Emaphutsa lavamile kanye netindlela tekuvikela temavalvu eluvivane kanye nemavalvu esango

I valve ichubeka igcina futsi icedzela tidzingo letiniketwe letisebentako ngesikhatsi lesitsite sekusebenta, futsi kusebenta kwekugcina linani lepharamitha leliniketiwe ngaphakatsi kwelibanga lelibekiwe kubitwa ngekutsi akuhluleki. Uma kusebenta valve kulimele, kuyoba A malfunction kutawenteka.

1. Kuvuza kwelibhokisi lekugcwalisa

Lesi sici lesiyinhloko sekugijima, kugijima, kucondzisa, kanye nekuvuta, futsi kuvame kubonakala emafemini.

Tizatfu tekuvuza kwelibhokisi lekugcwalisa nguleti letilandzelako:

1Lentfo ayihambisani nekugcola, kushisa kanye nekucindzeteleka kwendlela yekusebenta;

2Indlela yekugcwalisa ayilungile, ikakhulukati uma konkhe lokupakisha kubekwa ngendlela lejikeletako, kungenteka kakhulu kutsi kubangele kuvuza;

3Kunemba kwemishini noma kucedvwa kwemhlabatsi wesicu sevalve akwanele, noma kune-ovality, noma kune-nicks;

4Sicu sevalve sesibe nemigodzi, noma sibe nemucu ngenca yekungavikeleki emoyeni lovulekile;

5Isicu sevalve sigobile;

6Lepakisha isetjentiswe sikhatsi lesidze kakhulu futsi seyigugile;

7Lokuhlindvwa kunebudlova kakhulu.

Indlela yekucedza kuvuza kwekupakisha kutsi:

Kukhetsa kahle kwetintfo letigcwalisako;

2Gcwalisa ngendlela lefanele;

Uma sicu sevalve singakafaneleki, kufanele silungiswe noma sishintjwe, futsi kucedvwa kwemhlabatsi kufanele kube lokungenani ▽5, futsi lokubaluleke kakhulu, kufanele kufinyelele ku ▽8 noma ngetulu, futsi kute letinye tici;

Tsatsa tinyatselo tekuvikela kuvikela umhlwa, futsi leto letigcotjiwe kumele tishintjwe;

5Kugoba kwesicu sevalve kufanele kucondziswe noma kuvuselelwe;

6Ngemuva kwekutsi kupakisha sekusetjentiswe sikhatsi lesitsite, kufanele kushintjwe;

7Lekusebenta kumele kuzinze, kuvulwe kancane bese kuvalwa kancane kuvikela tingucuko tekushisa letingakalindzeleki noma umtselela losemkhatsini.

2. Kuvuza kwetincenye tekuvala

Imvamisa, kuvuza kwelibhokisi lekugcwalisa kubitwa ngekutsi kuvuza kwangaphandle, bese incenye yekuvala ibitwa ngekutsi kuvuza kwangekhatsi. Kuvuza kwetincenye tekuvala, ngekhatsi kwevalve, akulula kutfola.

Kuvuza kwetincenye tekuvala kungahlukaniswa kube tigaba letimbili: lenye kuvuza kwendzawo yekuvala, bese lenye kuvuza kwemphandze yendandatho yekuvala.

Tizatfu tekuvuta nguleti:

1Indzawo yekuvala ayigaywa kahle;

2Indandatho yekuvala ayihambisani kahle nesihlalo sevalve kanye nediski yevalve;

3Kuxhumana emkhatsini we-disc yevalve kanye nesicu sevalve akucinile;

4Sicu sevalve sigobile futsi sisonteke, kute tincenye tekuvala letingetulu naletingentasi tingasemkhatsini;

5Vala ngekushesha kakhulu, indzawo yekuvala ayihlangani kahle noma seyilimele sikhatsi lesidze;

kukhetsa tintfo letingakafaneli, akakhoni kumelana nekugcola kwemkhakha;

Sebentisa valve yemhlaba kanye nevalve yesango njengevalve yekulawula. Lendzawo yekuvala ayikhoni kumelana nekuguguleka kwemkhatsi logeleta ngesivinini lesikhulu;

8Letinye tindzaba titawuphola kancane kancane ngemuva kwekuvalwa kwevalve, kwentela kutsi indzawo yekuvala itawuvela imifantu, futsi kuguguleka nako kutawenteka;

9Threaded uxhumano kusetjentiswa emkhatsini letinye tindzawo kuvala kanye valve situlo kanye valve disc, okuyinto lula ukukhiqiza umoya-mpilo lokuhlushwa umehluko ibhethri kanye corrode loose;

1Levalve ayikhoni kuvalwa kahle ngenca yekufakwa kwekungcola lokufana ne-slag yekushisela, umhlwa, lutfuli, noma tincenye temshini eluhlelweni lwekukhicita letiwako bese tivimba umgogodla wevalve.

Tinyatselo tekuvikela nguleti:

1Ngaphambi kwekutsi usebentise, kumele uhlole kahle umfutfo kanye nekuvuza, bese utfola kuvuza kwendzawo yekuvala noma umsuka wendandatho yekuvala, bese uyayisebentisa ngemuva kwekwelashwa;

2Kuyadzingeka kutsi uhlole kusengaphambili kutsi tincenye letehlukene tevalve tisesimeni lesihle yini. Ungasebentisi ivalve kutsi sicu sevalve sigobile noma sisonteke noma idiski yevalve kanye nesicu sevalve akukahlanganiswa kahle;

3Ivalve kufanele ivalwe kahle, hhayi ngebudlova. Uma utfola kutsi kuchumana emkhatsini wetindzawo tekuvala akusiko lokuhle noma kunekuvimbela, kumele usheshe uyivule sikhashana kwentela kutsi letintfo letilahliwe tiphume, bese uyayivala kahle;

4Nawukhetsa ivalve, hhayi kuphela kumelana nekugcola kwemtimba wevalve, kepha nekumelana nekugcola kwetincenye tekuvala kufanele kucatshangelwe;

Ngekuhambisana netimphawu tesakhiwo se-valve kanye nekusetjentiswa lokufanele, tincenye letidzinga kulungisa kugeleta kufanele tisebentise i-valve yekulawula;

Kulesimo lapho khona lendzawo lesemkhatsini ipholiswa futsi umehluko wekushisa mkhulu ngemuva kwekuvala i-valve, i-valve kumele ivalwe kahle ngemuva kwekupholisa;

Lapho situlo sevalve, i-valve disc kanye nendandatho yekuvala kuxhunywe ngentambo, itheyiphu ye-PTFE ingasetjentiswa njengekupakisha emkhatsini wetintsambo, kute kubete igebe;

8Kufanele kufakwe sihlungi embi kwevalve yevalve lengawela ekungcoleni.

3. Kwehluleka kwekuphakamisa sicu sevalvu

Tizatfu tekwehluleka kwekuphakamisa sicu sevalve nguleti:

1Intambo ilimele ngenca yekusebenta kakhulu;

kungabi khona kwekugcobisa noma kwehluleka kwekugcobisa;

3Isicu sevalve sigobile futsi sisonteke;

4Kucedvwa kwemhlabatsi akwanele;

Kubeketela lokufanele akunembile, futsi kuluma kucinile kakhulu;

I nut yesicu se valve ithambekele;

Kukhetsa tintfo letingakalungi, sibonelo, sicu sevalve kanye nenati yesicu sevalve kwentiwa ngetintfo letifanako, letilula kuluma;

8Lentambo igcotjwa ngumkhatsi (kubhekiswe ku-valve lene-valve yesicu lesimnyama noma i-valve lene-nut yesicu phansi);

9Ivalve levulekile ayikho kuvikeleka, futsi umucu wesicu sevalve umbonywe lutfuli kanye nesihlabathi, noma umucu ngemvula, ematolo, sifonyo kanye nelichwa.

Tindlela tekuvikela:

Kusebenta ngekucophelela, ungaphoceleli uma uvala, ungafiki esikhungwini lesifile lesisetulu uma uvula, jika lisondvo lesandla lijika linye noma lamabili ngemuva kwekuvula ngalokwanele kwenta luhlangotsi lolungetulu lwentambo luvale, kwentela kuvikela umkhatsi kutsi ungaphushi sicu sevalve etulu kute ushaye;

2Hlola simo sekugcobisa njalo futsi ugcine simo sekugcobisa lesijwayelekile;

3Ungavuli futsi uvale ivalve nge-lever lendze. Tisebenti letijwayele kusebentisa lever lemfisha kumele tilawule ngalokucinile linani lemandla kuvikela kujika kwesicu se valve (kubhekiswe ku valve lehlanganiswe ngco nelisondvo lesandla kanye nesicu se valve);

4Kutfutfukisa lizinga lekucubungula noma kulungisa kute kuhlangabetwe netidzingo tekucaciswa;

5Lemphahla kufanele imelane nekugcola futsi ivumelane nekushisa lokusebenta kanye naletinye timo tekusebenta;

6I valve stem nut akukafaneli yentiwe ngetintfo letifanako ne valve stem;

Uma usebentisa ipulasitiki njenge nut yesicu se valve, emandla kumele ahlolwe, hhayi kuphela kumela lokuhle kwekugcola kanye ne coefficient lencane yekukhuhlana, kepha nenkinga yemandla, uma emandla angakeneli, ungayisebentisi;

8Lesivalo sekuvikela sicu sevalve kufanele sifakwe kuvalve yemoya lovulekile;

9Kute ivalve ivuleke ngalokuvamile, jika isondo lesandla njalo kuvikela sicu sevalve kutsi singagcobi.

4. Lokunye

Kuvuza kwegasket:

Sizatfu lesikhulu kutsi akumelani nekugcola futsi akuvumelani nekushisa lokusebenta kanye nekucindzeteleka; kanye nekushintja kwekushisa kwevalve lesetulu yekushisa.

Sebentisa ema-gaskets lafanele timo tekusebenta. Hlola kutsi ngabe tintfo te-gasket tilungele yini emavalvu lamasha. Uma ingakafaneli, kufanele ishintshwe. Kumavalvu ekushisa lokusezingeni leliphakeme, cinisa emabhawudi futsi ngesikhatsi sekusetjentiswa.

Umtimba wevalvu lodzabukile:

Imvamisa kubangelwa kubandza. Uma simo selitulu sibandza, le valve kumele ibe netindlela tekuvikela kushisa kanye nekulandzelela kushisa. Ngaphandle kwaloko, emanti lase valve kanye neliphayiphi lelihlanganisako kumele kukhishwe ngemuva kwekutsi kukhicita kumiswe (uma kunepulaki phansi kwe valve, lepulaki ingavulwa kutsi ikhishwe).

Isondo lesandla lelilimele:

Kubangelwa ngumtselela noma kusebenta lokucinile kwe-lever lendze. Kungagwenywa uma nje umsebentisi kanye naletinye tisebenti letikhatsatekile banaka.

Lendlala yekupakisha yephukile:

Emandla langalingani uma kucindzetelwa kupakisha, noma indlala lenesici (kuvame kuba yinsimbi lephosiwe). Cindezela lokupakisha, jika sikulufu ngendlela lelinganako, futsi ungajiki. Uma ukhicita, akukafaneli kutsi unake tincenye letinkhulu naletibalulekile kuphela, kepha unake tincenye tesibili letifana netindlala, ngaphandle kwaloko kutawutsintsa kusetjentiswa.

Kuhlangana emkhatsini wesicu sevalve kanye nepuleti levalve kuyahluleka:

Le valve yesango yamukela tinhlobo letiningi tekuhlangana emkhatsini wenhloko lengu rectangular yesicu se valve kanye ne groove lemise T yesango, futsi le groove lemise T ngalesinye sikhatsi ayisetjentwa, ngako lenhloko lengu rectangular yesicu se valve igcoka ngekushesha. Ikakhulukati kusuka sici umkhiqizo ukuxazulula. Nomakunjalo, umsebentisi angaphindze ente le groove lemise kwe T kwenta kutsi ibe nekushelela lokutsite.

Lisango levalve yesango leliphindvwe kabili alikhoni kucindzetela sivalo ngalokucinile:

Kucindzeteleka kwesango leliphindvwe kabili kukhicitwa yi-wedge lesetulu. Kulamanye emavalvu esango, le wedge lesetulu yentiwe ngetintfo letimbi (insimbi lephansi), futsi itawugcokwa noma iphuke masinyane ngemuva kwekusetjentiswa. Le wedge lesetulu sicucu lesincane, futsi tintfo letisetjentisiwe atikho kakhulu. Umsebentisi angayenta ngensimbi yekhabhoni bese ufaka esikhundleni sensimbi yasekucaleni.