Umahluko phakathi kweSiphelo esiPhakathi kunye nesiPhakathi esiPhakamileyo sokutywina iiValufa zebhabhathane

1. Ukukhethwa kwezinto

Iivalve eziphantsi

• Umzimba/Izixhobo zeDiskhi: Ngokuqhelekileyo sebenzisa iintsimbi ezinexabiso eliphantsi njengeJula i-ayiniokanye intsimbi yekhabhoni engafakwanga, enokuthi ingabi nakumelana ne-corrosion kwindawo enzima.
• Izangqa zokutywina: Made of elastomers ezisisiseko ezifanaNR (irabha yendalo)okanye i-EPDM ephantsi, enokuchasana kweekhemikhali kunye nokunyamezela ukushisa (umzekelo, ≤80 ° C / 176 ° F).
• Umphini: Ihlala yakhiwe ngentsimbi yekhabhoni eqhelekileyo ngaphandle konyango lomphezulu, ithanda ukurusa kwiimeko ezimanzi okanye ezineasidi.

Iivalvu eziPhakamileyo 

• Umzimba/Izixhobo zeDiskhi: Sebenzisa izinto ze-premium ezifana nentsimbi engatyiwa (SS304/316), intsimbi ye-ductile, okanye i-aluminium yobhedu yokumelana nokugqwesa okuphezulu kunye namandla omatshini.
• Izangqa zokutywina: Sebenzisa ii-elastomers ezisebenza kakhulu ezifana ne-FDA-ethobela i-EPDM, i-NBR, i-PTFE, okanye i-Viton®，umnikelo brukuhambelana kweekhemikhali ze-oader (umzekelo, ukumelana neeoli, iiasidi, okanye izinyibilikisi) kunye nemigangatho yobushushu obuphezulu (-20 °C ukuya ku-150 ° C / -4 ° F ukuya ku-302 ° F).
• Umphini: Yenziwe ngensimbi engenasici (SS410/316) enemigangatho epholisiweyo okanye egqunyiweyo (umzekelo, i-nickel plating) ukukhusela ukunxiba kunye nokuvuza.

1. Uyilo loLwakhiwo kunye nokuVeliswa

Iivalve eziphantsi

• Uyilo oluLula: Isiseko esingundoqo okanye i-single-eccentric izakhiwo ezichanekileyo zokutywinwa okulinganiselwe. I-disc kunye nesitulo sinokuba nomatshini orhabaxa, okhokelela kwi-friction ephezulu kunye ne-torque.
• Indibano: Idla ngokuveliswa ngobuninzi ngolawulo lobulunga obuncinci, okukhokelela kunyamezelo olungahambelaniyo. Iireyithi zokuvuza zingasilela ukuhlangabezana nemigangatho engqongqo (umzekelo, ukudlula i-ANSI B16.104 iimfuno zeKlasi VI).
• Intshukumo:Ngokuqhelekileyo idityaniswe nezibambo zemanyuwali eziphantsi kwexabiso eliphantsi okanye i-actuator yombane esisiseko, eswele ukuqina ukuze isebenze rhoqo.

Iivalvu eziPhakamileyo

• Uyilo oluPhezulu: UphawuIzakhiwo ezine-eccentric ezimbini okanye ezintathu-eccentricukunciphisa ukukhuhlana, ukwandisa ukusebenza kakuhle kokutywina, kunye nokunciphisa ukuguga. Umzekelo, uyilo lwe-double-eccentric lwenza "impembelelo yomtshato" yokuvalwa okungqongqo.
• Uveliso oluchanekileyo: Yenziwe ngezixhobo ezichanekileyo ze-CNC ezichanekileyo, ukuqinisekisa ukuhamba kakuhle kwediski kunye noqhagamshelwano olufanelekileyo lokutywinwa. Amazinga okuvuza ahlala edibana okanye adlule kwi-ISO 15848-1 (umzekelo, iKlasi A eqinile ngeBubble).
• Intshukumo: Iyahambelana ne-premium actuators (i-pneumatic, i-hydraulic, okanye i-actuator yombane ehlakaniphile) kwi-high-speed, izicelo ezijikelezayo. Ezinye iimodeli zibandakanya ii-positioners okanye izivamvo zempendulo ze-automation.

3. Ukusebenza kunye nokuthembeka

Iivalve eziphantsi

• Uxinzelelo/iqondo lobushushu: Ifanelekile kwiinkqubo zoxinzelelo oluphantsi (umzekelo, ≤PN10 / iKlasi ye-125) kunye nemigangatho yokushisa encinci. Inokusilela kuxinzelelo oluphezulu (umzekelo, >PN16) okanye ubushushu obugqithisileyo (-10°C ukuya kuma-90°C) kubume bendawo.
• Ubomi Benkonzo: Ifutshane ngenxa yokuqina kwempahla kunye neziphene zoyilo, ezifuna ukulungiswa rhoqo okanye ukutshintshwa (umzekelo, imijikelo eyi-10,000–20,000).
• Umngcipheko wokuvuza: Amathuba aphezulu okuguqulwa kwetywina okanye ukubola kweshaft, okukhokelela ekuvuzeni kokusingqongileyo okanye ukusilela kwenkqubo.

Iivalvu eziPhakamileyo

• Uxinzelelo/iqondo lobushushu: Yenzelwe iinkqubo zoxinzelelo oluphakathi ukuya phezulu (umzekelo, i-PN16-PN40 / i-Class 150-Class 300) kunye nemigangatho yokushisa ebanzi (-30 ° C ukuya kwi-200 ° C / -22 ° F ukuya kwi-392 ° F).
• Ubomi Benkonzo: Yenzelwe ukuthembeka kwexesha elide, kunye nobomi bomjikelezo obudlula imisebenzi eyi-100,000. Ezinye iimodeli zeprimiyamu zibonelela ngeewaranti zobomi bonke.
• Ulawulo lokuvuza: Iimpawu eziphambili kunye ne-anti-bloom shafts zinciphisa umngcipheko wokuvuza, okwenza ukuba zilungele izicelo ezibalulekileyo ezifana neenkqubo zegesi okanye ukuphatha umbane onobungozi.

4. Izicelo

Iivalve eziphantsi

• Ifanelekile: Izicelo ezingabalulekanga, ezinomngcipheko omncinci kunye neemfuno ezisisiseko zolawulo lokuhamba, ezifana:
• Iinkqubo zokubonelela ngamanzi kwindawo yokuhlala
• Umbhobho weHVAC olula
• Ukunkcenkceshela okuphantsi koxinzelelo okanye ukuhambisa amanzi
• Kuphephe ukusebenzisa kwi: Imibhobho yemizi-mveliso enoxinzelelo oluphezulu, imithombo yeendaba eyonakalisayo, okanye iindawo ezikhuselekileyo zokhuseleko (umzekelo, i-oyile negesi, amayeza).

Iivalvu eziPhakamileyo

• Ilungele: Ukufuna izicelo zoshishino kunye nezorhwebo, kuquka:
• Amaziko okulungisa imichiza (ulwelo oludlekayo)
• Ukutya kunye nemveliso yesiselo (imigangatho yococeko)
• Ukuveliswa kombane (umphunga oshushu kakhulu)
• I-oyile nerhasi (iimfuno ezinobungqina bokudubula)
• ImiGangatho ePhambili: Ihlala iqinisekisiwe kwi-ISO, API, ASME, okanye i-ATEX ngokuthobela ukhuseleko lwamazwe ngamazwe kunye nemimiselo yomgangatho.

5. Iindleko kunye noLondolozo

Iivalve eziphantsi

• Iindleko zokuqala: Ixabiso eliphantsi kakhulu (i-20-50% ngaphantsi kweemodeli ze-middle-end-end), ezibenza babe nomtsalane kwiiprojekthi ezinohlahlo lwabiwo-mali.
• Isondlo: Iindleko eziphezulu zexesha elide ngenxa yokutshintshwa kwetywina rhoqo, ukuthambisa i-shaft, okanye ukulungiswa komhlwa.
• Umngcipheko wexesha lokuphumla: Ukuchaneka ngakumbi kwiintsilelo ezingalindelekanga, ezikhokelela kwilahleko yemveliso kwiindawo zoshishino.

Ukukhetha iValve eLungileyo (umz.Ivalve ye-TWS)

• Isiphelo esiphantsi: Ifanelekile ukusetyenziswa kwexesha elifutshane, okungabalulekanga kangako apho ixabiso liyinkxalabo ephambili.
• Mid-High-End: Tyala kwezi zinto ukwenzela ukuthembeka, ukhuseleko, kunye nokusebenza kwexesha elide kwizicelo ezicela umngeni. Hlala uqwalasela uhlobo lwemidiya, iimeko zokusebenza, kunye neemfuno zokuthotyelwa xa ukhetha ivalve.

 

Olu mahluko lubonisa ukuba kutheni iivalvu eziphakathi ziphezuluD371X-16Qzikhethwa kumashishini abeka phambili ukhuseleko kunye nokusebenza kakuhle, ngelixa ukhetho olusezantsi lusebenza kwiimfuno ezisisiseko, eziqhutywa yindleko.

Itywina elithambileyo, ukusebenza nzimaivelufa yebhabhathane, Ivalvu yebhabhathane ephindwe kabini I-D34B1X-10Q, Ivalve yesango, i-Y-strainer,Ivalve yokujonga iipleyiti ezimbini,-Yenzelwe izisombululo zeLeak Fredd. Ukutywinwa okuQinisekileyo, ukuthembeka okungahambelaniyo, iNgcali yakho yoLawulo lokuhamba.