Kutka valvehmannak phunphun a ngeimi a tlangpi in hmanmi valve a si. Ti kilvennak, thir sernak le a dang riantuannak ah hman bik a si. A riantuan ning a kau ngaimi cu market nih a cohlan cang. Gate valve kong hlathlainak lengah, hmannak le buainak tawlrelnak kong zongah a biapi deuhmi le ttha tein hlathlainak a tuahkutka valve hna.
A tanglei ah hin a dirhmun, hmannak, buainak tawlrelnak, tthatnak zohfelnak le a dangdang kong ceihmainak a umkutka valves.
1. Dirhmun
A sining cukutka valve: mah cukutka valvecu onnak le kharnak uk khawhnak ding caah gate plate le valve tthutnak a hmangmi valve a si.Kutka valvea bik in valve pum, valve tthutnak, gate plate, valve stem, bonnet, stuffing box, packing gland, stem nut, handwheel le a dangdang hna an i tel. Kutka le valve tthutnak karlak i aa pehtlaimi dirhmun thlennak cungah aa hngatmi, channel ngan le hme cu thlen khawh a si i channel cu tan khawh a si. tuah khawhnak dingahkutka valvefek tein khar, gate plate le valve tthutnak i aa pehtlaimi cunglei cu vawlei ah a um.
A phunphun in a sining ning inkutka valves, gate valve pawl cu wedge phun le parallel phun ah tthen khawh an si.
Wedge kutka cukutka valvecu wedge-shaped a si, cun kharnak cunglei nih channel laifang line he aa tlukmi angle a ser, cun gate le valve tthutnak karlak i wedge cu kharnak (kharnak) hmuh khawhnak caah hman a si. Wedge plate cu ram pakhat asiloah ram pahnih a si kho.
Parallel gate valve i a kharnak cunglei hna cu pakhat le pakhat aa tluk i channel laifang line he aa tlakmi an si, cun phun hnih an um: kauhnak mechanism he le kauhnak mechanism ngei loin. A karh khawhnak lam a ngeimi tuufa pahnih an um. Ram pawl an ṭum tikah, aa tlukmi ram pahnih hna i an i tthennak nih a luannak lam kha kham awkah valve ṭhutdan cung i a ummi ram pahnih kha a tliknak hmun ah a phawt hna lai. Tuufa pawl an hung kai i an hun tikah, a tthencheunak le kutka hna cu aa tlakmi tthen cu aa tthen, kutka tthen cu a sangnak pakhatkhat tiang a kai, cun tthen cu kutka tthen cung i bawi nih a dirpi. Kauh khawhnak thilri a ngei lomi kutka pahnih, kutka cu aa tlukmi tthutnak pahnih cung ah valve tthutnak chungah a tlik tikah, ti tthawnnak kha valve chuahnak lei ah valve pum he gate kha hren awkah hman a si i ti kha khar a si.
Kutka an on le an khar tikah valve stem a cawlcangh ning ning in, gate valve cu phun hnih ah tthen a si: a kai cuahmahmi stem gate valve le a thuhmi stem gate valve. A kai cuahmahmi stem gate valve i a ummi valve stem le gate plate cu a on asiloah a khar tikah caankhatte ah an kai i an tla; a thuhmi stem gate valve cu an on asiloah an khar tikah, valve stem cu aa mer lawng a si, cun valve stem a kai ning cu hmuh khawh a si lo, cun valve plate cu a kai asiloah a tla. A kai cuahmahmi stem gate valve ṭhatnak cu, channel onnak sannak cu valve stem a kai cuahmahmi sannak in tuak khawh a si, asinain a lakmi sannak cu tawiter khawh a si. Kutdonghrolh asiloah kutdonghrolh he na i ton tikah, kutdonghrolh asiloah kutdonghrolh kha suimilam lei hoih in mer law valve kha khar.
2. Gate valve hna i an caan le thimnak phunglam hna
01. Flatkutka valve
Slab gate valve hmannak caan:
(1) Oil le natural gas pipeline caah, thlennak khur a ngeimi flat gate valve zong pipeline thianh a fawi.
(2) Chiti thianhmi caah pipeline le chiahnak thilri.
(3) Oil le natural gas caah hmanmi tilawng dinhnak thilri hna.
(4) A tlongmi thil hme tete media he pipelines.
(5) Khuapi gas kuatnak pipeline.
(6) Ti riantuannak.
Slab thimnak phunglamkutka valve:
(1) Oil le natural gas pipeline caah, single asiloah double slab hmangkutka valves. Pipeline thianh a herh ahcun, thlennak khur aa ongmi thinghnah a tlawmmi kutka valve he kutka pakhat lawng hmang.
(2) Thianhhlimhnak hriak phurhnak pipeline le chiahnak thilri caah, ram pakhat lawng a ngeimi asiloah ram pahnih a ngeimi flat gate valve kha a dang lam thlennak khur um loin thim a si.
(3) Oil le natural gas chuahnak tilawng dinhnak caah, kutka pakhat asiloah kutka pahnih a ngeimi kutka valve pawl cu a thupmi rod a luangmi tthutdan le thlennak khur hna he thim an si.
(4) A tlongmi thil hme tete a ngeimi pipeline caah, namte bantuk a simi slab gate valve pawl kha thim an si.
(5) Khuapi chung gas kuatnak pipeline caah, kutka pakhat asiloah kutka pahnih a nemmi in kharmi a kai mi rod flat gate valve hmang.
(6) Tap ti riantuannak caah, kutka pakhat asiloah kutka pahnih kutka valve pawl kha a ongmi fung he aa dangmi khur um loin thim an si.
02. Wedge gate valve
Wedge gate valve hman khawhnak caan: Valve phunphun lakah, gate valve cu a tam bik hmanmi a si. A tlangpi in a tlingmi onnak asiloah a tlingmi kharnak caah lawng aa tlak, cun uknak le throttling caah hman khawh a si lo.
Wedge gate valve pawl cu a tlangpi in valve lenglei tahfung ah fek tein a herhmi a um lonak hmun ah hman an si, cun riantuannak thil sining zong a har ngai. Tahchunhnak ah, lumnak le hneknak sang a ngeimi riantuannak thilri nih caan saupi khar khawhnak ding caah kharnak thilri pawl a herh, tbk.
A tlangpi in, riantuannak dirhmun asiloah a herhmi zumhawktlak kharnak riantuan ning, a sangmi hneknak, a sangmi hneknak cut-off (pressure thleidannak nganpi), a niammi pressure cut-off (pressure thleidannak hmete), aw-an tlawm, cavitation le vaporization, a sangmi lumnak karlak, a niammi lumnak (cryogenic), Wedge gate valve hman ding in ruahnak cheuh a si. Khuapi saknak, chemical sernak le a dangdang ah mei thazaang chuahnak, chiti cawhnak, petrochemical sernak, rili kam chiti, ti chuahnak engineering le ti thianhnak engineering tibantuk hna cu tampi hman an si.
Thimnak phunglam:
(1) Valve ti sining caah a herhmi. Gate valves cu riantuannak dirhmun caah thim an si i, a tlawmmi a luan khawhnak, a tthawngmi a luan khawhnak, a ttha mi a luan khawhnak, le a fekmi kharnak a herh.
(2) A lin tukmi le a fakmi thlihrannak. Cu hna cu a fakmi meikhu, a sangmi lum le a sangmi chiti hna an si.
(3) A niam mi lumnak (cryogenic) thilri. Ti ammonia, ti hydrogen, ti oxygen le a dang media tibantuk hna.
(4) A tlawmmi hneknak le a nganmi diameter. Ti riantuannak, ti thianhnak riantuannak tibantuk.
(5) Chiahnak hmun: Chiahnak sannak a tlawm tikah, a thuhmi stem wedge gate valve kha thim; a sannak kha kham a si lo tikah, a langmi stem wedge gate valve kha thim.
(6) Wedge gate valves cu a tlingmi onnak asiloah a tlingmi kharnak ca lawngah hman khawh a si tikah lawng hman khawh a si, cun remhnak le throttling caah hman khawh a si lo.
3. A tlangpi in palhnak le zohkhenhnak
01. A tlangpi in palhnak le a ruangkutka valves
Cu hnu ahkutka valvehman a si, a tlawm deuhmi lumnak, hneknak, rawhnak le aa pehtlaimi thilri phunphun i aa pehtlaimi cawlcanghnak ruangah, a tanglei buaibainak hna hi a chuak tawn.
(1) A luannak: Phun hnih a um, cu hna cu lenglei a luannak le chunglei a luannak an si. Valve lenglei ah a luangmi cu lenglei a luangmi tiah auh a si, cun lenglei a luangmi cu thilri chiahnak bawm le flange pehtlaihnak ah hmuh tawn a si.
Thil chiahnak bawm a luannak a ruang: thilri phun asiloah a tthatnak nih a herhmi a tlinh lo; a chung thilri cu a tar cang asiloah valve stem cu a rawk cang; thilri chiahnak thlihran cu a tthawng; valve stem cunglei cu a hliah.
Flange pehtlaihnak ah a luannak a ruang: Gasket thilri asiloah a ngan ning nih a herhmi a tlinh lo; flange kharnak cunglei riantuannak tthatnak cu a ttha lo; pehtlaihnak hri pawl cu ttha tein an i hren lo; pipeline dirhmun cu aa tlak lo, cun pehtlaihnak ah a hlei in thilrit a chuak.
Valve chunglei a luannak a ruang: Valve kharnak a tlawm ruangah a chuakmi luannak cu chunglei a luannak a si, cucu valve kharnak cunglei asiloah kharnak kuang hram a rawhnak ruangah a chuakmi a si.
(1) Rawhnak cu valve pum, bonnet, valve stem le flange kharnak cunglei rawhnak a si tawn. Rawkralnak cu a bik in thilri nih a tuahmi thil ruangah a si, cun fillers le gaskets in ions chuahnak ruangah a si.
(2) Hliamhma: kutka le valve tthutnak cu pehtlaihnak hneknak pakhatkhat tangah pakhat le pakhat an i chawk tikah a chuakmi a cunglei a tlongmi asiloah a thlehmi.
02. Zohkhenhnakkutka valve
(1) Valve lenglei a chuakmi remhnak
Packing kha hmeh tikah, gland bolt pawl kha aa tluk tein chiah a hau, cu nih cun gland kha a tlik lonak hnga le a tlawmternak caah hmunhma a umter awk a si. Packing kha hmeh lio ah, valve stem pawngkam i packing kha aa khatmi siter awkah valve stem kha thlen a hau, cun pressure kha a tthawng tuk lo nakhnga, valve stem i mernak kha a hnorsuan lo nakhnga, packing cung i a rawhnak kha a karhter lo nakhnga le riantuannak caan kha a tawiter awk a si. Valve stem cunglei cu a hliah, cu nih cun medium cu a chuahter fawi. Hman hlanah valve stem cunglei ah a ummi hliamhma pawl hloh khawhnak ding caah tuah a hau.
Flange pehtlaihnak ah a luangmi caah, gasket a rawh ahcun, thlen a hau; gasket thilri cu ningcang loin thim a si ahcun, hmannak a herhmi a tlinh khomi thilri kha thim ding a si; flange kharnak cunglei riantuannak tthatnak a ttha lo ahcun, lak i remh a hau. Flange kharnak cunglei cu aa tlak hlan tiang remh ṭhan a si.
Cun, flange bolt pawl kha ttha tein hren, pipeline pawl kha a dikthliar in chiah, le flange pehtlaihnak ah thilrit tam tuk hrialnak hna nih hin flange pehtlaihnak ah a luannak khamnak caah a bawmh.
(2) Valve chunglei a luangmi remhnak
A chunglei a luangmi remhnak cu kharnak cunglei rawhnak le kharnak kuang a tlawmmi hram kha hloh ding a si (kharnak kuang cu valve plate asiloah ṭhutdan cungah hmeh asiloah hri in hren tikah). A kharnak cunglei cu valve pum le valve plate cungah direct in tuah a si ahcun, a tthawng lomi hram le a luangmi kongah buainak a um lo.
Kharnak cunglei cu fakpi in a rawh i kharnak cunglei cu kharnak kuang nih a ser tikah, kuang hlun kha hloh a hau i kharnak kuang thar pek a hau; kharnak cunglei cu valve pum cung ah direct in tuah a si ahcun, a rawkmi kharnak cunglei kha hloh hmasa a hau. Hlonh law, cun kharnak kuang thar asiloah thlenmi cunglei kha kharnak cunglei thar ah cawh. Sealing cunglei ah a ummi hliamhma, tliknak, tliknak, tliknak le a dang tlamtlinlonak hna cu 0.05mm nak tlawm deuh an si tikah, hnahnawhnak in hloh khawh an si.
Sealing ring hram ah a luangmi a chuak. Sealing ring cu hmehnak in remh a si tikah, tetrafluoroethylene tape asiloah a rangmi rong kha a cung ah chiahvalvetthutnak asiloah kharnak kuang i a tanglei ah, cun kharnak kuang hram kha khahter awkah kharnak kuang kha hmet; Sealing ring cu hri in hren a si tikah, hri karlak ah ti a luan lonak hnga hri karlak ah PTFE tape asiloah a rangmi rong thuk kha chiah a hau.
(3) Valve rawhnak remhnak
A ttha mi thil sining ahcun, valve pum le a lukhuh cu aa khat tein a rawk, cu lio ah valve hram cu a rawk tawn. Remh tikah, a rawkmi thilri pawl kha hloh hmasa a hau. Pitting pits a ngeimi valve stem caah cun, a ttumchuknak hloh khawhnak ding caah lathe ah tuah ding a si, cun a tlawmpal in a chuakmi thilri aa telmi filler hman ding a si, asiloah valve stem caah tihnung a simi filler kha hloh khawhnak ding caah filler kha ti thiang tein thianh ding a si. a rawkmi ions.
(4) A kharnak cunglei ah a ummi hma remhnak
Valve hman lio ah, kharnak cunglei kha a rawk lo nakhnga kham i zuam, cun valve khar tikah torque cu a ngan tuk awk a si lo. A kharnak cunglei cu a rawk ahcun, cawh in hlonh khawh a si.
4. Hmuh khawhnakkutka valve
A tu lio chawlehnak pawngkam le hmantu herhmi ah, thirkutka valvesa tam deuh an si. Thilri tthatnak zohfeltu pakhat na si bantukin, thilri tthatnak zohfelnak he aa pehtlaimi na si pin ah, thilri kong zong ttha tein na hngalhthiam a hau.
01. Thir hmuh khawhnak hrampikutka valve
Thirkutka valvesram pumpi phunglam GB/T12232-2005 “Flanged iron” cung ah hram bunh in hneksak an sikutka valvesa tlangpi valve caah”.
02. Thir thilri zohfelnakkutka valve
A bik in aa telmi cu: hmelchunhnak, a tlawmbik vampang a thuhnak, hneknak hneksaknak, hneknak hneksaknak, tbk. Cu hna lakah, vampang thuhnak, hneknak, le hrolh hneksaknak cu a herhmi zohfelnak thilri le a biapimi thilri an si. Aa tlak lomi thilri an um ahcun, aa tlak lomi thilri tiah direct in biaceih khawh an si.
A tawinak in chim ahcun, thilri tthatnak zohfelnak cu thilri zohfelnak dihlak ah a biapi bikmi a si, cun a biapitnak cu amah tein a fiang. Hmailei zohfelnak riantuantu pakhat dirhmun in, thilri zohfelnak ah rian ttha ttuan lawng si loin, zohfelnak rian ttha deuh kan ttuan khawhnak ding caah kanmah le kanmah kan tthatnak kha kan fehter peng a hau.
Post caan: Mar-31-2023
