Valve ya butterfly

Vavu ya butterfly ndi ya gulu la quarter valve.Ma valve a Quarter amaphatikizapo mitundu ya valve yomwe imatha kutsegulidwa kapena kutsekedwa potembenuza tsinde kotala.Muvalavu butterfly, pali chimbale cholumikizidwa ku tsinde.Ndodoyo ikazungulira, imazungulira diski ndi kotala, zomwe zimapangitsa kuti diskiyo igwe molunjika kumadzimadzi ndikusiya kuyenda.Kuti mubwezeretse kutuluka, tsinde imatembenuza diski kubwerera kumalo ake oyambirira, kutali ndi kutuluka.

Mavavu agulugufe ndi otchuka chifukwa ndi osavuta kukhazikitsa, otsika mtengo, ndipo amapezeka pafupifupi masikelo onse.Izi nthawi zambiri zimagwiritsidwa ntchito poyang'anira ndikusintha zolinga.

Kugwiritsa ntchito valve ya butterfly

Mavavu agulugufe ndi ofunikira pamachitidwe ndi magwiridwe antchito m'mafakitale ambiri osiyanasiyana.Izi ndichifukwa cha kukula kwawo komanso kuthekera kowongolera kutuluka kwamadzi, gasi ndi matope.Mavavu agulugufe sangangoyimitsa kapena kuyamba kuyenda, komanso kuchepetsa kapena kuchepetsa kuyenda monga momwe akufunira pamene atsegulidwa pang'ono.

Makasitomala ochokera m'mafakitale ambiri amagula ma valve agulugufe, kuphatikiza omwe ali m'minda yopangira chakudya (zamadzimadzi), zomera zamadzi, ulimi wothirira, kupanga mapaipi, kupanga mafakitale, makina otenthetsera ndi kayendedwe ka mankhwala.

Ngakhale ma valve a butterfly ali ndi ntchito zosiyanasiyana zomwe zingatheke, ntchito zina zapadera zimaphatikizapo vacuum, kubwezeretsa mafuta, mpweya woponderezedwa, kuzizira kwa mpweya ndi madzi, HVAC, ntchito yamatope, ntchito yamadzi yothamanga kwambiri, ntchito yamadzi otentha kwambiri, ntchito ya nthunzi ndi chitetezo cha moto.

Chifukwa cha kusiyanasiyana kwa mapangidwe ndi zipangizo, ma valve a butterfly ali ndi ntchito zosiyanasiyana.Izi zitha kuyikidwa mu chitoliro chilichonse, kuchokera kumadzi oyera kupita kumadzi opera kapena slurry.Izi nthawi zambiri zimagwiritsidwa ntchito popaka matope kapena zinyalala, ntchito za vacuum, ntchito za nthunzi, madzi ozizira, mpweya, kapena gasi.

Ubwino ndi kuipa kwa valavu ya butterfly

Mavavu a butterflyperekani ogwiritsa ntchito zabwino zambiri.Choyamba, iwo ali ndi compact design.Chifukwa cha kapangidwe kameneka, amafunikira malo ochepa ogwirira ntchito kuposa ma valve ena ambiri.Kachiwiri, mtengo wokonza agulugufe ndi wotsika kwambiri.Chachiwiri, amapereka kuchulukana kwa magalimoto pamsewu.Apanso, sizikutha, koma zimatha kutsegulidwa mosavuta pakafunika.Ubwino wina wa valavu ya butterfly ndi mtengo wake wotsika.

Ubwino wa vavu butterfly

1. Chifukwa cha kukula kwawo kochepa komanso kamangidwe kameneka, mtengo wa kukhazikitsa ndi wotsika kwambiri.

2. Ma valve awa amakhala ndi malo ochepa kwambiri poyerekeza ndi ma valve ena.

3. Kuthamanga kwachangu kumapangitsa kuti ikhale yofulumira komanso yothandiza kwambiri kuposa ma valve ena.

4. Chifukwa cha mapangidwe amitundu yambiri komanso magawo ochepa osuntha, amafunikira kusamalidwa pang'ono, motero amachepetsa kwambiri nyengo.

5. Zida zosiyanasiyana zapampando zimapangitsa kuti zikhale zosavuta kugwiritsa ntchito m'madera amitundu yonse, ngakhale malo opweteka.

6. Mavavu agulugufe amafuna zinthu zochepa, zosavuta kupanga ndi kupanga, ndipo nthawi zambiri zimakhala zotsika mtengo kusiyana ndi mitundu ina ya ma valve.

7. Ma valve a butterfly angagwiritsidwe ntchito pazinthu zosiyanasiyana, kuphatikizapo kuika pansi pa nthaka.

Zoyipa za valavu ya butterfly

Zowonadi, kuipa kwa mavavu agulugufe kumaposa zabwino zake.Koma musanagwiritse ntchito mavavu amenewa, pali zinthu zina zofunika kuzikumbukira.

1. Ngakhale itatsegulidwa kwathunthu, kagawo kakang'ono ka disc kadzalepheretsa kuyenda kwazinthu.Izi zingakhudze kusuntha kwa malo a disk ndi kusinthana kwapaipi mu chitoliro.

2. Ntchito yosindikiza si yabwino ngati ma valve ena.

3. Kuthamanga kumangogwiritsidwa ntchito ku ntchito yochepetsetsa yotsika.

4. Vavu ya butterfly nthawi zonse imakhala ndi chiopsezo chotsekereza kutuluka kapena cavitation.

Mapangidwe a valve ya butterfly

Mavavu agulugufe ali ndi mikhalidwe ingapo yayikulu.Izi zikuphatikizapo thupi, disc, tsinde, ndi mpando.Amakhalanso ndi actuator, monga lever.Wogwira ntchitoyo akhoza kusinthasintha valve actuator kuti asinthe malo a disk.

Thupi la valve limayikidwa pakati pa ma flanges awiri a chitoliro.Zodziwika kwambiri pamapangidwe osiyanasiyana amthupi ndi ma lugs ndi ma disc.

Mfundo yogwirira ntchito ya disc ya valve ndi yofanana ndi chipata cha valve pachipata, pulagi mu valavu ya pulagi, mpira mu valve.valavu ya mpira, etc. Pamene izo zimayenda 90 ° kuyenda limodzi ndi madzimadzi, chimbale ali poyera udindo.Pamalo awa, disc imalola kuti madzi onse azitha kudutsa.Pamene diski ikuzungulira kachiwiri, diski imalowa m'malo otsekedwa ndikulepheretsa kutuluka kwa madzi.Kutengera mawonekedwe a disc ndi kapangidwe kake, wopanga amatha kugwiritsa ntchito torque, kusindikiza ndi / kapena kuyenda.

Tsinde la valve ndi shaft.Ikhoza kukhala chidutswa chimodzi kapena ziwiri.Ngati ili yotsiriza, imatchedwa tsinde logawanika.

Mpandowo umalumikizidwa ndi thupi lagalimoto mwa kukanikiza, kulumikiza kapena kutseka njira.Wopanga nthawi zambiri amapanga mpando wa valve ndi polima kapena elastomer.Cholinga cha mpando wa valve ndi kupereka ntchito yotseka valve.Ichi ndichifukwa chake mphamvu yozungulira yofunikira kuti valve ya butterfly itseke imatchedwa "torque yapampando", pomwe mphamvu yozungulira yofunikira kuti valavu ya butterfly izungulire chinthu chake chotseka chimatchedwa "torque yapampando".

The actuator akhoza kukhala makina kapena basi, ndi kuyenda mu chitoliro akhoza kusintha ndi kusuntha valavu chimbale.Ikatsekedwa, diski ya valve imaphimba dzenje la valve, ndipo madzimadzi nthawi zonse amalumikizana ndi diski ya valve.Izi zipangitsa kutsika kwamphamvu.Kuti musinthe malo a disc kuti apereke madzi oyenda, tembenuzani tsinde mozungulira kotala.