Gate Valve: Gate valve cu gate (gate plate) hmangin a kalnak lam ah a dir in a kalmi valve a si. A bik in pipelines ah medium thleidannak caah hman a si, ie, tling tein onmi asiloah tling tein kharmi. A tlangpi in, gate valve pawl cu a luan ning uknak caah aa tlak lo. Valve thilri cungah aa hngatmi lumnak niam le lumnak sang le hneknak hmannak caah hman khawh an si.
Sihmanhsehlaw, gate valves cu a tlangpi in slurry asiloah aa lo ngaimi thilri a phurtu pipeline ah hman a si lo.
A ṭhatnak:
Ti a doh khawhnak a tlawm.
Onnak le kharnak caah thazaang tlawm deuh a herh.
Lam hnih in a luangmi system ah hman khawh a si, cu nih cun a karlak kha lam pahnih in a luanter khawh.
A tling tein a on tikah, kharnak cunglei cu globe valve he tahchunh tikah riantuannak thilri in a rawk kho lo.
A sawhsawh tein sermi le thil sernak kalning ttha.
A tlawmmi sining sauhnak.
A chiatnak:
A ngan deuhmi a ngan deuhmi le chiahnak hmun a herh.
On le khar lio ah, a hlei in lumnak sang ah, kharnak cunglei karlak ah a tlawm deuhmi hnahnawhnak le rawhnak.
Gate valve pawl cu a tlangpi in kharnak hmun pahnih an ngei, cu nih cun riantuannak, cawhnak le zohkhenhnak ah harnak a karhter khawh.
On le khar caan sau deuh.
Butterfly Valve: Butterfly valve cu disc bantuk kharnak thilri hmangin degree 90 hrawng aa mer i on, khar le ti a luan ning a ukmi valve a si.
A ṭhatnak:
A sawhsawh mi dirhmun, a hmete, a rit lo, cun thilri hmannak a tlawm, cu nih cun a nganmi valve caah aa tlakter.
A tlawmmi luannak dohnak he rang tein on le khar.
A tlongmi a fekmi thil hme tete he media kha a tawlrel khawh i a kharnak cunglei thazaang cungah aa hngatmi powdery le granular media caah hman khawh a si.
Thli luhchuahnak le leidip hlohnak pipeline ah lam pahnih in onnak, kharnak le uknak caah aa tlak. Gas pipeline le ti lam caah thir sernak, thil hmete sernak, thazaang, le petrochemical system ah tam deuh in hman a si.
A chiatnak:
A tlawmmi luannak phunglam; valve cu 30% in a on tikah, a luannak rate cu 95% a lonh lai.
A sining le a kharnak thilri ah rikhiahnak a um caah a lin tukmi le a fakmi pipeline system caah aa tlak lo. A tlangpi in, 300°C tang le PN40 asiloah a tanglei ah rian a ttuan.
Ball valve le globe valve he tahchunh ahcun a ttha lo deuhmi kharnak riantuan ning, cucaah kharnak a herh tukmi hmannak caah a ttha lo.
Ball Valve: Ball valve cu plug valve in a chuakmi a si, cun a kharnak thilri cu a cunglei ah degree 90 aa mermi a sivalveonnak le kharnak hmuh khawhnak ding caah hram. Ball valve cu a bik in pipeline ah kharnak, phawtzamhnak le a luannak lei thlennak caah hman a si. V-bantuk a ongmi ball valve hna zong nih a luan ning ttha tein uk khawhnak an ngei.
A ṭhatnak:
A tlawmbik luannak doh khawhnak (zero tluk).
Riantuan lio ah aa hngat lo caah (thilri thuh loin) a rawkmi thilri le a lum tlawmmi ti ah zumhawktlak tein hman khawh a si.
A kau ngaimi hneknak le lumnak chung ah tling tein kharnak a tuah khawh.
A rangmi onnak le kharnak, thilri cheukhat cu 0.05 in 0.1 seconds tiang a tawimi onnak/kharnak caan an ngei, riantuan lio ah hnahnawhnak um loin hneksaknak tthutdan ah mah tein riantuan khawhnak system caah aa tlak.
Ball kharnak thilri he ramri dirhmun ah amah tein dirhmun chiahnak.
Riantuannak thilri kap hnih ah zumhawktlak tein kharnak.
A tling tein on asiloah khar tikah a rangmi media in kharnak cunglei hna a rawk lo.
A tlawmmi le a rit lomi dirhmun, cu nih cun lum tlawmmi media system caah aa tlak bikmi valve dirhmun a siter.
Aa tlukmi valve pum, a hlei in welded valve pum sining ah, pipeline in a chuakmi hnahnawhnak kha a tei khawh.
Kharnak thilri nih kharnak chung ah a sangmi hneknak aa dannak kha a tei khawh. A tlingmi ball valve pawl cu vawlei tang ah phum khawh an si, a chunglei thilri pawl an rawk lo ti kha a hngalhter, a tam bik kum 30 chung an hman khawh, cu nih cun oil le gas pipeline caah a ttha tukmi a siter hna.
A chiatnak:
Ball valve i a biapi bikmi kharnak kuang thilri cu polytetrafluoroethylene (PTFE) a si, cucu chemical vialte ah a cawl kho lomi a si i a tlawmmi hnahnawhnak coefficient, a fekmi riantuannak, tarnak a doh khawhnak, a kau ngaimi lumnak he aa tlakmi, le a ttha tukmi kharnak riantuannak tibantuk sining a ngei.
Sihmanhsehlaw, PTFE i a taksa sining hna, a kauhnak coefficient a sang deuhmi, a lummi luannak ah a tuar khawhnak le a ttha lomi lumnak a kalpi khawhnak hna nih, hi sining hna cungah hram bunh in tthutdan kharnak suaisam a herh. Cucaah, kharnak thilri a har tikah, kharnak thilri zumhawktlak sinak cu a rawk.
Cun, PTFE cu lumnak a doh khawhnak a niam i 180°C tang lawng ah hman khawh a si. Hi lumnak leng ahcun, kharnak thilri cu a tar lai. Caan sau hmannak ruah ahcun, 120°C cung ah hman a si tawn lo.
A uknak riantuan ning cu vawleicung valve nakin a niam deuh, a hlei in thli luhchuahnak valve (asiloah electric valve).
Globe Valve: A kharnak thilri (valve disc) nih tthutnak laifang ah a kalnak valve kha a chim duhmi a si. Tthutnak kuang aa dangmi cu valve disc a kalnak he aa tluk. Hi bantuk valve onnak le kharnak caan tawite le a zumhawktlakmi kharnak riantuannak ruangah, cun tthutnak kuang aa dangmi le valve disc kalnak karlak i aa tlukmi pehtlaihnak ruangah, a luan ning uknak caah aa tlak tuk. Cucaah, hi bantuk valve hi kharnak, uknak le thletnak caah hman a si tawn.
A ṭhatnak:
On le khar lio ah, valve disc le valve pum i a kharnak cunglei karlak i hnahnawhnak thazaang cu gate valve nakin a hme deuh, cu nih cun a rawk kho deuh.
A onnak sannak cu a tlangpi in tthutnak lam 1/4 lawng a si, cu nih cun gate valve nakin a hme deuh ngaingai.
A tlangpi in, valve pum le valve disc ah kharnak hmun pakhat lawng a um, cu nih cun ser le remh a fawiter.
A lumnak a tuar khawhnak a sang deuh, zeicahtiah a chiahnak cu a tlangpi in asbestos le graphite cawhmi a si. Globe valve cu steam valve caah hman tawnmi an si.
A chiatnak:
Valve chungin a luannak lam aa thlen caah, globe valve i a niam bik a luannak ralchanhnak cu a dang valve phun tam deuh nakin a sang deuh.
A sau deuhmi stroke ruangah, ball valve he tahchunh ahcun a onnak rangnak a tlawm deuh.
Plug Valve: Cylinder asiloah cone plug bantuk in kharnak thilri a ngeimi aa mer khomi valve kha a chim duhmi a si. Plug valve cung i a ummi valve plug cu valve pum cung i a ummi lam kha pehtlaih asiloah ṭhen awkah degree 90 in aa mer, cu nih cun valve onnak asiloah kharnak kha a tuah khawh. Valve plug a muisam cu a tlarimi asiloah a tlongmi a si kho. A phunglam cu ball valve he aa lo, cucu plug valve cung ah hram bunh in sermi a si i a bik in oilfield hmannak le petrochemical industry ah hman a si.
Himnak Valve: A tthawngmi tilawng, thilri, asiloah pipeline cung ah a fak tukmi kilvennak thilri ah rian a ttuan. Thilri, tilawng, asiloah pipeline chung i a ummi hneknak nih a onhmi man a lonh tikah, valve cu amah tein aa hun i a dihlak in a chuahter, cu nih cun hneknak a karhter ti lo. Pressure cu a langhtermi man tiang a tla tikah, thilri, tilawng, asiloah pipeline him tein riantuan khawhnak ding caah valve cu amah tein a khar colh awk a si.
Steam Trap: Steam, thli tlawmtermi le a dang thilri pawl phurhnak ah, ti a tlawmmi a chuak. Thilri hman ning le him tein riantuan khawhnak ding caah, thilri hmannak le hmannak kilven khawhnak ding caah hi santlai lo le tihnung media pawl hi a caan hmaan tein chuah a herh. A tanglei riantuannak hna a ngei: (1) A chuakmi ti lum kha rang tein a chuahter khawh. (2) Ti a luannak a kham. (3) A hloh.
Pressure Reducing Valve: A luhnak pressure kha a duhmi chuahnak pressure tiang remhnak in a zortertu valve a si i a chuahnak pressure a fekmi kha amah tein a kilven khawh nakhnga a chunglei thazaang cungah aa hngat.
Check Valve: A kir tthan lomi valve, hnulei luannak khamnak, hnulei thli luhchuahnak valve, asiloah lam khat lawng a kalmi valve tiah auhmi zong a si. Hi valve pawl cu pipeline chung i a ummi thilri a luannak nih a chuahtermi thazaang nih amah tein aa hun i a khar, cu nih cun amah tein a ummi valve phunkhat ah a ser hna. Check valve pawl cu pipeline system ah hman an si i an rian nganbik cu a tlawm deuhmi hnulei luannak khamnak, pump le mawngtu motor pawl an kirnak khamnak, le container media chuahternak hna an si. Check valves cu bawmtu system a petu pipelines zongah hman khawh a si i cuka ahcun a ritmi cu system pressure nakin a kai deuh kho. Annih cu a tlangpi in aa mer khomi phun (a hnuhnak hmun cung ah hram bunh in aa mer) le a cawimi phun (a tliknak lei ah aa chawkmi) tiah tthen khawh an si.
Post caan: Jun-03-2023
