Visual Inspection of Boiler Blowdown Equipment

Valves should be inspected for tight shutoff. Piping should be checked for corrosion and leakage at all joints. Ultrasonic testing and hammer sounding are good methods of pipe inspection. Elbows and sharp bends are susceptible to erosion and should be examined for indications of thin walls and holes. Coolers should be inspected in the same manner as that described for heat exchangers in API RP 572.

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