Saygate valveet sakey a kaslakan a kaslakan a balbula a walaan na nanduruman usar. Saya so manunan uusaren ed panagpreserba na danum, metalurhiya tan arum niran industriya. Say malaknab ya pangusar to et nabidbirzed na merkado. Diad dakel a taon na kalidad tan teknikal a panangasikaso tan panagsukimat, say autor et aglabat nanggawa na pigaran panagsukimat nipaakar ed pakadetektaan na gate valve, noagta ontan met ed pangusar ed gate valve, nanggawa ak na mas maalwar tan maalwar a panagsukimat
Say onggendan et sakey a pangkabilugan a diskusyon nipaakar ed istruktura, usar, panagresolbe na problema, panagsukimat ed kalidad tan arum niran aspekto na gate valve.
Sakey ya istruktura
Say istruktura nagate valve: Saygate valveet sakey abalbulaya manguusar na gate plate tan say yurongan na balbula pian nakontrol so panlukas tan pansara. Saygate valvemanunan tugyopen na laman na balbula, yurongan na balbula, plato na gate, sanga na balbula, sakbong na balbula, sulat na panag-impake, sakbong na presyon na panag-impake, nut na sanga na balbula, lima-pilid, tan arum nira. Depende ed panguman na posisyon na gate tan say yurongan na balbula, nayarin umanen so kabaleg na kanal tan nayarin putoten so kanal. Pian nasaraan a maong so gate valve, say gate plate tan say valve seat et i-ground.
Base ed nanduruman kurti na istruktura na gate valve, say gate valve et nayarin naapag ed duaran kategorya: wedge tan parallel.
Say gate plate na wedge gate valve et walad kurti, tan say sealing surface et aka-inclin ed sentro na channel. Say wedge ed baetan na gate plate tan say yurongan na balbula et uusaren ya pangiseal (pansara). Say wedge plate et nayarin saksakey a puerta odino duaran puerta.
Say sealing surface na parallel gate valve et parallel ed balang sakey tan perpendikular ed sentro na channel. Naapag iya ed duaran klase: sakey ya lukas a mekanismo tan sakey ya ag-lukas a mekanismo. Walay doblin puerta ya walay lukas ya mekanismo. No onleksab so gate, saray wedge na duaran parallel gate so onsuporta ed duaran gate ed valve seat diad slope tan putoten day flow channel. No ontagey tan onlukas so puerta, say pala tan say puerta ya mikokoopera ed puerta et mansian, say puerta et ontagey ed sakey a katagey, tan say wedge et naala na con. Say doblin puerta ya plato ya anggapoy lukas a mekanismo. No say gate plate et onloob ed valve seat diad duaran parallel ya valve seat surfaces, say pressure na fluid et usaren pian i-press so gate plate ed valve body diad valve outlet side pian naseal so fluid.
Base ed nanduruman galaw na valve stem no nalukasan tan nasara so gate, say gate valve et naapag ed duaran kategorya: open-bar gate valve tan dark-bar gate valve. No nalukasan o nasara so valve stem tan gate plate na open-bar gate valve, mankakasakey iran ontagey tan onleksab; no nalukasan o nasara so dark-bar gate valve, say valve stem et ipawil labat, ag nanengneng so itagey tan ipelag na valve stem, tan say valve plate et ontagey o onleksab. Say bentaha na open-bar gate valve et sarag ton husgaan so katagey na lukas na kanal diad panamegley na itatagey na katagey na valve stem, balet sarag ton paabebaen so katagey na panag-ala. No akaarap ed lima-pilid o panangawit, ibalikas so lima-say pilid odino panangawit et akaarap ed relo, tan say balbula et akasara.
Say okasyon tan prinsipyo na panagpili na pangusar ed komaduan gate valve:
01 flatgate valve
Pangusar na flat gate valve:
(1) Saray tubo na oil tan natural gas transmission, saray flat gate valve ya walay diversion holes et kombeniente met parad panaglinis na tubo.
(2) Saray tubo na transmisyon tan kagawaan ed panagsimpenan na pino ya larak.
(3) Saray kagawaan ed pantalan na panag-ala na langis tan natural gas.
(4) Saray tubo ya walay akabitin ya partikulo na media.
(5) Urban gas transmission pipeline.
(6) Proyekto na suplay na danum.
Prinsipyo na pampili na flat gate valve:
(1) Parad saray tubo na oil tan natural gas transmission, pilien iray flat gate valves ya walay single gate odino doble gate. No kaukolan mon linisan so tubo, manpili kay flat gate valve ya walay saksakey ya gate ya walay diversion hole.
(2) Parad transmission pipeline tan kagawaan ed panagsimpenan na pino ya larak, manpili na saksakey a puerta ya anggapoy diversion hole odino sakey a flat gate valve ya walay doble a puerta.
(3) Parad saray oil tan natural gas extraction port devices, manpili na sakey a gate ya walay dark rod floating valve seat ya walay diversion hole odino flat gate valve ya walay double gate.
(4) Parad saray tubo ya walay akabitin ya particle media, pilien so plate gate valve ya singa kutsilyo.
(5) Parad saray urban gas transmission pipelines, pilien so single gate odino double gate soft seal open rod flat gate valve.
(6) Parad water supply engineering, pilien so single gate plate odino double gate plate ya anggapoy diversion hole open rod flat gate valve.
02 wedgegate valve
Saray nausar ya okasyon na wedge gate valve: Diad nanduruman klase na balbula, say gate valve so malaknab ya uusaren. Kaslakan et matukoy labat itan parad sigpot a panlukas odino sigpot a pansara, tan ag nayarin usaren parad regulasyon tan panag-throttle.
Say wedge gate valve et kaslakan ya uusaren ed saray pasen ya anggapoy istrikton kakaukolanen ed kabaleg na balbula ed paway, tan say kondisyon na pangusar et medyo mairap. Singa bilang, parad atagey a temperatura tan atagey a presyon na pantratrabahoan, kaukolan ya saray akasara a parte et nepeg ya selyado ed andukey a panaon.
Kaslakan, no saray kondisyon na pangusar odino kakaukolanen na napanmatalkan a panag-seal, atagey a presyon, atagey a presyon a cut-off (baleg a pandumaan na presyon), abeban presyon a cut-off (melag a pandumaan na presyon), abeban ungol, air hole tan vaporisation phenomenon, atagey a temperatura a medium, abeban temperatura (aralem a betel), nirekomenda so pangusar na puncture valve gate. Singa bilang, dakel so aplikasyon ed industriya na kuryente, panagtunaw na petrolyo, petrochemical, offshore oil, water engineering tan sewage treatment engineering diad urban construction, tan chemical industry.
Prinsipyo na panagpili:
(1) Saray kakaukolanen parad saray katangian na pluido na balbula. Say gate valve et uusaren ed saray kondisyon na pantratrabahoan ya melag so resistensya na agos, mabiskeg ya abilidad na sirkulasyon, maong ya ugali na agos tan malet iran kakaukolanen ed panagselyo.
(2) Atagey a temperatura tan atagey a presyon na medium. Singa say atagey a presyon na singaw, atagey a petang tan atagey a presyon na saray produkton larak.
(3) Abeban temperatura (aralem ya ambetel) medium. Singa say liquid ammonia, liquid hydrogen, liquid oxygen tan arum niran media.
(4) Abeba so presyon tan balegkabaleg. Singa saray proyekto na danum ed gripo tan saray proyekto ed panaglinis na imburnal.
(5) Posisyon na pangipuesto: pilien so dark rod gate valve no limitado so katagey na pangipuesto; pilien so open rod gate valve no ag limitado so katagey to.
(6) No nalukasan odino nasaraan lan maong, tan agla nayarin usaren parad panag-adjust tan panag-throttle, napili so puncture gate valve.
Taloran kaslakan a depekto tan panmintina
01 Kaslakan ya depekto tan sengegan na gate valves
Kayari na pangusar ed gate valve, saray onggendan ya problema et mabetbet ya nagagawa lapud temperatura, pressure, corrosion tan relatibon galaw na kada contact.
(1) Leakage: Walay duaran klase, salanti, external leakage tan internal leakage. Say itagas ed paway na balbula et tatawagen ya itagas, tan say itagas et kaslakan ed packing box tan flange connection.
Saray rason ed inka-leak na kahon na panag-impake: say klase o kalidad na panag-impake et ag makaabot ed saray kakaukolanen; say itatatken na pack o say inkaupot na valve stem; say inkalukas na packing gland; say panaggasgas ed tapew na balbula.
Saray rason no akin ya onlelereg so koneksyon na flange: say materyal o kabaleg na gasket et ag makaabot ed saray kakaukolanen; say kalidad na panagproseso na flange sealing surface et makapuy; saray bolt na koneksion et agsuston akapeket; say inkauksoy na tubo et aliwan makatunongan, kanian manresulta ed alablabas ya kaaruman ya karga ed koneksyon.
Saray rason ed internal leakage na balbula: Say leakage ya sengegan na ag-inkayadyari na balbula et sakey ya internal leakage, ya sengegan na inkaderal na sealing surface na balbula odino say lax root na sealing ring.
(1) Say corrosion et mabetbet ya say corrosion na laman na balbula, say taklay na balbula, say sanga na balbula tan say tapew na sealing na flange. Say corrosion et manunan lapud kiwas na medium, tan ontan met ed pangibulos na saray ion ed saray filler tan gasket.
(2) Gasgas: say lokal a panagguyor odino panag-peeling ed tapew et nagagawa no say gate plate tan say yurongan na balbula et walad relatibon galaw diad silong na pigaran contact ratio pressure.
02 Panmintina ed balbula na gate
(1) Panangapiger ed paway na balbula
No pindoten so filler, nepeg ya timbangen so upper gland bolt pian ag-onkiling so gland, ya walay gap parad compression. Legan ya ipipilit so filler, say valve stem et nepeg ya ibalikas pian magmaliw ya parepareho so filler ed kaliberliber na valve stem tan ag-onpatey so pressure, pian ag naapektoan so panag-ikot na valve stem, ondarakel so pakasulong na filler, tan napalemew so serbisyo to. Say tapew na valve stem et walay gasgas to, kanian mainomay ya onlesa so medium. Nepeg ya iproseso pian naekal iray gasgas ed tapew na valve stem antis ya usaren.
Parad itatagey na koneksyon na flange, no aderal so gasket, nepeg ya salatan; no say materyal na gasket et ag-apili na susto, say materyal ya makasumpal ed saray kakaukolanen ed pangusar so nepeg ya pilien; no say flange sealing surface et makapuy so kalidad na panagproseso, say flange sealing surface et kaukolan ya ekalen tan iproseso lamet anggad nakualipika.
Niarum ni, say suston pangipit ed saray flange bolts, suston pangi-configure ed pipeline, tan pangipaliis ed alablabas iran karga ed koneksyon na flange et makatulong pian ag-onleak so flange connection.
(2) Panangapiger ed loob na balbula
Say pangapiger ed internal leakage et pian naekal so aderal ed tapew na sealing tan say inka-lax na lamot na sealing ring (no say sealing ring et akapeket ed valve plate odino valve seat diad panamegley na panag-press odino thread). No say sealing surface et direktan iproseso ed valve body tan valve plate, anggapoy problema na lax roots tan leakage.
No say sealing surface et aderal a maong tan say sealing surface et naporma na sealing ring, nepeg ya ekalen so daan ya singsing tan ikdan na balon sealing ring; no say sealing surface et direktan naproseso ed laman na balbula, say aderal ya sealing surface et nepeg ya ekalen nin unona, insan say balon sealing ring odino say naproseso lan tapew et nepeg ya gilingan pian magmaliw ya balon sealing surface. No saray gasgas, bukol, dutak, ulpo tan arum niran depekto ed tapew na sealing et kulang ed 0.05mm, nayarin naekal iratan diad panamegley na panaggiling.
Say lamot na sealing ring et onlelereg. No say sealing ring et i-press ed loob tan ipeket, say PTFE belt odino amputin makapal a pinta et nayarin iiyan ed leksab na valve seat odino sealing ring groove, insan i-press ed sealing ring pian panoen so lamot na sealing ring. No say sealing ring et akapeket ed sakey a sinulid, say PTFE belt odino amputin makapal a pintura so nepeg ya iiyan ed baetan na sinulid Leakage ed baetan na saray linya.
(3) Panangapiger ed inkabulok na balbula
Diad inkalapagan, say laman na balbula tan say sakbong na balbula et pareparehon nabubuyak, bangta say sanga na balbula et mabetbet ya manbubulok. No mangaapiger, nepeg ya ekalen nin unona so makaderal a produkto. Parad valve stem ya walay pitting pits to, nepeg ya iproseso ed lathe pian naekal so depression, salatan ed filler ya walay sustained-release agent, odino linisan so filler na distilled water pian naekal iray ions ed filler ya walay corrosive effect to ed valve stem.
(4) Panangapiger ed saray gasgas ed tapew na seal
Legan ya uusaren so balbula, nepeg ya naprebentaan so gasgas ed tapew na sealing anggad posible, tan say torque et nepeg ya aliwan baleg no isara so balbula. No saray gasgas ed tapew na seal et nayarin naekal panamegley na panaggiling.
Naamtaan so apatiran gate valves
Diad kaplesan ya kaliberliber na merkado tan pankaukolan na saray manguusar, saray balbula na bakal ya gate so walaan na baleg a kabiangan. Bilang sakey ya inspektor na kalidad na produkto, nilikud ed pakaamta ed panagsukimat ed kalidad na produkto, nepeg met ya walaan ka na maong a pakatalos ed mismon produkto.
01 Say basiyan na panagsukimat ed balbula na bakal
Say pakadetektaan na iron gate valve et nibase ed national standard GB/T12232-2005 ya "General valve flange connection iron gate valve".
02 Saray inspeksyon ed balbula na bakal
Kaiba ed saya so: logo, * melag a kapal na padir, pressure test, shell test, tan arum nira. Kabiangan ed saratan, say kapal na padir, pressure tan shell test so nakaukolan iran inspeksion tan manunan bengatla. No wala ray ag kualipikadon bengatla, nayarin direktan husgaan iratan bilang ag kualipikadon produkto.
Diad sakey a salita, say panagsukimat ed kalidad na produkto et importantin kabiangan na panagsukimat ed interon produkto. Say kaimportantian to et mapatnag. Bilang sakey a front-line inspection staff, nepeg tayon lanang ya pabiskegen so kalidad tayo. Nepeg ya ag tayo labat gawaen so maong ya trabaho ed panag-inspeksion na produkto, no ag ingen nepeg ya nawalaan itayo met na pakatalos ed saray inspeksion ya produkto, pian mas nagawaan tayoy maong ya trabaho ed panag-inspeksion.
Oras na pangi-post: Mar-23-2023
