Kodi ma valve a mpira ndi abwinoko? Kuyerekeza ndi ma valve ena

Kodi valavu ya mpira ndi yabwino? Kuyerekeza kwathunthu ndi mavalavu a chipata, mavalavu a gulugufe ndi mavalavu a pulagi

Ponena za kusankha valavu yoyenera kugwiritsa ntchito inayake, zosankha zingakhale zovuta kwambiri. Mavalavu omwe amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana ndi monga mavalavu a mpira, mavalavu a chipata, mavalavu a gulugufe, ndi mavalavu a pulagi. Mtundu uliwonse wa valavu uli ndi mawonekedwe ake apadera, zabwino, ndi zoyipa zake. M'nkhaniyi, tifufuza kusiyana pakati pa mavalavu awa, kuyang'ana kwambiri mafunso otsatirawa: Kodi valavu ya mpira ndi yabwinoko?

Kumvetsetsa mitundu ya ma valve

1. Valavu ya mpira

Valavu ya mpirandi valavu yozungulira kotala yomwe imagwiritsa ntchito diski yozungulira (mpira) kuti ilamulire kuyenda kwa madzi. Mpirawu uli ndi dzenje pakati lomwe limalola madzi kudutsa valavu ikatsegulidwa. Vavu ikatsekedwa, mpirawo umazungulira madigiri 90, kuletsa kuyenda kwa madzi. Mavavu a mpira amadziwika chifukwa cha kulimba kwawo, kudalirika, komanso kuthekera kwawo kupereka chitseko cholimba.

Ubwino wa valavu ya mpira:

–Kugwira Ntchito Mwachangu: Kutembenuza kotala kokha kumafunika kuti mutsegule kapena kutseka valavu ya mpira, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsa ntchito zomwe zimafuna kutseka mwachangu.

–Kutsika Kochepa kwa Kupanikizika: Ikatsegulidwa bwino, valavu ya mpira imapereka mphamvu yochepa yolimbana ndi kuyenda kwa madzi, zomwe zimapangitsa kuti mphamvu ya mpweya itsike pang'ono.

–Kulimba: Valavu ya mpira imapangidwa ndi zinthu zolimba zomwe zimatha kupirira kuthamanga kwambiri ndi kutentha, zoyenera kugwiritsidwa ntchito m'njira zosiyanasiyana.

2. Valavu ya chipata

Valavu ya chipatandi valavu yoyenda molunjika yomwe imagwiritsa ntchito chipata (kapena wedge) kuti ilamulire kuyenda kwa madzi. Chipatacho chimakwera ndi kutsika kuti chitsegule kapena kutseka valavu. Mavalavu a chipata nthawi zambiri amagwiritsidwa ntchito m'malo omwe valavu imatsegulidwa kwathunthu kapena yotsekedwa kwathunthu, chifukwa siipangidwira kugwedezeka.

Ubwino wa valavu ya chipata:

–Kukana Kochepa kwa Kuyenda: Ikatsegulidwa bwino, valavu ya chipata imapereka njira yowongoka yolowera, zomwe zimapangitsa kuti pakhale kukana kochepa.

–Yoyenera kugwiritsidwa ntchito ndi kuthamanga kwamphamvuMa valve a pachipata amatha kupirira kuthamanga kwambiri ndipo amagwiritsidwa ntchito kwambiri pamafuta ndi gasi.

3. Valavu ya gulugufe

Vavu ya gulugufe ndi valavu yozungulira kotala yomwe imagwiritsa ntchito diski yozungulira kuti ilamulire kuyenda kwa madzi. Disikiyo imayikidwa pa shaft ndipo imatha kuzunguliridwa kuti itsegule kapena kutseka valavu. Mavavu a gulugufe amagwiritsidwa ntchito kwambiri m'mafakitale akuluakulu chifukwa cha kapangidwe kake kopepuka komanso kukula kwake kochepa.

Ubwino wa valavu ya gulugufe:

–Kapangidwe kosunga maloMa valve a gulugufe ndi ang'onoang'ono kuposa mitundu ina ya ma valve, zomwe zimapangitsa kuti akhale abwino kwambiri kugwiritsa ntchito komwe malo ndi ochepa.

–Yotsika mtengo: Kawirikawiri, ma valve a gulugufe ndi otsika mtengo kuposa ma valve a mpira ndi ma valve a chipata, zomwe zimapangitsa kuti akhale chisankho chotsika mtengo m'njira zambiri.

4. Valavu yolumikizira

Vavu yolumikizira ndi yofanana ndi valavu ya mpira, koma imagwiritsa ntchito pulagi yozungulira kapena yopapatiza kuti iyendetse kayendedwe ka madzi. Pulagiyo ili ndi dzenje lomwe limagwirizana ndi malo olowera ndi otulutsira madzi pamene valavuyo yatsegulidwa. Mavavu olumikizira amadziwika kuti ndi osavuta kugwiritsa ntchito komanso osavuta kugwiritsa ntchito.

Ubwino wa valavu yolumikizira:

–Kapangidwe kosavutaMa valve a pulagi ali ndi zigawo zochepa zosuntha, zomwe zimapangitsa kuti zikhale zosavuta kugwiritsa ntchito ndi kusamalira.

–Luso Labwino Lotsekera: Ikatsekedwa, chotchingira chimatseka mwamphamvu kuti chisatuluke.

Valavu ya mpira motsutsana ndi valavu ya chipata

Poyerekezama valve a mpira ndi ma valve a chipata, pali zinthu zingapo zofunika kuziganizira:

- Liwiro la NtchitoMa valve a mpira amagwira ntchito mofulumira kuposa ma valve a chipata, zomwe zimapangitsa kuti azigwiritsidwa ntchito bwino pa ntchito zomwe zimafuna kutsekedwa mwachangu.

–Kulamulira Kuyenda kwa MadziNgakhale ma valve onsewa sapereka mphamvu yokwanira yothira madzi akatsegulidwa kwathunthu, ma valve a mpira amapereka mphamvu yabwino yowongolera ma throttling.

–Kusindikiza magwiridwe antchitoMa valve a mpira nthawi zambiri amakhala ndi kutseka bwino kuposa ma valve a chipata, motero amachepetsa chiopsezo cha kutuluka kwa madzi.

Mwachidule, ma valve a mpira nthawi zambiri amaonedwa kuti ndi abwino kuposa ma valve a chipata m'magwiritsidwe ntchito omwe amafunikira kugwira ntchito mwachangu komanso kutsekedwa kodalirika.

Valavu ya mpira motsutsana ndi valavu ya gulugufe

Kuyerekeza ma valve a mpira ndi ma valve a gulugufe kukuwonetsa kusiyana kotsatira:

- Kukula ndi kulemeraMa valve a gulugufe nthawi zambiri amakhala opepuka komanso opapatiza kuposa ma valve a mpira, zomwe zimapangitsa kuti zikhale zosavuta kuziyika m'malo opapatiza.

–MtengoMa valve a gulugufe nthawi zambiri amakhala otsika mtengo kuposa ma valve a mpira, zomwe zimapangitsa kuti akhale chisankho chodziwika bwino chogwiritsidwa ntchito pazifukwa zazikulu.

–Kulamulira Kuyenda kwa Madzi: Poyerekeza ndi ma valve a gulugufe, ma valve a mpira ali ndi mphamvu zowongolera kuyenda kwa madzi ndi kutseka bwino, makamaka pakugwiritsa ntchito mphamvu zambiri.

Ngakhale ma valve a gulugufe angakhale oyenera kwambiri pazinthu zina, ma valve a mpira ndi omwe amakondedwa chifukwa cha kutseka kwawo bwino komanso kuwongolera kayendedwe ka madzi.

Valavu ya mpira motsutsana ndi valavu ya pulagi

Poyerekeza ma valve a mpira ndi ma valve a pulagi, ganizirani izi:

- Kuvuta kwa Kapangidwe: Kapangidwe ka valavu ya mpira ndi kovuta kwambiri kuposa valavu ya pulagi, zomwe zimapangitsa kuti ikhale yokwera mtengo kupanga.

–Kusindikiza Magwiridwe AntchitoMa valve onsewa ali ndi mphamvu zabwino zotsekera, koma ma valve a mpira nthawi zambiri amagwira ntchito bwino kwambiri akagwiritsidwa ntchito ndi mphamvu yamagetsi.

–NtchitoMa valve a mpira amagwira ntchito mwachangu poyerekeza ndi ma valve a pulagi, zomwe zingafunike khama lalikulu kuti pulagi izungulire.

Nthawi zambiri, ma valve a mpira amakondedwa kuposa ma valve a pulagi chifukwa cha magwiridwe antchito awo abwino komanso kugwiritsa ntchito mosavuta.

Kodi valavu ya mpira ndi yabwino?

Kaya valavu ya mpira ndi yabwino kuposa mitundu ina ya mavalavu zimatengera momwe imagwiritsidwira ntchito komanso zofunikira zake. Nazi mfundo zofunika kuziganizira:

1. Zofunikira pa Ntchito

- Kupanikizika ndi KutenthaMa valve a mpira ndi oyenera kugwiritsidwa ntchito pa kutentha kwambiri komanso kuthamanga kwambiri, zomwe zimapangitsa kuti akhale abwino kwambiri m'mafakitale monga mafuta ndi gasi, kukonza mankhwala, komanso kupanga magetsi.

–Zofunikira pa Kulamulira Kuyenda kwa MadziNgati pakufunika kuwongolera bwino kayendedwe ka madzi, ma valve a mpira nthawi zambiri amakhala chisankho choyamba chifukwa amapereka chisindikizo cholimba komanso kukana pang'ono kayendedwe ka madzi.

2. Kukhazikitsa ndi Kusamalira

- Zosavuta KukhazikitsaMa valve a mpira nthawi zambiri amakhala osavuta kuyika ndipo safuna kukonzedwa kwambiri, zomwe zimapangitsa kuti akhale chisankho chothandiza pa ntchito zambiri.

–Kulimba: Kapangidwe kolimba ka valavu ya mpira kumatsimikizira kuti imagwira ntchito nthawi yayitali, zomwe zimachepetsa kufunika kosintha pafupipafupi.

3. Zoganizira za Mtengo

- Kuyika Ndalama KoyambaNgakhale ma valve a mpira ali ndi mtengo woyambira wokwera poyerekeza ndi mitundu ina ya ma valve, kulimba kwawo komanso zosowa zochepa zosamalira zimatha kusunga ndalama pakapita nthawi.

Pomaliza

Mwachidule, ma valve a mpira amapereka zabwino zambiri kuposa ma valve a chipata, gulugufe, ndi pulagi, makamaka pa ntchito zomwe zimafuna kugwira ntchito mwachangu, kutseka kodalirika, komanso mphamvu zokweza mphamvu. Ngakhale kuti mtundu uliwonse wa valavu uli ndi mawonekedwe ake apadera komanso zabwino zake, ma valve a mpira nthawi zambiri amaonedwa kuti ndi chisankho chabwino kwambiri pa ntchito zambiri zamafakitale. Posankha valavu, ndikofunikira kuganizira zofunikira za ntchitoyo, kuphatikizapo kuthamanga, kutentha, zosowa zowongolera kuyenda kwa madzi, ndi zoletsa bajeti. Pomaliza, kusankha valavu yoyenera kudzadalira zosowa zapadera za dongosolo lomwe valavu idzagwiritsidwe ntchito.

Monga opanga otsogola ku China, tikumvetsa kufunika kosankha valavu yoyenera zosowa zanu. Timapereka mitundu yosiyanasiyana ya mavalavu a mpira, mavalavu a chipata, mavalavu a gulugufe ndi mavalavu a pulagi apamwamba omwe adapangidwa kuti akwaniritse zosowa zosiyanasiyana zamafakitale osiyanasiyana. Kaya mukufuna mavalavu ogwiritsira ntchito mphamvu zambiri kapena mayankho otsika mtengo pamapulojekiti akuluakulu, tili ndi ukadaulo ndi zinthu zomwe zingakuthandizeni kusankha bwino.