Large Valve Single Device Isolation Problems & Solutions
Hydro Vision 2008 Turbine Inlet Valve Disc â Casting Plug Failure
Hydro Vision 2008 Turbine Inlet Valve Disc â Casting Plug Failure
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Typical SDI <strong>Valve</strong> <strong>Problems</strong><br />
• Cracked Casting Hole Cover Plate Welds.<br />
• Leaking Seals – particularly metal to metal<br />
seals<br />
• Corroded Surfaces<br />
• Inadequate lockout schemes – blocking<br />
devices
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