| Compressors / Air Receivers | |
| Is every receiver equipped with a pressure gauge and one or more automatic, springloaded safety valves? | |
| Is the total relieving capacity of the safety valve able to prevent pressure in the receiver from exceeding the maximum allowable working pressure of the receiver by more than 10 percent? | |
| Is every air receiver provided with a drain pipe and valve at the lowest point for the removal of accumulated oil and water? | |
| Are compressed air receivers periodically drained of moisture and oil? | |
| Are all safety valves tested at regular intervals to determine whether they are in good operating condition? | |
| Is there a current operating permit? | |
| Is the inlet of air receivers and piping systems kept free of accumulated oil and carbonaceous materials? | |
| Are there other issues? | |
Information courtesy of the U.S. Department of Labor, Occupational Safety & Health Administration.
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