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Manifold for replacing relief valves

  • US 4,249,563 A
  • Filed: 10/17/1979
  • Issued: 02/10/1981
  • Est. Priority Date: 10/17/1979
  • Status: Expired due to Term
First Claim
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1. In a relief valve manifold having a piped flange for a base, a contiguous, enlarged and elongated sidewall mounted thereon for a body and a pressure-tight, horizontal wall sealed thereon for a top, the improvement comprising:

  • (a) a plurality of port means lying in a horizontal plane and depending in side-by-side relation from the top wall of the body within the enlarged portion of the same, having a bleeder valve means communicating with the outside thereof mounted in the sidewall of the same, said port means being mounted to straddle a vertical plane containing a horizontal swing-axis running therethrough adjacent to and below the plane of the port means within said body and a plurality of valve means for closing said port means;

    (b) a port-closing means operationally-mounted through the sidewalls of said body on said swing-axis;

    (c) at least one handle means having an aperture therethrough offset from and extending in the direction of the swing axis and an inner side face perpendicular thereto operationally-connected to the port-closing means outside of and on the swing-axis of the manifold for actuating each valve means for closing each port; and

    (d) interlocking means mounted on the top wall of the body outside of said manifold operationally-engaging the aperture in one of said handle means and abutting the inner side face of the other handle means for selectively permitting the closing of one of said port means one port at a time while positively maintaining the remaining ports open for servicing the valve means in the closed port means.

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