Ma valve ndi zida zothandiza zomwe zimathandiza kuwongolera, kuchepetsa, ndikutseka kuyenda kwa madzi mu dongosolo. Mu njira yothirira m'munda, mutha kugwiritsa ntchito ma valve kuti muwongolere nthawi yomwe zomera zosiyanasiyana zimathiriridwa. Ngakhale kuti ma valve nthawi zambiri amaonedwa kuti ndi othandiza, kusankha valavu yoyenera kungakhale kokhumudwitsa. Timamva kuchokera kwa makasitomala ambiri: "Mitundu yambiri! Ena amachita zinazake ngati zimenezo! Sindikudziwa mtundu wa valavu yoti ndigwiritse ntchito!"

Musadandaule! Pa PVC Fittings Online timapereka mitundu yonse yayikulu ya ma valve. Mu positi iyi ya blog, tifotokoza zomwe zimapangitsa kuti chilichonse chikhale chapadera. Kwa ogwiritsa ntchito wamba, chinthu chofunikira kukumbukira ndichakuti valavu imatha kuchita chimodzi mwa zinthu ziwiri: kutseka kapena kulamulira. Ma valve ena amachita chilichonse/zonse ziwiri, koma iyi ndi njira yosavuta yoganizira zomwe mukufuna kuti valavu ichite. Ingakuthandizeni kusankha valavu yoyenera. Tsopano tikambirana za magulu onse akuluakulu a ma valve.

Valavu ya mpira
Valavu ya mpira wa PVC posankha valavu yoyenera Valavu ya mpira wa imvi ndi chitsanzo chabwino cha valavu yozungulira. Amagwiritsa ntchito mipando yozungulira kuti ayimitse kapena kulola kuti madzi ayende. Pali dzenje pakati pa mpira kotero kuti madzi amatha kudutsa pamene chogwiriracho chatembenuzidwa kukhala malo "oyatsa". Chogwiriracho chikazunguliridwa madigiri 90 kufika pamalo "oyatsa", madziwo amagunda mbali yolimba ya mpirawo ndikuyima.

Valavu ya mpira wa PVC yomwe ili pachithunzichi yachotsedwa kuti muwone momwe imagwirira ntchito mkati mwake. Iyi imagwiritsa ntchito mphete ya rabara ya O kuti itsimikizire kuti yatsekedwa. Mavavu a mpira ndi mavavu ozungulira chifukwa nthawi zambiri samapangidwira kuti atsegulidwe pang'ono. Amatanthauza kutsegulidwa kwathunthu kapena kutsekedwa kwathunthu. Kutengera mtundu wa valavu ya mpira yomwe mumagula, imatha kutsika pang'ono. Izi zili choncho chifukwa m'mimba mwake mwa dzenje la mpira wa valavu nthawi zambiri amakhala wocheperako kuposa m'mimba mwake mwa chitolirocho.

Valavu ya gulugufe
Kusankha valavu yoyenera ya gulugufe kungathandize ngati valavu yozungulira kapena valavu yowongolera. Amatha kutseka kwathunthu kuyenda kwa madzi kapena kukhalabe otseguka pang'ono, motero amaletsa kuyenda kwa madzi. Kulamulira kuyenda kwa madzi n'kothandiza ngati mukufuna kuchepetsa kuthamanga kwa madzi m'thupi lanu. Kuyenda kwa madzi kudzera m'malo otseguka pang'ono kudzachepetsedwa, kuchepetsa kuthamanga kwa madzi pansi pa chitoliro, kutengera momwe valavuyo yatsegulidwira. Mavalavu a gulugufe angagwiritsidwenso ntchito ngati mavalavu ozungulira a madigiri 90 pongosintha pakati pa malo a "kuyatsa" ndi "kuzimitsa".

Ma valve a gulugufe amagwiritsa ntchito diski yomwe imazungulira tsinde lapakati kuti ilamulire kuyenda kwa madzi. Valavu ya gulugufe ya PVC yomwe ili pachithunzichi ili ndi chogwirira chomwe chimayimitsa ndikutseka pakati pa kutsegula kwathunthu kapena kutsekedwa. Izi zimathandiza kulamulira molondola. Chinthu chachikulu chomwe muyenera kudziwa mukamagwiritsa ntchito ma valve a gulugufe ndichakuti amafunika ma flange oyika. Simungathe kungowalumikiza ku mapaipi. Izi zimapangitsa kuti kuyika kukhale kovuta, koma sikungatheke! Chinthu china chofunikira cha ma valve a gulugufe ndikuti pali kutsika kwa kuthamanga kwa magazi chifukwa diski nthawi zonse imakhala mumadzi.

Geti

Valavu ya chipata cha imvi yokhala ndi chogwirira chofiira cha pvcValavu ya chipata cha imvi, ngakhale kuti nthawi zambiri imagwiritsidwa ntchito ngati valavu yotseka, ingagwiritsidwenso ntchito ngati valavu yowongolera. Amagwiritsa ntchito "zipata" zotsika kapena zokwera kuti azilamulira kuyenda kwa madzi. Valavu ikatsegulidwa, chipatacho chimasungidwa pamwamba pa valavu, komwe ndi komwe valavu ya chipata imapeza mawonekedwe ake apadera. Mosiyana ndi mavavu awiri oyamba, valavu ya chipata si valavu yozungulira kotala. Amagwiritsa ntchito gudumu lamanja kutsegula/kutseka, pomwe mavavu a mpira ndi gulugufe amagwiritsa ntchito chogwirira cha lever. Izi zimapangitsa kuti zikhale zosavuta kusunga zotseguka pang'ono komanso zimapangitsa kuti kusintha kulikonse kukhale kosavuta.

Njira imodzi yogwiritsira ntchito valavu ya chipata polamulira kuyenda kwa madzi ndi yakuti madziwo adzagunda pamwamba pa chipata chosalala. Kutengera kuchuluka kwa kupanikizika komwe kuli mu dongosololi, izi zitha kuyambitsa kuwonongeka pakapita nthawi. Vavu ya chipata yomwe ili pachithunzichi ndi kapangidwe kake kogwirizana, zomwe zikutanthauza kuti ikhoza kusweka mosavuta. Izi ndi zabwino kwambiri poyeretsa, kukonza ndi kukonza. Mavavu a chipata safuna ma flange; amatha kuyikidwa mwachindunji mupaipi.

Chongani valavu
Ma valve owunikira a PVC swing check valve a blueCheck amapezeka m'njira zosiyanasiyana. Ntchito yayikulu ya valve yowunikira ndikuletsa kubwerera kwa madzi. Izi zimapangitsa kuti azilamulira ma valve chifukwa amawongolera njira yoyendera. Ma valve owunikira amayendetsedwa ndi madzi omwe ali mumzere osati ndi wogwiritsa ntchito, zomwe zimawasiyanitsa ndi ma valve omwe tawafufuza kale. Ma valve owunikira amabwera m'njira zosiyanasiyana, koma tidzangokambirana mitundu iwiri yodziwika bwino.

Valavu yowunikira swing ndi valavu yomwe imagwiritsa ntchito ntchito yowunikira swing kuti isabwerere m'mbuyo mu dongosolo. Valavu yowunikira swing ya PVC yomwe ili kumanja ili ndi diski yomwe imatsegula ngati madzi apita mbali yomwe mukufuna. Ngati china chilichonse chikuyesera kubweza kuyenda, diskiyo imatsekedwa, zomwe zimaletsa kuyenda. Ma valavu owunikira swing amachititsa kuti kuthamanga kuchepe chifukwa diskiyo imatsegulidwa mokwanira panthawi yogwira ntchito. Valavu yowunikira ya mpira wa PVC yowonekera bwino.