Ivalvu yebhola eline-flange yesiteji esiphakeme esijwayelekile saseMelika ngokujikeleza ibhola ukuze kufezeke ukuvulwa nokuvalwa kwesithambisi. Lapho ibhola lijikeleza ngo-90 degrees, isiteshi sokugeleza kwesithambisi sivulwa ngokuphelele noma sivalwe. Ngoba indawo yokubopha yevalvu yebhola imile endaweni yokugeleza kwesithambisi, inokumelana nokugeleza okuncane nokusebenza okuphezulu kokubopha.
Izici zesakhiwo
Idizayini yepulatifomu ephezulu: Ingxenye yomzimba wevalvu yamavalvu ebholayo enezimbobo ezisepulatifomu ephezulu yakhelwe ngokuvamile ipulatifomu ephezulu ukuze kube lula ukufaka nokukhipha ama-actuator (njengamadivayisi e-pneumatic, kagesi) noma izibambo zokuphatha ngesandla.
Ukuxhumana kwe-flange: Imiphetho yomibili yomzimba wevalvu ixhunywe nge-flange, elula ukuyixhuma nezinye izinto ze-flange ohlelweni lomapayipi futhi inokusebenza okuvikelekile kokubopha.
Isakhiwo sebhola elintantayo: Ibhola elingaphakathi kivalvu yebhola liyidizayini eyintantayo, futhi ibhola licindezelwa ngokuqinile endaweni yokubopha yesihlalo ngaphansi kwesenzo sokucindezela kwesithambisi ukuqinisekisa umphumela omuhle wokubopha.
Izinto zokubopha: Isihlalo nebholana ngokuvamile zenziwa ngensimbi engagqwali, i-PTFE noma ezinye izinto ezimelana nokugqwala ukuze zivumelane nezidingo zezithambisi ezahlukene.
