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Safety Focus of Week May 13 - Undetected Ball Valve Failure< Back to Blog

May 13, 2019
By: M. Cavett
Categories: Safety

UNDETECTED BALL VALVE FAILURE

Below is a safety beacon from the CCPS from March 2019.  It talks about not trusting valves for secure isolations for safety reasons.  We have made an effort over the last few years to accomplish this by either replacing the valves with blinds or removing the line all together. 

I can think of two examples off of the top of my head:  

  1. Sample suction line isolation of HP from LP system
  2. Disconnecting the Reflux pump case vent from the relief valve header. 

We need to continue to be vigilant in recognizing the potential for valves to leak.  Continue to point out any locations where we have valves as secure isolation points, and we can get a blind installed instead.

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