April 2000

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HP Reliability: Good procedures have huge paybacks

A few years ago, a major petrochemical company modified the piping leading from their steam generator to a mechanical drive turbine inlet flange. They then disconnected the piping from ..

Bloch, Heinz P., Hydrocarbon Processing Staff

A few years ago, a major petrochemical company modified the piping leading from their steam generator to a mechanical drive turbine inlet flange. They then disconnected the piping from the turbine and installed a temporary elbow directing the steam to atmosphere. A polished aluminum plate was mounted a few inches from the opening, serving as a target to monitor the depth and density of particle impacts during precommissioning, i.e., steam blowing to accomplish pipe cleanliness. Contract workers commenced steam-blowing operations and replaced the targets after each of several rapidly sequenced blows of a few minutes. When

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