The linkage between a heating valve and its control actuator
was found to have been 'modified' with a hammer and a
lump of wood.
|
|
A bypass valve on a steam trap in the basement of
a paper mill was found in the 'open' position.
|
|
The limit switch on an intermittent rake mechanism came loose.
As a result the rake, a wash water pump and a macerator were
all running continuously instead of briefly once or twice an hour.
|
|
A steam leak like this costs about £1,000 a year.
|
|
When this non-return valve started to malfunction on a compressor
installation, the operators put a second compressor into service
at an excess cost exceeding £10,000 a week
|
|
These steps were found to be electrically heated - all year round, thanks
to a faulty frost thermostat
|
|