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“Harmonized” Gasket Testing

2004 
The last years there has been a great effort on research and development on gasket testing for bolted joints in Europe and in North America. In Europe, a new standard for the calculation of flanged joints (EN 1591) was developed by the Technical Committee TC 74 of the European Committee for Standardization (CEN). This standard requires gasket factors which must be determined in accordance to the testing standard EN 13555. In North America, the ASTM Committee F03 on Gaskets was established to implement PVRC developed gasket test procedures in the code. Since many companies are operating worldwide, there is an interest in “harmonized” gasket testing procedures to minimize the costs and to raise the effectivity of the tests performed. Several information exchange meetings on gasket constants and gasket testing have been held, and there have been many discussions concerning the difference between the European and the American test procedures. Up to now, only the test procedure for leakage tests has been “harmonized”. Although there are still some differences in detail, the European gasket constants as well as the PVRC parameter can be determined with the new definition of the test procedure, theoretically. In this paper some tests are evaluated in both ways, the results show some mismatch. More tests (with several gasket materials) are necessary to prove the reliability of this procedure.Copyright © 2004 by ASME
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