Theth-chidutswatwojambulavalve ndi a mtundu wa mankhwala chitoliro zovekera.Pali mawonekedwe a T ndi mawonekedwe a Y.Palinso zochepetsera.Kwa mphambano ya mapaipi atatu.
Zolumikizira zitoliro zopangidwa ndi zitsulo zozungulira kapena zitsulo zopangira zida zachitsulo, mawonekedwe ake olumikizira ndi kuwotcherera zitsulo, chitoliro chachitsulo chimalowetsedwa mu dzenje lazitsulo zowotcherera, chifukwa chake amatchedwa "zolumikizira chitoliro", muyezo waukulu wopanga ANSI/ASME B16 .11, MSS SP-83, GB/T 14383-2008.
Zopangira Socket
Mitundu yazitsulo zopangira socket zikuphatikizapo 45°chigongo, 90°chigongono, socket tee, mtanda, 45°oblique tee, pawiri socket chitoliro clamp, single socket chitoliro clamp, kapu chitoliro, mgwirizano, mpando chitoliro nthambi ndi zina zotero.Pakati pawo, ma tee ndi mitanda ali ndi diameter yofanana ndi madiresi osiyana;zitoliro zazitsulo zokhala ndi socket ziwiri zimakhalanso ndi ma diameter ofanana ndi ma diameter osiyanasiyana, ndipo zitoliro zokhala ndi socket ziwiri zokhala ndi ma diameter osiyanasiyana zithanso kugawidwa kukhala concentric ndi eccentric.
Chitsulo chosapanga dzimbiri3 ma PC opangidwa valavu ya mpira
Chitsulo chosapanga dzimbiri3 ma PC opangidwa mpira valavu Chitsulo chosapanga dzimbiri3 ma PC opangidwa valavu ya mpira ndi valavu ya chipata cha flange ndi ya mtundu womwewo wa valavu, kusiyana kwake ndikuti gawo lake lotseka ndi gawo, ndipo gawolo limazungulira pakati pa thupi la valve kuti likwaniritse kutsegula ndi kutseka.Mavavu a mpira amagwiritsidwa ntchito makamaka m'mapaipi kuti adule, kugawa ndikusintha njira yoyendetsera media.Valve yamagulu awiri ndi valavu yamagulu atatu ndi mtundu watsopano wa valve womwe umagwiritsidwa ntchito kwambiri m'zaka zaposachedwa.
Choyamba, tiye chitsulo chosapanga dzimbiri3 ma PC opangidwa valavu ya mpira ili ndi zabwino izi:
1. Kukaniza kwamadzimadzi kumakhala kochepa, ndipo coefficient yake yotsutsa ndi yofanana ndi gawo la chitoliro cha kutalika kwake.
2. Mapangidwe osavuta, kukula kochepa ndi kulemera kochepa.
3. Ndi yaying'ono komanso yodalirika.Pakalipano, zinthu zosindikizira za valve ya mpira zimagwiritsidwa ntchito kwambiri m'mapulasitiki, omwe ali ndi ntchito yabwino yosindikiza ndipo amagwiritsidwa ntchito kwambiri m'makina a vacuum.
4. Zosavuta kugwiritsa ntchito, kutsegula ndi kutseka mwachangu, zimangofunika kuzungulira 90°kuchokera kutseguka kwathunthu mpaka kutsekedwa kwathunthu, komwe kuli kosavuta kuwongolera kutali.
5. Kukonzekera ndi koyenera, mapangidwe a valve ya mpira ndi ophweka, mphete yosindikizira nthawi zambiri imasunthika, ndipo ndiyosavuta kusokoneza ndikusintha.
6. Mukatsegulidwa kwathunthu kapena kutsekedwa kwathunthu, malo osindikizira a mpira ndi mpando wa valve amasiyanitsidwa ndi sing'anga, ndipo pamene sing'anga ikudutsa, sichidzayambitsa kukokoloka kwa valve yosindikiza pamwamba.
7. Ili ndi ntchito zosiyanasiyana, zokhala ndi mainchesi ang'onoang'ono ngati mamilimita angapo komanso zazikulu ngati mamita angapo, ndipo zingagwiritsidwe ntchito kuchokera ku vacuum yapamwamba mpaka kupanikizika kwambiri.
Ma valve apamwamba a mpira amatha kugawidwa m'njira zowongoka,3 ma PC opangidwa mtundu ndi mtundu wa ngodya yakumanja molingana ndi malo a tchanelo.Ma valve awiri omaliza a mpira amagwiritsidwa ntchito kugawa sing'anga ndikusintha njira yoyendetsera sing'anga.Kuyika ndi kukonza valavu yamagulu atatu ayenera kulabadira zinthu izi:
1. Siyani malo kuti chogwirira cha valve chizizungulira.
2. Sangagwiritsidwe ntchito ngati kugwedeza.
3 Mavavu ampira okhala ndi njira zopatsirana ayenera kuikidwa mowongoka.
Chachiwiri, mfundo yogwira ntchito yachitsulo chosapanga dzimbiri3 ma PC opangidwa valavu ya mpira ndikupangitsa kuti valavu isatsekeke kapena kutsekedwa pozungulira valavu.Valve ya mpira ndi yosavuta kusinthira, yaying'ono kukula kwake, imatha kupangidwa kukhala mainchesi akulu, odalirika pakusindikiza, osavuta kupanga, osavuta kukonza, ndipo malo osindikizira ndi ozungulira amakhala otsekedwa nthawi zonse, zomwe sizili zophweka. kuti iwonongeke ndi sing'anga, ndipo yakhala ikugwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana.
Third, chitsulo chosapanga dzimbiri3 ma PC opangidwa valavu ya mpira imagwiritsidwa ntchito kwambiri papaipi kuti idule, kugawa ndikusintha njira yoyendetsera sing'anga.Valavu ya mpira ndi mtundu watsopano wa valve womwe umagwiritsidwa ntchito kwambiri m'zaka zaposachedwa, uli ndi izi:
1. Kukaniza kwamadzimadzi kumakhala kochepa, ndipo coefficient yake yotsutsa ndi yofanana ndi gawo la chitoliro cha kutalika kwake.
2. Mapangidwe osavuta, kukula kochepa ndi kulemera kochepa.
3. Ndi yaying'ono komanso yodalirika.Pakalipano, zinthu zosindikizira za valve ya mpira zimagwiritsidwa ntchito kwambiri m'mapulasitiki, omwe ali ndi ntchito yabwino yosindikiza ndipo amagwiritsidwa ntchito kwambiri m'makina a vacuum.
4. Zosavuta kugwiritsa ntchito, kutsegula ndi kutseka mwachangu, zimangofunika kuzungulira 90°kuchokera kutseguka kwathunthu mpaka kutsekedwa kwathunthu, komwe kuli kosavuta kuwongolera kutali.
5. Kukonzekera ndi koyenera, mapangidwe a valve ya mpira ndi ophweka, mphete yosindikizira nthawi zambiri imasunthika, ndipo ndiyosavuta kusokoneza ndikusintha.
6. Mukatsegulidwa kwathunthu kapena kutsekedwa kwathunthu, malo osindikizira a mpira ndi mpando wa valve amasiyanitsidwa ndi sing'anga, ndipo pamene sing'anga ikudutsa, sichidzayambitsa kukokoloka kwa valve yosindikiza pamwamba.
7. Ili ndi ntchito zosiyanasiyana, zokhala ndi ma diameter ang'onoang'ono ngati mamilimita angapo komanso zazikulu ngati mamita angapo, ndipo zingagwiritsidwe ntchito kuchokera ku vacuum yapamwamba mpaka kupanikizika kwambiri.Mpira ukazungulira madigiri 90, zolowera zonse ndi zotuluka ziyenera kuwoneka ngati zozungulira, kuti zithetse kutuluka.
Chitsulo chosapanga dzimbiri3 ma PC opangidwa valavu ya mpira ndi mtundu watsopano wa valve ya mpira.Ili ndi maubwino ena apadera pamapangidwe ake, monga kusagwirizana pakusintha, kosavuta kuvala chisindikizo, komanso torque yaying'ono yotsegula ndi kutseka.Izi zimachepetsa kukula kwa actuator yogwirizana.Yokhala ndi makina osinthira magetsi ambiri, imatha kuzindikira kusintha ndikudula kwambiri sing'angayo.Zogwiritsidwa ntchito kwambiri mu Petroleum, Chemical, madzi am'tauni ndi ngalande ndi zina zogwirira ntchito zomwe zimafuna kudulidwa mwamphamvu.
Chachinayi, mfundo zake zogwirira ntchito ndi izi:
A. Yambitsani ndondomekoyi
1 Pamalo otsekedwa, mpira umakanizidwa ndi mpando wa valve makina[/wiki] kuthamanga kwa tsinde la valve.
2 Pamene gudumu lamanja likutembenuzidwa mosiyana, tsinde la valve limayenda mosiyana, ndipo ndege yaing'ono yomwe ili pansi pa valve imapangitsa mpirawo kuchoka pampando wa valve.
3 Tsinde la valavu limapitilirabe kukweza, ndipo limalumikizana ndi pini yowongolera mumsewu wozungulira wa tsinde la valavu, kotero kuti mpira umayamba kuzungulira popanda kukangana.
4 mpaka itafika pamalo otseguka, tsinde la valve limakwezedwa mpaka pomwe mpira umazungulira, ndipo mpirawo umazungulira pamalo otseguka.
B. Njira yotseka
1 Ikatsekedwa, tembenuzani gudumu lamanja molunjika, tsinde la valve liyamba kutsika ndipo mpira umachoka pampando wa valve ndikuyamba kuzungulira.
2 Pitirizani kutembenuza gudumu lamanja, ndipo tsinde la valavu limayendetsedwa ndi pini yolondolera yomwe imayikidwa mumphepete mwake, kuti tsinde la valve ndi mpira zizungulira 90.°nthawi yomweyo.
3 Pamene ili pafupi kutseka, mpira wazungulira 90° popanda kukhudzana ndi mpando wa valve.
4 Pamatembenuzidwe angapo omaliza a gudumu la m'manja, ndege yaing'ono yomwe ili pansi pa tsinde la valavu imamangirira ndi mpira kuti iwunikize mwamphamvu pampando wa vavu kuti ikwaniritse chisindikizo chonse.
Chachisanu, mawonekedwe a zitsulo zosapanga dzimbiri3 ma PC opangidwa valavu ya mpira:
1. Tsegulani ndi kutseka popanda kukangana.Ntchitoyi imathetsa kwathunthu zachikhalidwevalve. Vuto lokhudza chisindikizo chifukwa cha kukangana pakati pa malo osindikizira.
2. Mapangidwe apamwamba kwambiri.Valavu yomwe imayikidwa papaipi imatha kuyang'aniridwa ndikukonzedwa mwachindunji pa intaneti, zomwe zimatha kuchepetsa kutseka kwa chipangizocho ndikuchepetsa mtengo.Vavu yamtunduwu nthawi zambiri iyenera kuyikidwa mopingasa mu payipi.
3. Mapangidwe a mpando umodzi.Zimathetsa vutoli kuti sing'anga muzitsulo za valve imakhudza chitetezo chogwiritsidwa ntchito chifukwa cha kuwonjezeka kwachilendo.
4. Mapangidwe a torque otsika.Tsinde la valve yokhala ndi mapangidwe apadera amatha kutsegulidwa mosavuta ndi kutsekedwa ndi chogwirira chaching'ono chokha.
5. Kapangidwe kosindikiza kamphepo.Valavu imasindikizidwa ndikukankhira mphero ya mpira kumpando wa valavu ndi mphamvu yamakina yoperekedwa ndi tsinde la valavu, kotero kuti kusindikiza kwa valve sikukhudzidwa ndi kusintha kwa kusiyana kwa payipi, ndipo kusindikiza kumatsimikiziridwa modalirika ntchito zosiyanasiyana.
6. Mapangidwe odziyeretsa okha a malo osindikizira.Mpirawo ukapendekera kutali ndi mpando wa valavu, madzi a mupaipi amadutsa mofanana pa 360.°pamodzi mpira kusindikiza pamwamba, amene osati kuthetsa kukokoloka kwa m'deralo mpando valavu ndi madzimadzi mkulu-liwiro, komanso kutsuka kudzikundikira pa kusindikiza pamwamba, kukwaniritsa cholinga kudziyeretsa .
Nthawi yotumiza: Apr-26-2023