Iivalvu ezininzi zaseTshayina zithunyelwa kumazwe ahlukeneyo kwihlabathi liphela, kwaye uninzi lwabathengi bamanye amazwe abaqondi ukubaluleka kwenombolo yeevalvu zaseTshayina, namhlanje siza kukusa ekuqondeni okuthile, sinethemba lokuba inokunceda abathengi bethu.
ETshayina, iintlobo zeevalvu kunye nezixhobo ziya zisanda, ukulungiswa kweemodeli zeevalvu kuyinkimbinkimbi ngakumbi; iimodeli zeevalvu kufuneka zibonise uhlobo lwevalvu, imo yokuqhuba, uhlobo loqhagamshelo, iimpawu zesakhiwo, uxinzelelo oluqhelekileyo, izinto zomphezulu wokutywina, izixhobo zomzimba weevalvu kunye nezinye izinto. Ukulungiswa kwemodeli yeevalvu yoyilo lweevalvu, ukhetho, usasazo, kubonelela ngendlela elula yokuvumela abasebenzisi ukuba bajonge ipleyiti yegama baya kwazi isakhiwo sohlobo oluthile lweevalvu, izixhobo kunye neempawu.
Ngoku masithathe umzekelo:
I-D341X-16Q, ithetha ①Ivalvu yebhabhathane-②Izixhobo zeWorm ezisetyenziswayo-③Uhlobo oluphindwe kabini-④Ulwakhiwo olusembindini-⑤PN16-⑥Intsimbi ethambileyo.
Iyunithi 1: Ikhowudi yohlobo lwevalvu
| Uhlobo | Ikhowudi | Uhlobo | Ikhowudi |
| Ivalvu yebhabhathane | D | Ivalvu yeDiaphragm | G |
| Ivalvu yeSango | Z | Ivalvu yoKhuseleko | A |
| Jonga iValve | H | Ivalvu yePlug | X |
| Ivalvu yeBhola | Q | Ivalvu yokulahla inkunkuma | FL |
| Ivalvu yeGlobe | J | Isihluzi | GL |
| Ivalvu Yokunciphisa Uxinzelelo | Y |
Iyunithi 2: Ikhowudi yeValve Actuator
| I-Actuator | Ikhowudi | I-Actuator | Ikhowudi |
| IiSolenoids | 0 | I-Bevel | 5 |
| I-electromagnetic-hydraulic | 1 | I-Pneumatic | 6 |
| I-Electro-hydraulic | 2 | iHydraulic | 7 |
| Izixhobo | 3 | I-Pneumatic-hydraulic | 8 |
| Izixhobo zeSpur | 4 | Umbane | 9 |
Iyunithi 3: Ikhowudi yoQhagamshelo lweValve
| Uqhagamshelo | Ikhowudi | Uqhagamshelo | Ikhowudi |
| Umsonto Wabasetyhini | 1 | Isonka esisicaba | 7 |
| Umsonto Wangaphandle | 2 | I-Clamp | 8 |
| Iflengi | 4 | I-Ferrule | 9 |
| Ukuwelda | 6 |
Iyunithi 4, Ikhowudi yoLwakhiwo lweValve Model
Ifom yesakhiwo sevalvu yebhabhathane
| Ulwakhiwo | Ikhowudi |
| Isebenziseke | 0 |
| Ipleyiti ethe nkqo | 1 |
| Ipleyiti yokuthambeka | 3 |
Ifom yesakhiwo sevalvu yesango
| Ulwakhiwo | Ikhowudi | |||
| Isiqu Esinyukayo | I-Wedge | Isango Eliqinileyo | 0 | |
| Isango lesinyithi | Isango Elinye | 1 | ||
| Isango Eliphindwe Kabini | 2 | |||
| I-parallel | Isango Elinye | 3 | ||
| Isango Eliphindwe Kabini | 4 | |||
| Uhlobo lweWedge olunganyukiyo | Isango Elinye | 5 | ||
| Isango Eliphindwe Kabini | 6 | |||
Jonga ulwakhiwo lwevalvu
| Ulwakhiwo | Ikhowudi | |
| Nyusa | Ngqo | 1 |
| Nyusa | 2 | |
| Ukujija | Ipleyiti enye | 4 |
| Iipleyiti ezininzi | 5 | |
| Ipleyiti ephindwe kabini | 6 | |
Iyunithi 5: Ikhowudi yezinto zokutywina zevalvu
| Izinto zokutywina okanye zokugquma izihlalo | Ikhowudi | Izinto zokutywina okanye zokugquma izihlalo | Ikhowudi |
| Inayiloni | N | Ii-Alloys ezifakwe i-Pasteurized | B |
| IMonel | P | Ii-enamel | C |
| Inkokeli | Q | Intsimbi yokukhupha amanzi | D |
| Intsimbi Engagqwaliyo yeMo2Ti | R | Intsimbi Engagqwaliyo eyi-18-8 | E |
| Iplastiki | S | I-Fluoroelastomer | F |
| I-Alloy yeCopper | T | Iglasi yefayibha | G |
| Irabha | X | Intsimbi Engagqwaliyo yeCr13 | H |
| I-Carbide enesamente | Y | Ilaphu lerabha | J |
| Ukutywina umzimba | W | I-Monel Alloy | M |
Iyunithi 6, imodeli yoxinzelelo lweValve
Amaxabiso oxinzelelo oluqhelekileyo achazwa ngokuthe ngqo ngamanani esiArabhu (__MPa). Ixabiso le-MPa liphindaphindwe kalishumi kunenani leekhilogram.Phakathi kweeyunithi zesihlanu nezesithandathu, kusetyenziswa ibha ethe tyaba ukuqhagamshela. Emva kwebha ethe tyaba, ichazwa ngexabiso loxinzelelo oluqhelekileyo lweyunithi yesithandathu. Ingcinezelo ebizwa ngokuba yi-nominal yingcinezelo enokunyanyekelwa yivalvu ngokwegama.
Iyunithi 7, uMyili wezinto zoMzimba weValve
| Izinto zomzimba | Ikhowudi | Izinto zomzimba | ikhowudi |
| Ii-alloys zeTitanium kunye neTitanium | A | Intsimbi engenasici yeMo2Ti | R |
| Intsimbi yeCarbon | C | Iplastiki | S |
| Intsimbi engagqwaliyo yeCr13 | H | Ii-alloys zeCopper kunye neCopper | T |
| intsimbi ye-chrome-molybdenum | I | Intsimbi Engagqwaliyo eyi-18-8 | P |
| Isinyithi Esithambileyo Esithambileyo | K | Jula i-ayini | Z |
| I-aluminiyam | L | Intsimbi ethambileyo | Q |
Indima yokuchongwa kwevalvu
Ukuchongwa kweevalvu xa kungekho mizobo yeevalvu, i-nameplate elahlekileyo kunye neendawo zeevalvu azikagqitywa, ukusetyenziswa ngokuchanekileyo kweevalvu, iindawo zeevalvu zokuwelda, ukulungiswa kunye nokutshintshwa kweendawo zeevalvu kubalulekile. Ngoku ukuphawulwa kweevalvu, ukuchongwa kwezinto kunye nokuchongwa kweevalvu kuchazwe ngezantsi:
Ulwazi olufunyenweyo ngokusebenzisa "ulwazi olusisiseko lwevalvu" lusekelwe kwigama kunye nelogo kwivalvu kunye nevalvu kumbala wepeyinti. Ungaluchonga ngokuthe ngqo udidi lwevalvu, uhlobo lolwakhiwo, izinto, ububanzi obuqhelekileyo, uxinzelelo oluqhelekileyo (okanye uxinzelelo olusebenzayo), imidiya eguquguqukayo, ubushushu kunye necala lokuvala.
1.Ipleyiti yegama inamathele emzimbeni wevalvu okanye kwivili lesandla. Idatha ekwipleyiti yegama iphelele ngakumbi kwaye ibonisa iimpawu ezisisiseko zevalvu. Ngokutsho komenzi kwipleyiti yegama, kumenzi wemizobo kunye nolwazi lwezixhobo zevalvu ezinxitywayo; ngokomhla wokwenziwa kwereferensi yokulungiswa; ngokwepleyiti yegama inika imiqathango yokusetyenziswa, ukumisela ukutshintshwa kweegasket, izixhobo zepleyiti yevalvu kunye neefom kunye nokumisela ukutshintshwa kwezinye iindawo zevalvu zezinto.
2.Ukumakisha kusetyenziswa ukuphosa, ukubhala amagama kunye nezinye iindlela emzimbeni wevalvu eziphawula uxinzelelo oluqhelekileyo lwevalvu, uxinzelelo olusebenzayo, i-caliber eqhelekileyo kunye necala eliphakathi lokuhamba.
3.Ivalvu kukho uhlobo lokuphawula imiyalelo yokuvula nokuvala, ivule isikali somlawuli okanye ibonisa ukuvulwa nokuvalwa kotolo. Iivalvu zombhobho, iivalvu zesango elimnyama ziphawulwe ngemiyalelo yokutshintsha kwisiphelo esiphezulu sevili lesandla ziphawulwe ngotolo olukhomba kwicala lokuvula nokuvala.