HUMAN FACTOR ENGINEERING - VALVES
VALVE CRITICALITY ANALYSIS - IMPORTANCE TO HUMAN FACTOR ENGINEERING
Valves are critically rated with the aim of
minimizing risks to health and safety, balancing ease of access for operations as
well as ensuring that risk or probability of human error is kept as low as
reasonably practicable.
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| Fig 1 - Typical Ball Valve dimension and weight |
For this reason, valves are carefully categorized based on functionality, with a view to affecting and determining its best orientation and position. They include:-
