Ma valve a mpirandizofunikira kwambiri pamakina owongolera madzimadzi, omwe amapereka malamulo odalirika otseka komanso oyenda. Pakati pa mapangidwe osiyanasiyana,ma valves a mpiratulukani chifukwa cha kuyika kwawo kosavuta komanso kusinthasintha. Nkhaniyi ikufotokozavalavu ya mpira ndi chiyani, zakemagulu, mapulogalamu,ndimayendedwe amsika, ndikuyang'ana pa zitsanzo zotchuka monga2 valavu ya mpira, 2 inchi valavu ya mpira wamkuwa,ndi2 mu valavu ya mpira.
Kodi Vavu ya Mpira Ndi Chiyani
Vavu ya mpira imagwiritsa ntchito mpira wozungulira, wozungulira wokhala ndi bobo kuti azitha kuyendetsa madzimadzi. Pamene bowo la mpira likugwirizana ndi payipi, madzimadzi amayenda momasuka; kutembenuka kwa madigiri 90 kumatchinga kuyenda kwathunthu. Ma valve opangidwa ndi ulusi amakhala ndi ma screw-end (zingwe za NPT kapena BSP), zomwe zimawapangitsa kukhala abwino pamakina otsika mpaka apakatikati pamapaipi amadzi, HVAC, ndi mafakitale.
Zigawo zikuluzikulu zikuphatikizapo:
- Mpira: Chitsulo chosapanga dzimbiri, Carbon steel (A105N, WCB), mkuwa, kapena PVC.
- Mipando: PTFE kapena mphira wosindikiza.
- Tsinde: Amalumikiza chogwirira ku mpira.
- Thupi: Nthawi zambiri amapangidwa ndi mkuwa, chitsulo chosapanga dzimbiri, kapena chitsulo chopukutira.
Gulu laMavavu a Mpira
Ma valve a mpira amagawidwa malinga ndi kapangidwe, zinthu, kukula, ndi mtundu wolumikizira. M'munsimu muli mitundu yodziwika bwino yokhudzana ndi ma valves a mpira:
1. Mwa Mapangidwe
- 2 Piece Ball Valve: Mapangidwe amagulu awiri (thupi + kapu yomaliza) kuti asamalidwe mosavuta. Amagwiritsidwa ntchito kwambiri m'makina amadzi okhalamo.
- 3 Piece Ball Valve: Amachotsa kwathunthu kuyeretsa kapena kukonza, kofala m'mafakitale.
2. Mwa Kukula
- 2-inch Ball Valve: Vavu yapakatikati yoyenera mapaipi amadzi, gasi, kapena mafuta. The2 inchi valavu ya mpira wamkuwandi yotchuka chifukwa cha kukana dzimbiri.
- 2 mu Ball Valve: Zosiyanasiyana pamipata yothina, yomwe imagwiritsidwa ntchito nthawi zambiri pazida zamagetsi kapena makina ang'onoang'ono.
3. Mwa Nkhani
- Mavavu a Mpira wa Brass: Yotsika mtengo komanso yosagwira dzimbiri. The2 valavu ya mpira wamkuwandi2 mu valavu ya mpira wamkuwandi zofunika mu mapaipi.
- Mavavu a Mpira Wachitsulo Wosapanga dzimbiri: Kwa madera othamanga kwambiri kapena owononga.
4. Mwa Kulumikizana
- Valve ya Mpira wa Threaded: Imakhala ndi ulusi wa screw (NPT, BSP) kuti ikhazikitse zotsimikizira kutayikira. Zitsanzo zikuphatikizapo2 valavu ya mpirandi tvalavu ya mpira.
- Flanged Ball Valve: Kwa mapaipi olemera a mafakitale.
Kugwiritsa ntchito kwa Threaded Ball Valves
Ma valve opangidwa ndi ulusi amagwiritsidwa ntchito kwambiri chifukwa cha kuphweka kwawo komanso kulimba kwake:
1. Mipope Yogona
- 2 inch Water Valve: Amayang'anira kaperekedwe ka madzi m'nyumba.
- 2 Mpira wa Brass Valve: Amagwiritsidwa ntchito pamagetsi otenthetsera kapena popopera panja.
2. Industrial Systems
- 2 Piece Ball Valve: Amayang'anira zamadzimadzi pokonza mankhwala kapena zoyenga mafuta.
- Valve ya Threaded: Amalumikiza mapaipi mu mpweya woponderezedwa kapena mizere ya nthunzi.
3. Kugwiritsa Ntchito Malonda
- 2 mu Ball Valve: Imawongolera kuyenda kwamadzi m'malesitilanti kapena mahotela.
- 2 Mpira Valve: Ndi abwino kwa ulimi wothirira kapena maukonde ozimitsa moto.
Mawonekedwe a Msika wa Ma Valves a Mpira
Msika wapadziko lonse lapansi wa valve mpira ukuyembekezeka kukula pang'onopang'ono, motsogozedwa ndi:
1. Kupititsa patsogolo Zomangamanga: Kukwera kwa kufunikira kwa malo opangira madzi ndi mapaipi amafuta/gesi.
2. Kukonda kwa ma Vavu a Brass: Ndi2 inchi valavu ya mpira wamkuwandi2 valavu ya mpira wamkuwaamalamulira misika yanyumba chifukwa cha kutsika mtengo.
3. Industrial Automation: Mavavu apamwamba kwambiri ngati2 valavu ya mpirandizofunika kwambiri pakupanga machitidwe anzeru.
4. Sustainability Trend: Zida zolimbana ndi dzimbiri (monga chitsulo chosapanga dzimbiri, mkuwa) zimatalikitsa moyo wa vavu, kuchepetsa zinyalala.
Ma valve opangidwa ndi ulusi, makamaka2 mu valavu ya mpira wamkuwandi2 inch mpira valvezitsanzo, zidzakhalabe zotchuka chifukwa chosavuta kukhazikitsa ndi kusinthasintha.
Momwe Mungasankhire Vavu Yoyenera Ya Mpira
1. Mtundu wa Madzi: Gwiritsani ntchito mkuwa pamadzi / gasi ndi chitsulo chosapanga dzimbiri pamankhwala.
2. Pressure Rating: Onetsetsani kuti valavu ikukumana ndi zofunikira za dongosolo.
3. Kukula: A2 inchi valve madziimayenera mapaipi wamba, pomwe a2 mu valavu ya mpiraimakwanira ma compact setups.
4. Zitsimikizo: Yang'anani kutsata kwa NSF, ANSI, kapena ISO.
Mapeto
Ma valve opangidwa ndi ulusi, monga2 valavu ya mpira, 2 inchi valavu ya mpira wamkuwa,ndivalavu ya mpira, ndizofunikira kwambiri pamakina amakono owongolera madzimadzi. Kusinthasintha kwawo, kukhazikika, komanso kukhazikika kwawo kosavuta kumawapangitsa kukhala abwino kwa nyumba zogona, zamalonda, ndi mafakitale. Pamene zomangamanga ndi makina akupita patsogolo, kufunikira kwa ma valve ogwira ntchito, odalirika - makamaka2 mu valavu ya mpira wamkuwandi2 valavu ya mpira- adzapitiriza kuwuka.
Pomvetsetsa mitundu yawo, momwe amagwiritsidwira ntchito, ndi momwe msika ukuyendera, mabizinesi ndi eni nyumba amatha kukulitsa machitidwe awo kuti azigwira ntchito komanso moyo wautali.
Nthawi yotumiza: Mar-03-2025