, line blind valve, comprising:

  • a body having spaced-apart, front and rear walls, and side walls joined to said front and rear walls;

    whereinall said walls comprise means for cooperatively defining a valve shell having an interior; and

    inlet and outlet fluid apertures in said front and rear walls;

    resilient seats set in said apertures;

    gating means interposed, and movable, between said front and rear walls, for (a) sealingly engaging said seats, and (b) exposing said apertures to, and occluding said apertures from, the ambient; and

    whereinsaid side walls have porting means for exposing said interior of said shell to, and occluding said interior from, the ambient; and

    said porting means comprises openings in said side walls in substantial alignment with said apertures for allowing any fluid spillage within said interior of said shell to vent to the ambient, and closures removably fixed to said side walls for occluding said porting means.

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