Flangedli-valve tsa hekeke mofuta oa li-valve tsa heke tse hokahaneng ka li-flanges. Haholo-holo li bula le ho koala ka mokhoa o otlolohileng oa heke haufi le bohareng ba tselana 'me li sebelisoa haholo ho laola ho koala ha tsamaiso ea liphaephe.

(Setšoantšo:Carbon steel flanged heke valveDN65)

Mefuta ea eona e ka aroloa ka mekhahlelo e 'meli ho latela litšoaneleho tsa sebopeho: ho latela mokhoa oa ho sisinyeha ha kutu ea heke, ho na le kutu e pepesitsoeng le mefuta e patiloeng. Ha valve e bulehileng ea tšepe ea tšepe e buloa kapa e koetsoe, kutu e tsoela ka ntle ho sekoahelo sa valve, e leng se lumellang ho shebella ka ho toba tekanyo ea ho bula. E loketse maemo a hlokang tlhahlobo ea nako ea nnete, joalo ka phepelo ea metsi ea masepala le liteishene tsa ho pompa metsi. The kutu ea patiloeng stem heke valve handwheel ha e fetele ka nģ'ane ho sekoahelo sa valve. E na le sebopeho se kopaneng 'me e loketse liketsahalo tse thibelang sebaka joalo ka lipeipi tsa ka tlas'a lefatše Wells le limela tsa lik'hemik'hale tse nang le lisebelisoa tse teteaneng. Ho ea ka sebopeho sa poleiti ea heke, ho na le mofuta oa wedge le mofuta o tšoanang. Letlapa la heke la wedge le bōpehile ka makhakhapha, le na le tiiso e tiileng, 'me le loketse maemo a ho sebetsa a mahareng le a khatello e phahameng (PN1.6~16MPa). Har'a tsona, sekoti sa heke se rekere se ka lefella lekhalo la mocheso 'me hangata se sebelisoa liphaepheng tsa lipalangoang tsa mouoane le oli e chesang. Lipoleiti tsa liheke tse tšoanang li na le mahlakore a mabeli a tšoanang 'me li tiisitsoe ke khatello ea seaplane. Li sebelisoa haholo maemong a khatello e tlase le ea bophara bo boholo ka bophara ba DN300 kapa ho feta, joalo ka liphaephe tse kholo tsa phepelo ea metsi. Li na le khanyetso e tlase ea ho bula le ho koala 'me e loketse ho sebetsa khafetsa.

Ts'ebetsong, ka lebaka la botsitso bo hlahelletseng le ts'ebetso e khaotsoeng ea likhokahano tsa flange, li sebelisoa haholo liindastering tse ngata: mofuta oa molamu o patiloeng kapa mofuta o tšoanang oa poleiti ea heke e sebelisoa hangata ho phepelo ea metsi le drainage ea masepala le meaho, hammoho le lipeipi tsa ts'ireletso ea mollo. Indastering ea petrochemical, li-valve tsa heke ea wedge stem hangata li sebelisoa liphaepheng tsa lipalangoang tsa oli e tala le lihlahisoa tsa oli e hloekisitsoeng tlas'a maemo a khatello e phahameng. Lefapheng la matla le matla, li-valve tsa heke tsa rekere tse nang le mocheso o matla oa ho hanyetsa hangata li khethoa bakeng sa lipeipi tsa metsi a pholileng a setsi sa motlakase le lipeipi tsa mouoane oa boiler. Li-valve tsa liheke tse tsamaeang ka khatello e tlase tse hanyetsanang ka matla ho litšila li loketse metsi a litšila a indasteri le tsamaiso ea metsi a potolohang ka metallurgy le kalafo ea metsi. Ha ho etsoa khetho, khatello, sebaka le litšobotsi tse bohareng li lokela ho nkoa. Ts'ebetso ea eona e tšepahalang e etsa hore e be karolo ea mantlha ea taolo ea lipeipi liindastering tse fapaneng.

Khetho ea mofuta oa li-valve tsa heke ea flanged e hloka ho ela hloko khatello, sebaka le litšobotsi tse mahareng. Ts'ebetso ea eona e tšepahalang ea ho koala e etsa hore e be karolo ea taolo ea mantlha lits'ebetsong tsa lipeipi tsa liindasteri tse fapaneng. Haeba u na le litlhoko tse amanang le tsona, ka kopo ikopanye le rona ka tlase. Joaloka moetsi oa li-valve tsa heke ea Indasteri ea lilemo li 20, Jinbin Valve e u fa litharollo tsa litsebi.