Ufaka umgca omtsha wamanzi kwaye ubambe ivalve yePVC. Kodwa ukuba awuwazi umda woxinzelelo, usengozini yokugqabhuka kwentlekele, izandyondyo zemvula, kunye nexesha lokuphumla kwenkqubo.
I-Schedule ye-40 yevalve yebhola ye-PVC eqhelekileyo ihlelwe ukuba ibambe ubuninzi be-150 PSI (iiponti nge-Inch yesikwere) kwi-73 ° F (23 ° C). Olu qondo loxinzelelo lwehla kakhulu njengoko ubushushu bamanzi bukhula, ngoko ke kubalulekile ukujonga iinkcukacha zomenzi.
Elo nani, 150 PSI, yimpendulo elula. Kodwa impendulo yokwenyani intsonkothile ngakumbi, kwaye ukuqonda kungundoqo ekwakheni inkqubo ekhuselekileyo nethembekileyo. Ndihlala ndixoxa noBudi, umphathi wokuthenga e-Indonesia. Uqeqesha iqela lakhe ukuba libuze abathengi hayi nje ukuba "luluphi uxinzelelo olufunayo?" kodwa “lithini iqondo lobushushu?” kwaye "umisa njani ukuhamba?" Impompo inokwenza i-spikes yoxinzelelo kude ngaphezu komndilili wenkqubo. Ivalve yinxalenye nje enye yenkqubo yonke. Ukwazi ukuba lungakanani na uxinzelelo olunokumelana nalo asikokufunda nje inani; imalunga nokuqonda indlela inkqubo yakho eya kuziphatha ngayo kwihlabathi lokwenyani.
Yintoni iqondo loxinzelelo lwevalve yePVC?
Ubona "150 PSI" eprintwe kwivalve, kodwa ithetha ukuthini loo nto? Ukuyisebenzisa kwiimeko ezingafanelekanga kunokubangela ukuba ingaphumeleli, nangona uxinzelelo lubonakala luphantsi.
Ukulinganiswa koxinzelelo lwe-valve ye-PVC, ngokuqhelekileyo i-150 PSI yeShedyuli ye-40, iphezulu yoxinzelelo olukhuselekileyo lokusebenza kwiqondo lokushisa. Njengoko iqondo lokushisa liphakama, i-PVC iyathamba kwaye amandla ayo okuphatha uxinzelelo ayancipha kakhulu.
Cinga ngomlinganiselo woxinzelelo njengamandla alo kwimeko egqibeleleyo. Kwiqondo lobushushu begumbi obutofotofo obuyi-73°F (23°C), ivalve yePVC eqhelekileyo emhlophe yomelele kwaye iqinile. KodwaI-PVC yi-thermoplastic, nto leyo ethetha ukuba iya ithambile xa ubushushu. Le yeyona ngcamango ibaluleke kakhulu ekufuneka uyiqonde: kufuneka "unciphise" uxinzelelo lwamaqondo obushushu aphezulu. Umzekelo, kwi-100 ° F (38 ° C), loo valve ye-PSI eyi-150 inokukhuseleka kuphela ukuya kwi-110 PSI. Ngexesha ufika ku-140°F (60°C), izinga layo eliphezulu liye lehla laya kutsho kuma-30 ePSI. Kungenxa yoko le nto iPVC eqhelekileyo yeyamanzi abandayo kuphela. Kuxinzelelo oluphezulu okanye amaqondo obushushu aphezulu kancinci, ungajongaIshedyuli 80 PVC(idla ngokuba ngwevu emnyama), eneendonga ezityebileyo kunye noxinzelelo lokuqala oluphezulu.
PVC Pressure Rating vs. Ubushushu
| Ubushushu baManzi | Uxinzelelo olukhulu (lwe-150 PSI Valve) | Amandla Agciniwe |
|---|---|---|
| 73°F (23°C) | 150 PSI | 100% |
| 100°F (38°C) | ~110 PSI | ~73% |
| 120°F (49°C) | ~75 PSI | ~50% |
| 140°F (60°C) | ~33 PSI | ~22% |
Yintoni umda woxinzelelo lwevalve yebhola?
Uyazi ukuba uxinzelelo oluzinzileyo lwenkqubo yakho lungaphantsi komda ngokukhuselekileyo. Kodwa ukuvalwa kwevalve ngequbuliso kunokudala i-spike yoxinzelelo evuthela ngaphaya komda, ibangele ukugqabhuka kwangoko.
Umda woxinzelelo ochaziweyo loloxinzelelo olumileyo, olungasothukiyo. Lo mda awubandakanyi amandla aguqukayo afanaihamile yamanzi, ukunyanzeliswa koxinzelelo olukhawulezileyo olunokwaphula ngokulula ivalve elinganiswe ngoxinzelelo oluphezulu kakhulu.
Ihamile yamanzi ngumbulali othuleyo wamacandelo emibhobho. Yiba nomfanekiso-ngqondweni wombhobho omde ozele ngamanzi uhamba ngokukhawuleza. Xa uvala ivalve, onke la manzi ashukumayo kufuneka ame ngoko nangoko. Isantya sidala umothuko omkhulu obuyela umva ngombhobho. Le spike yoxinzelelo ingaba ngamaxesha angama-5 ukuya kwi-10 yoxinzelelo lwenkqubo eqhelekileyo. Inkqubo esebenza kwi-60 PSI inokufumana okwethutyana i-spike ye-600 PSI. Akukho valve yebhola yePVC esemgangathweni enokumelana naloo nto. Ndihlala ndixelela uBudi ukuba akhumbuze abathengi bakhe bekontraka ngale nto. Xa ivalve isilela, kulula ukugxeka imveliso. Kodwa rhoqo, ingxaki luyilo lwenkqubo olungaphenduliyo ngehamile yamanzi. Olona thintelo lungcono kukuvala iivalvu ngokucothayo. Nokuba ivalve yebhola yokujika ikota, ukusebenzisa isiphatho ngokutyibilikayo kwisekondi okanye emibini endaweni yokuyiqhawula yenza umahluko omkhulu.
Lungakanani uxinzelelo olunokumelana nePVC?
Ukhethe ivalve efanelekileyo, kodwa kuthekani ngombhobho? Inkqubo yakho yomelele kuphela njengekhonkco layo elibuthathaka, kwaye ukusilela kombhobho kubi nje ngokusilela kwevalvu.
Ubungakanani boxinzelelo lwePVC lunokumelana nokuxhomekeka "kwishedyuli" okanye ubukhulu bodonga. IShedyuli esemgangathweni 40 umbhobho wePVC unamaqondo oxinzelelo oluphantsi kunodonga olutyebileyo, umbhobho ongaphezulu wama-80 weshishini.
Kuyimpazamo eqhelekileyo ukugxila kuphela kumlinganiselo wevalve. Kufuneka ungqinelane nezinto zakho. Umbhobho we-2-intshi weShedyuli engama-40, umbhobho oqhelekileyo omhlophe owubona kuyo yonke indawo, unikwe ireyithingi malunga ne-140 PSI. Umbhobho we-2-intshi weShedyuli engama-80, eneendonga ezityebileyo kwaye udla ngokuba ngwevu omnyama, ulinganiswe ngaphezu kwe-200 PSI. Awukwazi ukwandisa umthamo woxinzelelo lwenkqubo yakho ngokusebenzisa ivalve eyomeleleyo. Ukuba ufaka i-valve yeShedyuli 80 (elinganiselwe kwi-240 PSI) kumbhobho weShedyuli 40 (obekwe kwi-140 PSI), olona xinzelelo luphezulu lokhuseleko lwesixokelelwano sakho luseli-140 PSI kuphela. Umbhobho uba lelona khonkco libuthathaka. Kuyo nayiphi na inkqubo, kufuneka uchonge izinga loxinzelelo lwecandelo ngalinye-imibhobho, izifakelo, kunye neevalvu-kwaye uyila inkqubo yakho malunga neyona ndawo iphantsi.
Uthelekiso lweShedyuli yombhobho (Umzekelo: 2-intshi yePVC)
| Uphawu | Ishedyuli 40 PVC | Ishedyuli 80 PVC |
|---|---|---|
| Umbala | Ngesiqhelo White | Ngokuqhelekileyo iGrey emnyama |
| Ukutyeba kweendonga | Umgangatho | Ingqindilili |
| Ixabiso loxinzelelo | ~140 PSI | ~200 PSI |
| Ukusetyenziswa okuqhelekileyo | Imibhobho ngokubanzi, ukunkcenkceshela | Imizi-mveliso, uxinzelelo oluphezulu |
Ngaba iivalvu zebhola zePVC zilungile?
Ujonge ivalve yeplastiki ekhaphukhaphu kwaye ucinga ukuba ivakala inexabiso eliphantsi. Ngaba unokuthembela ngenene le nxalenye engabizi kakhulu ukuba ibe yinxalenye ethembekileyo kwinkqubo yakho yamanzi ebalulekileyo?
Ewe, umgangatho ophezuluIivalvu zebhola zePVCzilunge kakhulu ngokwenjongo yazo. Ixabiso labo alikho kumandla akhohlakeleyo, kodwa kwi-immunity yabo epheleleyo kwi-corrosion, eyenza ukuba bathembeke ngakumbi kunesinyithi kwizicelo ezininzi.
Umbono "wexabiso eliphantsi" livela ekuthelekiseni i-PVC nesinyithi. Kodwa oku kuyayiphosa ingongoma. Kwiinkqubo ezininzi zokufakwa kwamanzi, ngakumbi kwezolimo, ukulima emanzini, okanye kwiinkqubo zamachibi, umhlwa ngoyena nobangela wokusilela. Ivalve yobhedu okanye yentsimbi iya kuhlwa kwaye ibambe ngokuhamba kwexesha. Ivalve yePVC esemgangathweni, eyenziwe kwi-100% ye-virgin resin enezihlalo ezigudileyo ze-PTFE kunye ne-O-rings engafunekiyo, ayiyi. Iya kusebenza ngokutyibilikayo iminyaka kwindawo enokutshabalalisa isinyithi. UBudi uphumelela kubathengi abathandabuzayo ngokulungisa umbuzo kwakhona. Umbuzo awukho "ingaba iplastiki ilungile ngokwaneleyo?" Umbuzo ngulo "ingaba isinyithi sinokusinda emsebenzini?" Ukulawula amanzi abandayo, ngakumbi apho kukho imichiza okanye ityuwa, ivalve yePVC eyenziwe kakuhle ayilokhetho olulungileyo; lolona khetho lukrelekrele, oluthembekileyo, kunye noluneendleko eziphezulu kwixesha elide.
Ukuqukumbela
Ivalve yebhola ye-PVC inokusingatha i-150 PSI kwiqondo lokushisa. Ixabiso layo lokwenyani lilele ekuxhathiseni ukubola, kodwa lihlala libangela ubushushu kunye nehamile yamanzi kwinkqubo ekhuselekileyo nehlala ixesha elide.
Ixesha lokuposa: Jul-21-2025
