Mapoinzi akakosha ekusarudza valve
1. Kujekesa chinangwa chevhavha mumudziyo kana mudziyo
Sarudza mamiriro ekushanda evhavha: chimiro chechimiro chinoshandiswa, kushanda kwekushanda, kupisa kwekushanda uye nzira yekutonga yekushanda, nezvimwewo.
2. Sarudza zvakarurama rudzi rwevhavha
Sarudzo chaiyo yerudzi rwevharuvhu yakavakirwa pakubata kwakazara kwemugadziri kweyese nzira yekugadzira uye mamiriro ekushanda sechinhu chinodiwa. Pakusarudza rudzi rwevharuvhu, mugadziri anofanira kutanga abata maitiro ekugadzirisa uye kushanda kwevhavha yega yega.
3. Sarudza kuguma kwekubatanidza kwevhavha
Pakati pezvinongedzo zvakabatanidzwa, flange zvinongedzo, uye welded end connections, maviri ekutanga ndiwo anonyanya kushandiswa. Mavharuvhu ane shinda anonyanya kuve mavharuvhu ane dhayamita rezita pazasi 50mm. Kana iyo dhayamita yakakura kwazvo, zvichave zvakaoma kwazvo kuisa uye kuvhara kubatana.
Mavharuvhu akabatanidzwa-flange ari nyore kuisa nekuparadzana, asi anorema uye anodhura kupfuura mavharuvhu akabatanidzwa, saka akakodzera kubatanidzwa kwepombi yemadhayamita akasiyana-siyana uye kumanikidza.
Welding yekubatanidza yakakodzera kune inorema mitoro mamiriro uye yakavimbika kupfuura flange yekubatanidza. Zvisinei, zvakaoma kuparadzanisa uye kudzorerazve valve yakabatanidzwa ne welding, saka kushandiswa kwayo kunogumira kune zviitiko zvinowanzogona kushanda zvakavimbika kwenguva yakareba, kana kuti kushandiswa kwemamiriro ezvinhu kunorema uye kutonhora kwakakwirira.
4. Kusarudzwa kwezvinhu zvevhavha
Paunosarudza zvinhu zvevhavha yevhavha, zvikamu zvemukati uye chisimbiso chepamusoro, kunze kwekutarisa zvinhu zvemuviri (tembiricha, kumanikidza) uye makemikari zvinhu (corrosiveness) yesvikiro rekushanda, kuchena kwepakati (ine kana isina zvimedu zvakasimba) inofanirawo kubatwa. Pamusoro pezvo, zvinodikanwa kureva kune mirairo yakakodzera yenyika uye dhipatimendi revashandisi.
Iyo yakarurama uye inonzwisisika kusarudzwa kwezvinhu zvevhavha inogona kuwana zvakanyanya hupfumi hwehupenyu hwebasa uye kushanda kwakanakisisa kwevhavha. Iyo yevhavha yemuviri yemhando yekusarudza inoteedzana ndeiyi: cast iron-carbon simbi-stainless simbi, uye yekuisa chisimbiso mhete yemhando yekusarudza kutevedzana ndeye: rubber-copper-alloy simbi-F4.
5. Zvimwe
Mukuwedzera, chiyero chekuyerera uye chiyero chekumanikidzika chemvura inoyerera kuburikidza nevhavha inofanirawo kugadziriswa, uye valve yakakodzera inofanira kusarudzwa uchishandisa ruzivo rwuripo (zvakadai sevhavha chigadzirwa catalogs, valve product samples, nezvimwewo).
Mirayiridzo yekusarudza vharafu inowanzoshandiswa
1:Sarudzo mirairo yevhavha yegedhi
Kazhinji, mavharuvhu emagedhi anofanira kunge ari sarudzo yekutanga. Kuwedzera kune akakodzera chiutsi, oiri uye mamwe midhiya, gedhi mavharuvhu akakodzerawo midhiya ine granular solids uye yakakwirira viscosity, uye yakakodzera mavharuvhu mumhepo uye yakaderera vacuum masisitimu. Kune midhiya ine zvimedu zvakasimba, muviri wevharuvhu wevhavha yegedhi unofanirwa kuva negomba rimwe chete kana maviri ekuchenesa. Kune yakaderera-tembiricha midhiya, yakakosha yakadzika-tembiricha gedhi mavharuvhu anofanirwa kushandiswa.
2:Mirairo yekusarudzwa kweglobe valve
Varuvhu yekumisa yakanakira mapaipi asingade kuomarara kwemvura, kureva, mapaipi kana midziyo ine tembiricha yakanyanya uye high pressure medium isingatarise kurasikirwa nekumanikidzwa, uye inokodzera mapaipi epakati senge chiutsi chine DN<200mm;
Diki mavharuvhu anogona kusarudza globe mavharuvhu, akadai tsono mavharuvhu, chiridzwa mavharuvhu, sampling mavharuvhu, pressure gauge mavharuvhu, etc.;
Ivhavha yekumisa ine kuyerera kwekuyerera kana kudzvinyirira kugadzirisa, asi kururamisa kururamisa hakusi kwakakwirira, uye dhayamita yepombi inenge diki, zviri nani kushandisa chivharo chekumira kana throttle valve;
Kune midhiya ine muchetura zvakanyanya, vharafu-yakavharwa globe valve inofanira kushandiswa; zvisinei, vharuvhu yepasi haifaniri kushandiswa kune midhiya ine viscosity yakakwirira uye midhiya ine zvidimbu zviri nyore kudonha, uye haifanirwe kushandiswa sevhavha yemhepo kana yakaderera vacuum system valve.
3:Mirairo yekusarudza vharafu yebhora
Ivhavha yebhora inokodzera kudzika-tembiricha, yakakwirira-kumanikidza, uye yakakwirira-viscosity media. Mazhinji mavharuvhu ebhora anogona kushandiswa munhau ane yakaturikwa yakasimba particles, uye anogona zvakare kushandiswa muupfu uye granular midhiya zvinoenderana nekuisa chisimbiso zvinhu zvinodiwa;
Iyo yakazara-channel bhora vharafu haina kukodzera kugadzirisa kuyerera, asi inokodzera zviitiko zvinoda kukurumidza kuvhurwa nekuvhara, izvo zviri nyore kuvharika kwenjodzi yetsaona; kazhinji mukushanda kwakasimba kwekuisa chisimbiso, kupfeka, kufambisa mutsipa, kukurumidza kuvhura nekuvhara chiito, kudzvanywa kwepamusoro-kubviswa (kuremerwa kwakakura kusiyana), Mumapaipi ane ruzha rushoma, vaporization, diki yekushandisa torque, uye kushoma kwemvura kuramba, mavharuvhu ebhora anokurudzirwa.
Ivhavhavha yebhora inokodzera chimiro chechiedza, yakaderera kudzvinyirirwa kubviswa, uye corrosive media; iyo vharafu yebhora zvakare ndiyo yakanyanya kunaka vharafu kune yakaderera tembiricha uye cryogenic media. Kune iyo pombi system uye mudziyo wepasi tembiricha midhiya, yakaderera tembiricha bhora vharafu ine bonnet inofanira kusarudzwa;
Paunenge uchisarudza inoyangarara bhora vharafu, chigaro chayo chinofanirwa kutakura mutoro webhora uye svikiro rekushanda. Mavharuvhu makuru-caliber bhora anoda simba rakakura panguva yekushanda, DN≥
Iyo 200mm bhora vharafu inofanirwa kushandisa iyo worm gear transmission fomu; iyo yakagadziriswa bhora vharafu inokodzera dhayamita yakakura uye yakakwirira nguva dzekumanikidza; uyezve, vharafu yebhora inoshandiswa kugadzira zvinhu zvine muchetura zvakanyanya uye mapaipi epakati anopfuta anofanirwa kuve nemoto uye antistatic chimiro.
4: throttle valve yekusarudza mirayiridzo
Iyo throttle valve inokodzera zviitiko apo tembiricha yepakati yakadzikira uye kudzvanywa kwakakwira, uye inokodzera zvikamu zvinoda kugadzirisa kuyerera nekumanikidza. Iyo haina kukodzera yepakati nepamusoro viscosity uye ine yakasimba particles, uye haina kukodzera kune yega yega valve.
5:Cock valve kusarudza mirayiridzo
Iyo plug valve inokodzera zviitiko zvinoda kuvhurwa nekukurumidza nekuvhara. Kazhinji, haina kukodzera kupfuti uye yakakwirira tembiricha midhiya, kune yakaderera tembiricha uye yakakwirira viscosity midhiya, uye zvakare kune midhiya ine yakamiswa zvidimbu.
6:Butterfly valve kusarudza mirayiridzo
Butterfly valve inokodzera dhayamita yakakura (yakadai seDN﹥600mm) uye urefu hupfupi hwechimiro, pamwe chete nenguva dzinodiwa kugadzirisa kuyerera uye kuvhura nekukurumidza nekuvhara zvinodiwa. Inowanzo shandiswa pakupisa ≤
80 ℃, kumanikidza ≤ 1.0MPa mvura, mafuta, mhepo yakamanikidzwa uye mamwe midhiya; nekuda kwekurasikirwa kwakakura kwemavharuvhu eshavishavi zvichienzaniswa negedhi mavharuvhu uye bhora mavharuvhu, shavishavi mavharuvhu akakodzera pombi masisitimu ane kushoma kuomarara kurasikirwa zvinodiwa.
7: Tarisa mirairo yekusarudza valve
Cheki mavharuvhu anowanzo akakodzera kuchena midhiya, kwete yenhau ine yakasimba particles uye yakakwirira viscosity. Kana ≤40mm, simudza cheki valve inofanira kushandiswa (inobvumirwa chete kuiswa pahorizontal pipeline); kana DN = 50～400mm, swing cheki valve inofanira kushandiswa (inogona kuiswa pamapaipi akachinjika uye akatwasuka, sekuti Yakaiswa papiipi yakatwasuka, kuyerera kwepakati kunofanirwa kubva pasi kuenda kumusoro);
Kana DN≥450mm, buffer cheki vharafu inofanira kushandiswa; apo DN=100～400mm, wafer cheki valve inogona kushandiswawo; swing cheki vharafu inogona kuitwa kuita yakanyanya kumanikidza kushanda, PN inogona kusvika 42MPa, Inogona kuiswa kune chero yekushanda svikiro uye chero yekushanda tembiricha renji zvinoenderana nezvinhu zvakasiyana zvegoko uye zvikamu zvekuisa chisimbiso.
Iyo yepakati imvura, chiutsi, gasi, corrosive medium, mafuta, mushonga, etc. Kushanda tembiricha yepakati iri pakati -196～800℃.
8: Diaphragm valve yekusarudza mirayiridzo
Diaphragm vharafu inokodzera oiri, mvura, acidic svikiro uye yepakati ine yakamiswa yakasimba ine tembiricha yekushanda isingasviki 200 ℃ uye kudzvanywa kuri pasi pe1.0MPa. Haina kukodzera organic solvent uye yakasimba oxidant medium;
Weir diaphragm mavharuvhu anofanirwa kusarudzirwa abrasive granular media, uye kuyerera maitiro tafura ye weir diaphragm mavharuvhu anofanira kutaurwa pakusarudza weir diaphragm mavharuvhu; yakatwasuka-kuburikidza nediaphragm mavharuvhu anofanirwa kusarudzwa kune viscous fluid, simende slurry uye sedimentary media; diaphragm mavharuvhu haifanirwe kushandiswa kune vacuum pombi kunze kwezvinodiwa chaizvo Mugwagwa uye vacuum midziyo.
Mubvunzo wekusarudza valve nemhinduro
1. Ndezvipi zvinhu zvitatu zvikuru zvinofanira kutariswa pakusarudza sangano rinoita basa?
Kubuda kweactuator kunofanira kuva kwakakura kudarika mutoro wevhavha uye inofanira kuenzaniswa.
Paunenge uchitarisa musanganiswa wakajairika, zvinodikanwa kuti utarise kana iyo inobvumidzwa yekumanikidza musiyano inotsanangurwa nevhavha inosangana nezvinodiwa maitiro. Apo mutsauko wekumanikidzika wakakura, simba risina kuenzana pane spool rinofanira kuverengwa.
Izvo zvinodiwa kuti utarise kana iyo yekupindura kumhanya kweiyo actuator inosangana nezvinodiwa zvekushanda kwemaitiro, kunyanya magetsi emagetsi.
2. Kuenzaniswa nepneumatic actuators, ndeapi maitiro emagetsi emagetsi, uye ndeapi marudzi ekubuda aripo?
Iyo yemagetsi dhiraivha sosi isimba remagetsi, riri nyore uye rakanakira, rine yakakwirira thrust, torque uye rigidity. Asi chimiro chakaoma uye kuvimbika hakuna kunaka. Inodhura kudarika pneumatic mune zviduku uye zvepakati zvinyorwa. Inowanzoshandiswa muzviitiko apo pasina gasi rinobva kana apo zvakasimba kuputika-kudzivirira uye moto-uchapupu hazvidiwi. Iyo yemagetsi actuator ine matatu ekubuda mafomu: angular sitiroko, mutsara sitiroko, uye akawanda-kutendeuka.
3. Sei kusiyana kwe-cut-off pressure ye quarter-turn valve yakakura?
Musiyano wekudzvanywa kwevharuvhu yekota-kutendeuka yakakura nekuti simba rinobuda nepakati papakati pevharuvhu kana plate yevharuvhu inoburitsa torque diki pane shaft inotenderera, saka inogona kukurira mutsauko mukuru wekumanikidza. Butterfly mavharuvhu uye mavharuvhu ebhora ndiwo anonyanya kuzivikanwa mavharuvhu ekota.
4. Ndeapi mavharuvhu anoda kusarudzwa kuti aenderere mberi? sei kusarudza?
Single-seal control valves senge-seat-seat valves, high-pressure valves, uye single-seal sleeve mavharuvhu asina maburi maburi anoda kuyerera. Pane zvakanakira nekuipira kuyerera kuvhurika uye kuyerera kwakavharwa. Iyo inoyerera-yakavhurika yemhando valve inoshanda zvakadzikama, asi iyo yekuzvichenesa kuita uye yekuisa chisimbiso kuita kwakashata, uye hupenyu hupfupi; iyo inoyerera-yevhavha yemhando yevhavha ine hupenyu hurefu, yekuzvichenesa kuita uye kuita chisimbiso chakanaka, asi kugadzikana kwakashata kana dhayamita yetsinde idiki pane dhayamita yepakati pevhavha.
Mavharuvhu echigaro chimwe chete, mavharuvhu madiki anoyerera, uye mavharuvhu ane chisimbiso chimwe-chisimbiso anowanzo kusarudzwa kuti ayerera akavhurika, uye kuyerera kwakavharwa kana paine kugezesa kwakanyanya kana kuzvichenesa. Iyo miviri-nzvimbo yemhando inokurumidza kuvhura maitiro inodzora vharafu inosarudza iyo inoyerera yakavharwa mhando.
5. Mukuwedzera kune mavharuvhu ane chigaro chimwe chete uye maviri-seat uye sleeve valves, ndeapi mamwe mavharuvhu ane mabasa ekutonga?
Diaphragm mavharuvhu, butterfly mavharuvhu, O-shaped bhora mavharuvhu (kunyanya akachekwa-kubvisa), V-shaped bhora mavharuvhu (hombe gadziriso reshiyo uye kugera mugumisiro), uye eccentric rotary mavharuvhu zvose mavharuvhu ane kugadzirisa mabasa.
6. Sei kusarudzwa kwemuenzaniso kuchikosha kupfuura kuverenga?
Kuenzanisa kuverenga uye kusarudzwa, kusarudzwa kunonyanya kukosha uye kwakaoma. Nekuti iyo kuverenga ingori yakapusa formula yekuverenga, haisi iyo pachayo inorara mukurongeka kweiyo fomula, asi mukurongeka kweiyo yakapihwa maitiro paramita.
Kusarudzwa kunosanganisira zvakawanda zvemukati, uye kusava nehanya zvishoma kuchaita kuti kusarudzwa kusina kunaka, izvo zvisingangokonzeri kutambisa kwevashandi, zvinhu uye zviwanikwa zvemari, asiwo kushandiswa kusingagutsi kushandiswa, izvo zvinounza matambudziko akawanda ekushandisa, zvakadai sekuvimbika, hupenyu hwehupenyu, uye kushanda. Hunhu nezvimwe.
7. Sei valve yakavharwa kaviri isingagoni kushandiswa sevhavha yekuvhara?
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 ikashandiswa zvisiri pamutemo uye nekumanikidzira kushandiswa kwekucheka zviitiko, mhedzisiro yacho haina kunaka. Kunyangwe kana kuvandudzwa kwakawanda (senge kaviri-yakavharwa sleeve valve) ichiitirwa iyo, hazvikurudzirwe.
8. Sei vharafu yezvigaro zviviri iri nyore kubvongodza kana uchishanda nekaburi kadiki?
Kune imwechete musimboti, kana yepakati ichiyerera yakavhurika mhando, iyo vharafu kugadzikana kwakanaka; kana yepakati iri kuyerera yakavharwa mhando, iyo vharafu kugadzikana kwakashata. Ivhavhavha yezvigaro zviviri ine spools maviri, spool yepasi iri mukuyerera yakavharwa, uye spool yepamusoro iri mukuyerera yakazaruka.
Nenzira iyi, kana uchishanda nekuvhura kudiki, iyo inoyerera-yakavharwa yevhavha core inogona kukonzera kuzununguka kwevhavha, ndicho chikonzero valve-seat-seat valve haigone kushandiswa kushanda nekuvhura kudiki.
9. Ndeapi maitiro eiyo yakatwasuka-kuburikidza ne-single-seat control valve? Inoshandiswa kupi?
Kuyerera kwekudonha kudiki, nekuti kune imwe chete yevhavha yepakati, zviri nyore kuve nechokwadi chekuisa chisimbiso. Iyo yakajairwa yekuyerera kuyerera mwero i0.01% KV, uye imwe dhizaini inogona kushandiswa sevhavha yekuvharika.
Musiyano unobvumidzwa wekumanikidza idiki, uye kupinza kwakakura nekuda kwesimba risina kuenzana. Iyo valve △P yeDN100 inongova 120KPa.
Kutenderera kwesimba kudiki. Iyo KV yeDN100 inongova 120. Inowanzoshandiswa muzviitiko apo kudonha kuduku uye kusiyana kwekumanikidzwa hakusi kukuru.
10. Ndeapi maitiro eiyo yakatwasuka-kuburikidza nekaviri-seat control valve? Inoshandiswa kupi?
Musiyano unobvumidzwa wekumanikidza wakakura, nekuti unogona kudzikamisa masimba mazhinji asina kuenzana. DN100 vharafu △P iri 280KPa.
Yakakura kutenderera kugona. Iyo KV yeDN100 i160.
Iyo leakage yakakura nekuti ma spools maviri haagone kuvharwa panguva imwe chete. Chiyero chekuyerera chinoyerera i 0.1% KV, inova kagumi pane yevharuvhu yechigaro chimwe chete. Iyo yakatwasuka-kuburikidza nekaviri-seat control valve inonyanya kushandiswa muzviitiko zvine high pressure musiyano uye yakaderera leakage zvinodiwa.
11. Sei kupesana-kuvharidzira kushanda kwe-straight-stroke regulating valve kusina kunaka, uye angle-stroke valve ine yakanaka anti-blocking performance?
Iyo spool ye-straight-stroke valve is a vertical throttling, uye yepakati inoyerera ichipinda nekubuda yakatwasuka. Nzira yekuyerera muvhavhavhavha ichatendeuka nekudzokera kumashure, izvo zvinoita kuti nzira yekuyerera yevharuvhu ive yakaoma (chimiro chakaita seyakapinzwa "S" chimiro). Nenzira iyi, kune nzvimbo dzakawanda dzakafa, dzinopa nzvimbo yekunaya kwepakati, uye kana zvinhu zvikaenderera seizvi, zvinokonzeresa kuvharika.
Iyo nzira yekukwenya kwequarter-turn valve ndiyo nzira yakachinjika. Iyo yepakati inoyerera ichipinda uye ichibuda yakatwasuka, zviri nyore kubvisa tsvina yepakati. Panguva imwecheteyo, nzira yekuyerera iri nyore, uye nzvimbo yekunaya kwepakati idiki, saka iyo quarter-turn valve ine yakanaka anti-blocking performance.
12. Ndeapi mamiriro ezvinhu andinofanira kushandisa nzvimbo yevhavha?
Apo kukwesha kwakakura uye kunyatsomira kunodiwa. Semuyenzaniso, tembiricha uye yakaderera tembiricha kudzora mavharuvhu kana kudzora mavharuvhu ane flexible graphite kurongedza;
Iyo inononoka nzira inoda kuwedzera kumhanya kwekupindura kwevhavha inogadzirisa. Semuenzaniso, iyo yekugadziridza sisitimu yekushisa, chiyero chemvura, kuongororwa uye mamwe ma parameter.
Izvo zvinodiwa kuwedzera simba rekubuda uye simba rekucheka reiyo actuator. Semuenzaniso, vharafu yechigaro chimwe chete ine DN≥25, vharafu yechigaro cheviri ine DN> 100. Kana dzvinyiriro inodonha pamativi ese evharuvhu △P> 1MPa kana inlet pressure P1> 10MPa.
Mukushanda kwekupatsanurwa-range regulating system uye regulating valve, dzimwe nguva zvinodikanwa kushandura mhepo-kuvhura uye mhepo-yekuvhara modes.
Zvakakosha kushandura maitiro ekuyerera kwevhavha inogadzirisa.
13. Ndeapi matanho manomwe ekuona ukuru hwevharuvhu inodzora?
Sarudza iyo yakaverengerwa kuyerera-Qmax, Qmin
Sarudza iyo yakaverengerwa yekumanikidza musiyano-sarudza iyo yekupokana reshiyo S kukosha zvinoenderana nehunhu hwehurongwa, uye wobva waona iyo yakaverengerwa yekumanikidza musiyano (apo vharafu yakavhurwa zvizere);
Verenga iyo inoyerera coefficient-sarudza yakakodzera kuverenga formula chati kana software kuti uwane iyo max uye min yeKV;
KV kukosha kusarudzwa--Maererano neKV max kukosha mune yakasarudzwa chigadzirwa nhevedzano, iyo KV iri padyo negiya rekutanga inoshandiswa kuwana yekutanga kusarudzwa caliber;
Kuvhura dhigirii cheki kuverenga-kana Qmax ichidikanwa, ≯90% kuvhura vharafu; kana Qmin iri ≮10% kuvhura vharafu;
Chaicho chinogadziriswa reshiyo chekutarisa kuverenga--chinodiwa chese chinofanira kunge chiri ≮10; Ractual＞R chinodiwa
Iyo caliber yakatemwa-kana isina kukodzera, sarudzazve kukosha kweKV uye simbisa zvakare.
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Iyo sleeve valve yakabuda muma1960 yaishandiswa zvakanyanya kumba nekune dzimwe nyika muma1970. Mumiti yepetrochemical yakaunzwa mu1980s, mavharuvhu emaoko akaverengera chikamu chikuru. Panguva iyoyo, vanhu vazhinji vaitenda kuti mavharuvhu emaoko anogona kutsiva mavharuvhu ega uye maviri. Ivhavha yechigaro yakava chigadzirwa chechizvarwa chechipiri.
Kusvikira ikozvino, izvi hazvisizvo. Mavharuvhu echigaro chimwe chete, mavharuvhu ane zvigaro zviviri, uye mavharuvhu emaoko ese anoshandiswa zvakaenzana. Izvi zvinodaro nekuti iyo sleeve valve inongovandudza iyo throttling fomu, kugadzikana uye kugadzirisa zvirinani pane imwechete chigaro vharafu, asi huremu hwayo, anti-blocking uye leakage zviratidzo zvinopindirana neiyo imwechete uye mbiri chigaro mavharuvhu, ingaite sei kutsiva imwechete uye kaviri. mavharuvhu echigaro Mucheka weshinda? Naizvozvo, vanogona chete kushandiswa pamwe chete.
15. Sei chisimbiso chakaoma chichifanira kushandiswa kusvika pazvinobvira mavharuvhu ekuvharisa?
Kubuda kwevhavha yekuvhara kwakaderera sezvinobvira. Kubuda kwevhavha yakavharwa yakapfava ndiyo yakaderera. Ehe, iyo yekuvhara-off effect yakanaka, asi haina kupfeka-inodzivirira uye ine hurombo hwakavimbika. Tichitarisa kubva pamatanho maviri ekudonha kudiki uye kuiswa chisimbiso kwakavimbika, kuiswa chisimbiso kwakapfava hakuna kunaka sekusunga chisimbiso.
Semuenzaniso, full-function ultra-light regulating valve, yakavharwa uye yakarongedzwa ne-wear-resistant alloy protection, ine kuvimbika kwepamusoro, uye ine chiyero chekubuda kwe10-7, iyo inogona kutosangana nezvinodiwa zvevhavha yekuvhara.
16. Sei dzinde restraight-stroke control valve rakatetepa?
Inosanganisira yakapfava mechanicha musimboti: yakakwirira kutsvedza kukweshera uye yakaderera rolling friction. Hunde yevharuvhu yevharuvhu yakatwasuka inofamba ichikwira nekudzika, uye kurongedza kunodzvanywa zvishoma, inotakura hunde yevharuvhu yakasimba kwazvo, zvichikonzera musiyano mukuru wekudzoka.
Nechikonzero ichi, hunde yevhavha yakagadzirirwa kuve diki kwazvo, uye kurongedza kunoshandisa PTFE kurongedza nediki friction coefficient kuti kuderedze backlash, asi dambudziko nderekuti tsinde yevharuvhu yakatetepa, iri nyore kukotama, uye kurongedza. hupenyu hupfupi.
Nzira yakanakisisa yekugadzirisa dambudziko iri ndeyokushandisa chivharo chevhavha yekufamba, kureva, quarter-turn valve. Dzinde rayo rakakora kaviri kusvika katatu pane hunde yevharuvhu yakatwasuka. Inoshandisawo hupenyu hurefu hwe graphite kurongedza uye kuoma kwe stem. Zvakanaka, hupenyu hwekurongedza hwakareba, asi torque yekukwesha idiki uye backlash idiki.
Unoda kuti vanhu vakawanda vazive ruzivo rwako uye ruzivo rwebasa? Kana iwe uchiita basa rekugadzira michina, uye uine ruzivo pamusoro pekugadzirisa valve, nezvimwewo, unogona kutaura nesu, zvichida ruzivo rwako uye ruzivo Ruchabatsira vanhu vakawanda.
Nguva yekutumira: Nov-27-2021