Mah cuwafer dual plate check valvecu zong cu aa mer khomi riantuannak he check valve phunkhat a si, asinain a pahnih in a ummi disc a si i spring riantuannak tangah a khar. Disc cu a tanglei in a cunglei ti nih a hun, valve cu a sawhsawh tein a um, clamp cu flange pahnih karlak ah chiah a si, cun a hmete le a rit lo.
Mah cuwafer dual plate check valvevalve bore cung ah ribbed shaft cung ah chiahmi spring-loaded D-shaped disc pahnih a ngei. Hi dirhmun nih hin disc i a ritnak hmun a kalnak lam kha a tawiter. Hi sernak nih hin aa khatmi disc pakhat lawng aa thlenmi check valve he tahchunh tikah disc ritnak zong 50% in a zorter. Spring load ruangah, valve nih a luan tthan tikah rang tukin a lehrulh.
Wafer dual plate check valve's double-lobe a rit lomi sernak nih tthutdan kharnak le riantuannak kha a ttha deuh in a tuah.
Double butterfly i a kut saumi tthawnnak cawlcanghnakcheck valvetthutdan hnimh loin disc kha on le khar khawhnak a tuah, cun spring nih disc (DN150 le a cunglei) kha khar awkah amah tein rian a ttuan.
Double-flap butterfly i a hngawng aa hngatmi dirkamhnak angkicheck valvea dang disc (a ngan deuhmi) in a chuah tikah hnahnawhnak a zorter i ti hammer kha a zorter.
A hlan bantuk he tahchunh ahcunthlennak check valves,wafer dual plate check valvesaknak cu a tlangpi in a fek deuh, a rit deuh, a hme deuh, a ttha deuh, cun a man a fawi deuh. Hi valve nih hin API 594 phunglam a tlinh, diameter tam deuh caah cun, hi valve i hmaitonh in a ngan ning cu a hlan valve 1/4 lawng a si, cun a ritnak cu a hlan valve 15%~20% a si, cucaah swing check valve nakin a man a fawi deuh. Cun a tlarimi gaskets le pipe flanges karlak ah chiah a fawi deuh. Zeicatiah hman a fawi i flange pehtlaihnak hri pakhat lawng a herh caah, chiah lio ah thilri pawl zong a khamh, chiah man le nifatin zohkhenhnak man a khamh.
Double-flap butterfly check valve zong nih a hleiin sernak sining a ngei i mah nih hin hi valve hi a ttha ngaimi hnahnawhnak a chuahter lomi check valve a siter. Hi thilri hna ah hin a thiang lomi onnak, a tam deuh bore valve caah aa hngatmi spring sernak, le aa hngat lomi disc dirkamhnak system hna an i tel. Hi thilri cheukhat cu check valve he an um lo. Wafer dual plate check valve cu lugs, double flanges le a kauhmi pum he zong suai khawh a si.
Pakhatnak ah, onnak le kharnak kalning
Double-disc sernak nih hin spring-loaded disc pahnih (semi-disc) a langhter i cu cu a laifang ah a dirmi hri in aa hrenmi a si. Ti cu a luang hram aa thawk tikah, disc cu a chuakmi thazaang (F) he aa hun i kharnak cunglei laifang ah rian a ttuan. A dohtu spring dirkamhnak thazaang (FS) cu disc hmai laifang lenglei hmun ah hman a si, cu nih cun disc hram kha a hun hmasa. Mah nih hin a hlun deuhmi hmanmi valve ah disc an on tikah a chuakmi kharnak cunglei ah a chuakmi hnahnawhnak kha a hrial, thilri hna cung i rawhnak le rawhnak kha a hloh.
A luan ning a zor tikah, torsion spring nih amah tein a lehrulh, cu nih cun disc kha a khar i pum tthutnak pawng ah a kalter, cu nih cun kalnak lam le khar caan a zorter. Ti cu a hnulei ah a luang tikah, disc cu zaangfah tein pum tthutnak he aa naih deuh, cun valve i a tthawngmi lehrulhnak cu a rang ngaingai, ti hriamnam nih a chuahpimi thil kha a zorter i hnahnawhnak um loin riantuan khawhnak a hmuh.
Khar tikah, spring force action point riantuannak nih disc cunglei kha a khar hmasa, disc hram ah hrocernak le hnahnawhnak a kham, cucaah valve nih caan saupi chung seal a fekmi a kilven khawh.
2. Aa hngat lomi hri dirhmun
Spring sernak (DN150 le a cunglei) nih disc pakhat cio ah thazaang tam deuh pek khawhnak a pek i disc cu riantuannak a luan ning aa thlen tikah amah tein aa khar. Hneksaknak nih a langhter ning ahcun hi thil nih hin valve nunnak 25% a karhter i ti hammer 50% a zorter.
Double disc tthen pakhat cio nih amah tein kharnak thazaang a pemi amah tein a ummi hri a ngei i a tlawm deuhmi angular offset 140° (fig. 3) ah a um i, a tlangpi in hmanmi hri pahnih a ngeimi 350° si loin.
3. Aa hngat lomi disc hrennak sining
Aa hngat lomi hri dirhmun nih 66% in hnahnawhnak a zorter, cu nih cun valve a lehrulhnak kha tampi in a tthanchoter. Valve riantuan lio ah a cunglei hri cu a tanglei hri nih amah tein a dirpi khawh nakhnga bawmtu hri cu lenglei hri in khumh a si. Mah nih cun disc pahnih kha rang tein a lehrulh khawh hna i caankhat te ah a khar khawh hna, cu nih cun a ttha tukmi thlennak riantuannak a hmuhter hna.
Palinak ah, pipeline he pehtlaihnak lam
Wafer dual plate check valvescun pipe pawl cu hrennak, lugs, flanges, le clamps hna he pehtlaih khawh an si.
A dang theihhngalhnak caah kan website kha hmet khawh a siButterfly Valve, TWS Valve nih a ukmi luannak (tws-valve.com)
Post caan: Oct-24-2024
