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ENGINEERED INSPECTION SYSTEMS 3259 Coral Ridge Rd, Brooks, KY 40109 |
TEL 502-955-9021
FAX 502-955-7589 |
SOME INTERESTING PROBLEMS AT HYDRO
Many times customers ask why the DOT requires periodic inspections and requalification of cylinders. Below are some extreme cases of why. All the cylinders below had been in service prior to being submitted for testing!
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SLC crack leak Cylinder condemned |
SLC crack Cylinder condemned |
SLC crack Cylinder condemned |
Severe corrosion Cylinder condemned |
Hole in side wall Cylinder condemned | |
Foreign contamination |
 Severe thread corrosion |
 Thread damage |
 Arc Burn |
 Hole in side wall | |
 Acetylene fill missing Cylinder condemned |
 Acetylene fill missing Cylinder condemned |
 Dangerous adapter Cylinder rejected |
 Wrong valve for service Wrong thread for the cylinder Cylinder condemned |
 Bent Valve Cylinder rejected | |
Severe Corrosion Cylinder condemned |
Damaged fibre Cylinder condemned |
Bad valve, cylinder threads damaged Cylinder condemned |
Bad valve, cylinder threads damaged Cylinder condemned |
Pressure leak on a propane cylinder Cylinder condemned | |
Unauthorized attempt to convert a CGA320 CO2 valve to a CGA540 Oxygen valve Cylinder rejected - Valve removed from service |
Broadband Corrosion Cylinder Condemned |
Corrosion around cylinder non-removable boot Cylinder Condemned
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Cylinder neck ring welded to cylinder Cylinder Condemned | ||
 Bottom blew out at hydro |
 Partial hole missed by UT |
   Someone had too much time on their hands. This could have been disasterous if paper had been ignited by adiabtic compression. | |||
Last update 9 July 2016