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Leak detector for process valve

  • US 7,940,189 B2
  • Filed: 09/26/2006
  • Issued: 05/10/2011
  • Est. Priority Date: 09/29/2005
  • Status: Active Grant
First Claim
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1. A leak detection system for detecting a leak through a closed valve disposed between an upstream pipe and a downstream pipe of an industrial process, the system comprising:

  • an insertable plate coupled to a valve body, the valve in the pipe in-line with the fluid flow, the insertable plate positioned between the valve body and the pipe and having an opening therethrough to allow fluid flow through the valve and the pipe;

    a sensor tap extending through the insertable plate to a lumen of the pipe; and

    a leak detector coupled to the sensor tap and adapted to detect a leak through the valve based on a measured acoustic signature.

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