Mah cubutterfly valvecu 1930s ah United States ah an rak ser. Japan ram ah 1950 hrawng in an rak luhpi i 1960 tiang Japan ram ah an rak hmang tuk lo. Ka ram ah 1970s tiang a lar lo. Butterfly valve hna i an sining bik cu: riantuannak thazaang tlawmte, chiahnak hmun tlawmte le a rit lomi hna an si. DN1000 kha tahchunhnak ah lak ahcun,butterfly valve2T hrawng a si, cu lio ahkutka valve3.5T hrawng a si. Mah cubutterfly valvemawtaw mawnghnak thilri phunphun he fonh a fawi i a fekmi le zumhawktlakmi a si. Rubber in kharmi butterfly valve hna i an chiatnak cu throttling caah hman tikah, hman ningcang lo ruangah cavitation a chuak lai i, rubber tthutdan cu a thleh lai i a rawk lai. Cucaah, zeitindah dik tein thim ding a si timi cu riantuannak dirhmun cungah aa hngat. Butterfly valve onnak le a luannak karlak pehtlaihnak cu a tlangpi in linear a si. A luan ning uk khawhnak caah hman a si ahcun, a luan ning sining zong cu pipe luannak doh khawhnak he aa pehtlai. Tahchunhnak ah, pipeline pahnih hna i an valve caliber le an muisam cu aa khat dih ko nain pipeline sunghnak coefficient aa dang ahcun, valve a luan ning zong aa dang tuk lai. Valve cu a nganmi throttling amplitude dirhmun ah a um ahcun, valve plate hnulei ah cavitation a chuak kho, cu nih cun valve kha a hrawh khawh. A tlangpi in 15° leng ah hman a si. Cu tikahbutterfly valvea laifang onnak ah a um, valve pum nih a sermi onnak muisam le butterfly plate hmailei donghnak cu valve shaft cung ah aa hngat, cun a kap hnih in dirhmun aa dangmi an ser. Butterfly plate hmailei donghnak cu khatlei ah ti a luannak lei ah aa chawk, cun a dang lei cu ti a luannak lei ah aa chawk. Cucaah, valve pum le valve plate nih khatlei ah nozzle bantuk a ongmi a ser, cun a dang lei cu throttle hole bantuk a ongmi he aa lo. Nozzle lei cu throttle lei nakin a rang deuhmi a luang, cun throttle lei valve tangah negative pressure a chuak lai i, rubber seal cu a tla tawn. Riantuannak thazaang cubutterfly valvea onnak aa dangmi le valve a onnak le a kharnak lam ruangah aa dang. Ti thuknak ruangah a cunglei le a tanglei ti lu, a hleiin a kau ngaimi valve, a cunglei le a tanglei ti lu karlak i aa dannak nih a chuahtermi torque cu ti thuknak ruangah a si. Cun, valve luhnak lei ah elbow chiah a si tikah, bias flow a chuak i, torque cu a karh lai. Valve cu a laifang ah a um tikah, ti a luannak torque riantuannak ruangah riantuannak thilri cu amah tein aa khar a hau.
China nih hin valve industry chain tampi a ngei, asinain valve power a si lo. A tlangpi in chim ahcun, ka ram cu vawleicung valve powers dirhmun ah a lut cang, asinain thilchuak tthatnak lei ahcun ka ram cu valve power sinak in a hlat rih. Mah chawlehnak nih hin thilchuah tlawmte lawng a ngei rih, thil man sang he aa tlakmi valve pawl R&D tuah khawhnak a tlawm rih, cun valve industry ah sernak thiamnak tlawmte lawng a ngei rih, cun ramdang in luhternak le ramdang kuatnak chawlehnak tlamtlinlonak cu a karh chin lengmang. Market ah a nung kho taktakmi valve company an tam tuk lo ti cu a fiang ko. Sihmanhsehlaw, hi valve industry ah a rang tukmi hnahnawhnak nih hin caantha tampi a chuahpi lai, cun hnahnawhnak nih a chuahpimi nih hin market riantuannak kha a ttha deuhmi a siter lai. A sangmi valve pawl hmunkhat ah chiah khawhnak lam cu a “a tlik” tuk. A hrampi thilri hna cu ka ram thilri sernak riantuannak tthanchonak kha a sangbik tiang a khamtu tlamtlinlonak ah an cang. Kum Nga Timhtuahnak 12nak chung ah, cozah nih thilri man sang pawl kha hmunkhat ah chiahnak kha a karhter peng lai. Hika ah hin “Tuahsernak Timhtuahnak” le aiawhtu valve industry hna ah a biapi mi tthanchonak cheukhat kha ramdang in luhtermi thlennak tuah khawhnak hlathlainak caah kan thim. Hlathlainak in, sub-industry phunphun ah valve pawl ramdang in luhpi in thlennak tuah khawhnak cu aa dang tuk ti kha hmuh khawh a si, cun a sangmi valve pawl nih a rannak in phunglam lamhruainak le scientific hlathlainak bawmhnak tam deuh an herh.
Ramchung sipuazi thanchonak ah thilri sernak industry ah a biapi tukmi pehtlaihnak pakhat in valve industry nih a biapi tukmi rian a ttuan. Ka ram chung valve sernak riantuannak dirhmun cu ramkip tthanchonak tthanchonak he aa hlat rih caah, a biapimi tampivalvesa sangmi tahfung, a sangmi lumnak le a sangmi hneknak, le a sangmi pound level hna cu ramdang thilri cungah an i hngatchan zungzal. Tahchunhnak ah, European OMAL brand cu ramchung valve hmannak industry ah a biapi bikmi thimnak a si zungzal. Valve pawl hmunhma thlennak thanchoternak caah, Ramkomh Council nih “Thilri Sernak Industry Thazaang Peknak Ruahnak Cheukhat” a chuah hnu ah, aa pehtlaimi ramkulh zung hna nih thilri ngan pipi hmunhma sernak caah ramkulh nih a herhmi ningin riantuannak nganpi an tuah. Ramkomh Tthanchonak le Remhthannak Commission hruainak in, Tuluk Sehzung Sehzung Bu le Tuluk Sehzung Sehzung Bu nih an thlah i an servalveaa pehtlaimi riantuannak ah thilri ngan deuh pawl caah hmunhma thlennak timhtuahnak, le aa pehtlaimi zung hna he voi tampi pehtlaihnak an tuah cang. Atu cu valve pawl umnak hmun nih ramchung valve industry ah lungtlinnak a ser cang. Thilri suaisamnak caah ramkip phunglam kha fakpi in cohlan; ramdang in a ttha ngaimi suaisamnak sining (patented thiamnak hna telh chih in) lak; thilri hneksaknak le riantuan ning zohfelnak cu ramkip phunglam ningin fek tein tuah a si; ramdang thilchuah ningcang hmuhtonnak lak i thilri thar hlathlainak le thanchonak ah biapi ah chiah; ramdang in luhpi mi a sangmi parameter valve thilri hna i thiamnak lei parameters le riantuan ningcang hna kha fianternak, tbk. hna cu hmunhma thlennak kalning kha rang deuh in tuah khawhnak lam, valve thilri hna i pehzulh tein tharchuahnak kha thanchoternak le valve hna i hmunhma thlennak kha tling tein hngalh khawhnak lam an si. Valve industry ah remhthannak a rang chin lengmang caah, hmailei industry cu valve thilri tthatnak le himnak le thilri phun hna karlak ah zuamnak a si lai. Thilri pawl cu thiamnak sang, tahfung sang, rawhnak doh khawhnak a fekmi le nun saunak lei ah an tthancho lai. Pehzulh tein thiamnak lei thlennak, thil thar sernak le thiamnak lei thlennak thawng lawnglawng in thilri thiamnak tlukruannak cu ramchung thilri he aa tlakmi le valve pawl hmunhma tling tein hngalh khawhnak ding caah zaangfah tein tthanchoter khawh a si. A herh tukmi pawngkam tangah, ka ram i valve sernak riantuannak nih tthanchonak ruahchannak a ttha deuhmi a langhter hrimhrim lai.
Post caan: Nov-02-2024
