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27- Nov -2009
Failure Analysis of a Weld Neck Flange in a Refinery
A spool piece comprising of a three inch weld neck flange, a six inch by three inch eccentric reducer and a six inch weld neck flange, Figure 1, was submitted for failure analysis. The spool piece was installed on a Heavy Cut Naphtha line that operated at 380 Degrees F at 20 psig in a refinery. Naphtha leakage had been reported through this spool piece. The exact location of leak was not known.
27- Nov -2009
Failure Analysis of Diesel Engine Cylinder Liners
Three used cylinder liners identified by numbers 277, 1016 and 1076 were submitted for failure analysis. The liners were pitted on the outside surface. Liner 277 had a crack under the flange, additionally. An unused liner was also submitted for reference. The following mileage information was provided
27- Nov -2009
NDT of Rebar in Structural Slab
Ground Penetrating Radar (GPR) safely locates embedment within concrete structures prior to drilling, cutting or coring up to a depth of 18 inches. With the high-resolution antennae, even small targets are located within minutes. Only single sided access is required to perform surveys, and a large area can be inspected in one day. The compact data acquisition system provides clear and reliable data, while remaining user-friendly at the same time.
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