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Application filed by Entegris IncfiledCriticalEntegris Inc
Publication of MY137328ApublicationCriticalpatent/MY137328A/en
AN EXTENDED STROKE POPPET VALVE PARTICULARLY SUITED FOR HANDLING CAUSTIC FLUID AND HAVING FEATURES ENABLING AN EXTENDED SERVICE LIFE FOR THE VALVE. THE VALVE INCLUDES A TWO PART PRIMARY DIAPHRAGM ASSEMBLY WITH A WETTED DIAPHRAGM MADE FROM HIGHLY FATIGUE RESISTANT FLUOROPOLYMER MATERIAL, AND A DIAPHRAGM BACKER MADE FROM HIGH STRENGTH FLUOROPOLYMER MATERIAL DESIGNED TO WITHSTAND THE HIGH STRESS LOADS IMPOSED BY AN EXTENDED VALVE STROKE. THE COMBINATION OF THESE TWO LAYERS IN A SINGLE PRIMARY DIAPHRAGM ASSEMBLY YIELDS A HIGHLY DURABLE, CAUSTIC CHEMICAL RESISTANT, DIAPHRAGM CAPABLE OF USE IN A LONG STROKE POPPET VALVE AND HAVING A RELATIVELY LONG SERVICE LIFE.
MYPI200427412003-07-112004-07-09Extended stroke valve and diaphragm
MY137328A
(en)