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Paulin Research Group

Thick-walled flanged and flued expansion joint. Prepared for pressure fatigue analysis to support FEA calculation method included in 9th edition of TEMA standard.


Paulin Research Group

Markl Machine – used to fatigue test piping components.


Paulin Research Group

Close-up view of Markl machine hydraulic cylinder, base, clevis and Futek load cell. This ram, with, or without the base, can be positioned in a number of positions around the Markl machine to develop in plane or outplane loadings on specimens.


Paulin Research Group

Markl Machine loading ram and load cell.


Paulin Research Group

Stainless Steel Burst Test Specimen - 12”


Paulin Research Group

12” Stainless Steel burst test specimen. Note increased diameter of the shell due to pressure dilation before failure occurred. (Specimen viewed from back)


Paulin Research Group

Side view of stainless steel burst test specimen. 12” Schedule 40 pipe. Note pipe opening in upper left hand corner of figure.


Paulin Research Group

2.25” Diameter Stud Tubesheet Flange Tightening Simulation. Strain gages were used on the bolts to evaluate the efficiency and accuracy of hydraulic tensioners used for the project.


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