KENT INTROL
SUPPORT

EMISSIONS
TESTING

ISO 15848, FOR EXAMPLE, DEFINES LEVELS OF PERMISSIBLE LEAKAGE FROM VARIOUS JOINTS AND PACKINGS.

TESTS USUALLY INVOLVE SUBJECTING THE VALVE TO CYCLIC TEMPERATURES WHILST PRESSURISED WITH HELIUM GAS.

THE VALVE STEM IS CYCLED THROUGHOUT AND THE RESULTANT GLAND LEAKAGE MONITORED.

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