Vharavha inowanzo bvunzwa mibvunzo 9 mibvunzo 9 mhinduro
1. Sei vharafu yezvigaro zviviri iri nyore kubvongodza kana uchishanda nekaburi kadiki?the
Kune imwechete core, kana iyo yepakati iri kuyerera-yakavhurika mhando, iyo valve kugadzikana kwakanaka;apo svikiro iri rudzi rwekuyerera-pedyo, kugadzikana kwevharuvhu kwakashata.Ivhavha yezvigaro zviviri ine zviputi zviviri, spool yepasi yakavharwa uye spool yepamusoro yakazaruka.Nenzira iyi, kana uchishanda pane kuvhura kudiki, iyo inoyerera-yakavharwa spool inokonzeresa kuti vheji izununguke.Iyi ndiyo valve ine zvigaro zviviri.Chikonzero nei isingagone kushandiswa padiki rekuvhura basa.
2. Sei vharuvhu yakavharwa isingagone kushandiswa sevharuvhu yekuvhara?the
Kubatsira kwekaviri-seat valve core ndiyo simba rekuenzanisa chimiro, iyo inobvumira mutsauko wakakura wekumanikidza, asi chakashata chayo ndechekuti nzvimbo mbiri dzekuisa chisimbiso hadzigone kusangana zvakanaka panguva imwe chete, zvichikonzera kudonha kukuru.Kana iyo yakashandiswa nechisimba uye nechisimba muzviitiko zvekucheka, mhedzisiro yacho haina kunaka, kunyangwe kana kuvandudzwa kwakawanda (senge mavharuvhu akavharwa kaviri-akavharirwa) akagadzirirwa, hazvikurudzirwe.
3. Ndeipi yakatwasuka-stroke inodzora vharafu ine yakashata anti-blocking performance, uye quarter-stroke valve ine yakanaka anti-blocking performance?the
Iyo spool yestraight-stroke valve inotsikirirwa pasi, uku iyo yepakati ichiyerera ichipinda nekubuda yakachinjika.Nzira yekuyerera muvhavhavhavha inofanira kutendeuka nekudzokera kumashure, izvo zvinoita kuti nzira yekuyerera yevhavha ive yakaoma (chimiro chakafanana ne "S" yakapindurwa).Nenzira iyi, kune nzvimbo dzakawanda dzakafa, dzinopa nzvimbo yekunaya kwepakati, uye kana zvinhu zvikaenderera seizvi, zvinokonzeresa kuvharika.Iyo throttling direction yequarter-turn valve ndiyo yakatwasuka.Iyo yepakati inoyerera yakachinjika uye ichiyerera ichienda kunze.Zviri nyore kubvisa tsvina yakasviba.Panguva imwecheteyo, nzira yekuyerera iri nyore uye pane nzvimbo shoma yepakati kuti igadzirise, saka valve yekota-turn valve ine yakanaka anti-blocking performance.
4. Sei dzinde revharuvhu yevharuvhu yemirayiro yakatwasuka yakatetepa?the
Zvinosanganisira musimboti wakapfava wemuchina: iyo yakakura kukwesha kunotsvedza, kushoma kukweshana.Dzinde restrate stroke rinofamba richikwira nekudzika.Kana kupfekedza kudzvanywa zvishoma, kwaizoputira dzinde zvakasimba, zvichikonzera hysteresis huru.Kuti izvi zviitike, hunde revharuvhu rakagadzirirwa kuve rakatetepa uye diki uye kupfekedza kunoshandisa PTFE ine diki friction coefficient kuitira kuderedza hysteresis.Asi dambudziko rinobva pane izvi nderekuti hunde yevharuvhu yakaonda iri nyore kukotama uye kupfekedza kune hupenyu hupfupi hwebasa.Kugadzirisa dambudziko iri, nzira yakanakisisa ndeyokushandisa rotary valve stem, valve regulating yakafanana neyo rotary stroke.Dzinde rayo revharuvhu rine 2 kusvika ku3 nguva dzakakora kupfuura iyo yakananga sitiroko vharafu, uye girafu inotakura nehupenyu hurefu hwebasa rinoshandiswa kuvandudza kuoma kwevhavhavhavha.Zvakanaka, kurongedza kune hupenyu hurefu hwebasa, asi torque yayo idiki uye iyo hysteresis idiki.
5. Sei kusiyana kwe-cut-off pressure ye quarter-turn mavharuvhu yakakura?the
Quarter-turn mavharuvhu ane yakakura yekucheka-kubvisa pressure musiyano nekuti iyo inokonzeresa simba inogadzirwa nepakati pavharuvhu core kana vharafu ndiro inoburitsa kanguva kadiki pane inotenderera shaft, saka inogona kukurira mutsauko mukuru wekumanikidza.
6. Sei mavharuvhu ane rabha ane rabha nemavharuvhu ane fluorine-lined diaphragm aine hupenyu hupfupi hwesevhisi yemvura yakabviswa munyu?the
Iyo desalinated yemvura yepakati ine yakaderera mazinga easidhi kana alkali, ayo anoparadza zvakanyanya kune rabha.Kuora kwerabha kunoratidzwa sekuwedzera, kuchembera, uye kuderera kwesimba.Mavharuvhu e butterfly uye diaphragm mavharuvhu akaiswa rabha haana kunaka mukushandiswa.Chinokosha ndechekuti rabha haidziviriri pakuora.Rear rabha-lined diaphragm valve yakagadziridzwa kuita fluorine-lined diaphragm valve ine yakanaka corrosion resistance, asi diaphragm yefluorine-lined diaphragm valve yaisakwanisa kumira kupeta kumusoro nekudzika uye yakatyoka, zvichikonzera kukuvara kwemuchina uye kupfupisa hupenyu hwe vharafu.Nzira yakanakisisa ikozvino ndeyokushandisa bhora rinokosha revhavha yekurapa mvura, iyo inogona kushandiswa kwemakore 5-8.
7. Sei vharuvhu yekucheka ichifanira kuvharwa zvakasimba sezvinobvira?the
Iyo yakachekwa-vharuvhu inoda kudzikisa kudonha, zviri nani.Kubuda kwevhavha yakavharwa yakapfava ndiyo yakaderera.Ehe, iyo yekucheka-kubvisa mhedzisiro yakanaka, asi haina kupfeka-inodzivirira uye ine kusavimbika kwakashata.Tichitarisa kubva pamatanho maviri ekudonha kudiki uye kuiswa chisimbiso kwakavimbika, chisimbiso chakapfava chakachekwa hazvina kunaka sekudimburwa kwechisimbiso chakaoma.Semuenzaniso, iyo yakazara-yakazara-yakazara-yepamusoro-light regulating valve yakavharwa uye inodzivirirwa neayo-resistant alloys, ine kuvimbika kwepamusoro uye chiyero chekudonha che10-7, iyo inogona kutozadzisa zvinodiwa zvevhavha yekuvhara.
8. Sei mavharuvhu emaoko akatsiva mavharuvhu echigaro chimwe chete uye maviri akakundikana?the
Mavharuvhu emaoko, ayo akabuda muma1960, aishandiswa zvakanyanya kumba nekune dzimwe nyika muma1970.Mavharuvhu emaoko akaverengera chikamu chikuru chezvirimwa zvepetrochemical zvakaunzwa muma1980s.Panguva iyoyo, vanhu vazhinji vaitenda kuti mavharuvhu emaoko anogona kutsiva mavharuvhu ega uye maviri.Seat valve yakava chigadzirwa chechizvarwa chechipiri.Nhasi, izvi hazvisi izvo, mavharuvhu echigaro chimwe chete, mavharuvhu ezvigaro zviviri, uye mavharuvhu emaoko anoshandiswa zvakaenzana.Izvi ndezvokuti sleeve valve inongovandudza throttling fomu, uye kugadzikana kwayo uye kugadzirisa zviri nani pane iyo yevhavha yechigaro chimwe chete, asi uremu hwayo, anti-blocking uye leakage zviratidzo zvinopindirana ne-single- uye kaviri-seat valves.Inogona sei kutsiva mavharuvhu e-single- uye maviri-seat?Mucheka weshinda?Nokudaro, inogona kushandiswa chete pamwe chete.
9. Sei kusarudzwa kwemuenzaniso kuchikosha kupfuura kuverenga?the
Kuenzaniswa nekuverenga uye kusarudzwa, kusarudzwa kunonyanya kukosha uye kwakaoma.Nekuti iyo kuverenga ingori nyore formula yekuverenga, haina nhema mukurongeka kwefomati pachayo, asi mune iyo yakapihwa maitiro maparamita ari echokwadi.Kusarudzwa kwemuenzaniso kunosanganisira zvakawanda zvemukati, uye kusava nehanya zvishoma kunotungamirira kusarudzwa kusina kunaka, izvo zvisingazokonzereri kutambisa kwevashandi, zviwanikwa zvezvinhu, uye mari, asiwo zvinokonzera kushandiswa kusagutsikana kwemigumisiro, izvo zvinounza mamwe matambudziko mukushandiswa, zvakadai. sekuvimbika, hupenyu, hutano hwekushanda nezvimwe.
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