I. Njiisyo zyakusalaMavalvu aa Butterfly
1. Kusala kwamusyobo wamabambe
Valve yakati-kati (musyobo wamuzila waakati):Chisiko cha valve antoomwe a butterfly disc zili akati-akati, zili abubambe buuba-uba alimwi taziduli pe. Kujala kuyeeme akujala kuteteete kwa raba. Chili kabotu kuziindi zyakupya akutontola zili kabotu alimwi kakunyina milawu miyumu.
Ivalvu yomwe iitakwe mpuwo:Chisiko cha valve chiliimpene kuzwa aakati ka butterfly disc, kuchesya kuzwangana aakati kazyintu zyakujala muchiindi chakubeleka akuyungizya buumi bwakubeleka. Chili kabotu kukubelesya kwaakati aakati akwaansi kwalo kuyandika kujalula akujala chiindi chiingi.
Ivalvu yabutterfly iijisi zibeela zyobile (ivalvu yabutterfly iibeleka obotu):Chisiko cha valve chiliimpene kuzwa ku butterfly disc antoomwe a sealing surface center, kupa kuti kube kubeleka kakunyina kuzwangana. Kanjaanji chilabikkilizya abutale naakuti zintu zyiingi zyakujala. Chili kabotu kupya kapati, kusinikizyigwa kapati, kubola, naakuti zintu zijisi tuniini.
Ivalvu ya butterfly iijisi zintu zyotatwe:Kuswaanganya zyintu zyobile zitazungaani antoomwe a beveled conical sealing pair, zipa kuti kutabi kuzwangana akubula kuvwundauka, kakuli kukazyigwa kwakupya akutontola kupati. Chilikabotu mubukkale bwakubeleka bukatazya (nkokuti, busi, mafuta/gesi, zintu zipya kapati).
2. Kusala nzila yakukwela
Zichitwa amaboko:kuzibeela ziche (DN≤200), muya muniini, naakuti mubukkale butabeleki chiindi chiingi.
Ikubelesya giya lya Worm:Chili kabotu kubelesegwa aakati-akati kusikila kupati kuyandika kubelesya kakunyina kukatazya naakuti kweendelezya kweenda.
Muya/Magesi:Kweendelezya kulaale, nzila zibelesya minchina, naakuti ziyandikana zyakuzima chakufwambaana (nkokuti, nzila zyakuzima mulilo, kuzima kwachiindi chakufwambaana).
3. Zibelesyo zyakujala azibelesyo
Kujala kuteteete (raba, PTFE, azimwi): kujala kubotu, pesi kukwabililwa kupya akutontola (kanjikanji ≤120°C, PN≤1.6MPa). Zili kabotu mumaanzi, muuya azintu zitakwe nguzu zyakubola.
Zijazyo zyabutale (nsimbi zitakwe nsimbi, sementi iijisi sementi): Zilakonzya kukazya kupya kapati (kusikila ku 600°C), kusinikizyigwa kapati, alimwi akukazya kusama akubola, pele mulimo wakujala uli munsi asyoonto kwiinda zijazyo ziteteete. Chili kabotu kubelesyegwa muzintu zipya kapati mukupanga zintu zyabutale, mumaanda aapanga magesi, alimwi amakemikalu aamafuta.
Zibelesyo zyamumubili: Butale bupangwa, butale bwa kaboni, butale butakwe tombe, butale bwa alloy, naakuti pulasitiki/raba kweendelana akubola kwachintu eecho.
4. Kusinikizyigwa akupya:
Mavalvu aajisi bbivwe aajalidwe kabotu-kabotu kanjikanji alabelesyegwa ku PN10~PN16, aatempelecha ≤120°C. Mavalvu aajisi nsimbi zyotatwe alakonzya kusika atalaa PN100, akupya kwa ≥600°C.
5. Bube bwanzila
Kuti kwayandika kweendelezya kweenda, sala vvalavu iitegwa butterfly ijisi bube bwamweelwe weelene (nkokuti, V-shaped disc).
6. Busena bwakubikkila antoomwe anzila yakutola:Ivalvu ya butterfly ilijisi bupange bupati, bupa kuti ibeleke mumapaipi aajisi busena busyoonto. Kanjaanji, taakwe milawu yakukasya nzila yakuzuza, pesi kumavalvu aabutterfly aajisi zibeela zyotatwe, nzila yakuzuza yeelede kwaambwa.
II. Ziindi Zibeleka
1. Kubamba maanzi anzila zyakugwisya maanzi: Nzila zyakujana maanzi mumadolopo, mapaipi aakukwabilila mulilo, akusalazya tombe: kanjikanji kubelesya mavwili aajalwa aakati-kati, aataduli loko alimwi ajisi kujala kubotu. Kumapompi aakuzwa akubamba kweenda: sala giya lyamagesi naakuti mavalvu aabelesya magesi.
2. Mipaipi ya Petrochemical a natural gas: Ma valve otatwe aajisi butterfly aajalidwe abutale aasalwa kuti atazungaani kapati akukwabilila kuvwundauka. Zibelesyo zikonzya kubola (nkokuti, ma asidi/alkali): Mavalvu aajisi fluorine naa mavalvu aatakonzyi kubola alabelesyegwa.
3. Kumakkampani aapanga magesi, nzila zyamaanzi aazungaana, akugwisya muya uuzwa mumuwo: mavalvu aajisi nsinga zya raba zili akati-kati naa zyobile. Kumapaipi aabusi (nkokuti, zibelesyo zigwasilizya mumaanda aapanga magesi): mavalvu otatwe aajalidwe abutale.
4. HVAC (Kupya, Kunjizya Muya, aKutontozya Muya) nzila zyakuzungaanya maanzi aatontola alimwi aapya: mavwili aajalwa kabotu-kabotu aakubelesya kweendelezya naa kugonka.
5. Kubunjiniyela bwamulwizi amapaipi aamaanzi aalwizi: mavalvu aabutterfly aajisi nsimbi zitakwe tombe naa mavalvu aajisi raba.
6. Mavalvu aazyakulya azyabusilisi (butale butakwe tombe, zibelesyo zifwambaana kuswaangana) zilazuzikizya ziyandikana zyakukwabilila.
7. Bulongo antoomwe atuzunda mubukkale bwakubeleka bulibedelede: Mavalvu aabutterfly aasimide aatakonzyi kubola alalumbaizyigwa (nkokuti, mukutola busi bwamumigodi).
Nzila yakugusya muya: Muya waalubazuvalve ya butterflyilasinizya kuti kujala kuchitwa kabotu.
III. Mamanino
TWSteensi buyo mweenzinyina uusyomeka wakuchita zintu zibotumavwili aabutterflypesi alimwi ulijisi luzibo lupati lwazyakupangapanga anzila zisinizyidwe zyakumanizya mapenzimavalvu aamulyango, mavalvu aakulanga, lubomavalvu aakugwisya muya. Nikuba kuti nzyoyanda kweendelezya maanzi zili buti, tulapa lugwasyo lwaatala, lwaangulukide. Kuti koyanda kubeleka antoomwe naakuti mibuzyo yabusongo, twalomba kuti utujata kufumbwa chiindi.
Chiindi chakutumizya: Dec-17-2025
