Kusanthula Ubwino ndi Kuipa kwa Mitundu Isanu Yodziwika bwino ya Ma Valves 2

3. Valavu ya Mpira

Valavu ya mpira inachokera ku valavu yolumikizira. Gawo lake lotsegulira ndi kutseka ndi lozungulira, ndipo lozungulira limazungulira 90° mozungulira mzere wa tsinde la valavu kuti likwaniritse cholinga chotsegulira ndi kutseka. Valavu ya mpira imagwiritsidwa ntchito makamaka pa mapaipi kudula, kugawa, ndikusintha njira yoyendera ya medium. Valavu ya mpira yopangidwa ndi kutseguka kooneka ngati V imakhalanso ndi ntchito yabwino yolamulira kayendedwe ka madzi.

Fakitale ya TWS valve imapereka valavu ya gulugufe yolimba yokhala ndi wafer YD37A1X3-16Q, valavu ya gulugufe yozungulira kawiriD34B1X3-16Q, Valavu ya gulugufe yozungulira kawiri malinga ndi Ser.13 kapena mndandanda 14, BS5163/F4/F5 /ANSI CL150 rabara yokhala ndi chipata chokhala ndi chivindikiro, Y-strainer, valavu yolinganiza, choletsa kuyenda kwa madzi kumbuyo.

3.1 Ubwino:

① Ili ndi kukana kotsika kwambiri kwa madzi (pafupifupi 0).

② Popeza sichidzamira panthawi yogwira ntchito (popanda mafuta odzola), chingagwiritsidwe ntchito moyenera pa zinthu zowononga komanso pa zinthu zamadzimadzi zomwe sizitentha kwambiri.

③ Imatha kutseka kwathunthu mkati mwa kuchuluka kwa kuthamanga ndi kutentha kwakukulu.

④ Imatha kutsegula ndi kutseka mwachangu. Nthawi yotsegulira ndi kutseka ya nyumba zina ndi masekondi 0.05 mpaka 0.1 okha, zomwe zimapangitsa kuti igwiritsidwe ntchito m'makina odziyimira pawokha a mabenchi oyesera. Mukatsegula ndi kutseka valavu mwachangu, palibe kusintha komwe kumachitika panthawi yogwira ntchito.

⑤ Gawo lotseka lozungulira limatha kukhazikika pamalo ozungulira okha.

⑥-- Chogwirira ntchito chimatsekedwa bwino pa valavu.

Q⑦ Valavu ikatsegulidwa bwino komanso kutsekedwa bwino, malo otsekera a mpira ndi mpando wa valavu zimachotsedwa pa malo otsekera. Chifukwa chake, malo otsekera omwe akuyenda kudzera mu valavu pa liwiro lalikulu sadzawononga malo otsekera.

⑧ Ili ndi kapangidwe kakang'ono komanso kulemera kopepuka. Ikhoza kuonedwa ngati kapangidwe kabwino kwambiri ka valavu pamakina apakati otentha kwambiri.

⑨ ThevalavuThupi lake ndi lofanana. Makamaka pa kapangidwe ka thupi la valavu yolumikizidwa, imatha kupirira kupsinjika kuchokera ku payipi.

⑩ Gawo lotseka limatha kupirira kusiyana kwa kuthamanga kwa mpweya panthawi yotseka.

⑪ Valavu ya mpira yokhala ndi thupi la valavu yolumikizidwa bwino imatha kubisika pansi pa nthaka, kuteteza zigawo zamkati mwa valavuyo ku dzimbiri. Nthawi yake yogwira ntchito imatha kufika zaka 30, zomwe zimapangitsa kuti ikhale valavu yoyenera kwambiri yogwiritsira ntchito mapaipi amafuta ndi gasi wachilengedwe.

3.2 Zoyipa:

① Chinthu chachikuluvalavuMphete yotsekera mipando ya valavu ya mpira ndi polytetrafluoroethylene (PTFE). Siigwira ntchito pafupifupi mankhwala onse ndipo ili ndi makhalidwe ambiri monga coefficient yaying'ono yokangana, magwiridwe antchito okhazikika, kukana ukalamba, kutentha koyenera, komanso magwiridwe antchito abwino kwambiri otsekera. Komabe, makhalidwe enieni a PTFE, kuphatikizapo coefficient yayikulu yokulirapo, kukhudzidwa ndi kuyenda kozizira, komanso kutentha koipa, zimafuna kuti kapangidwe ka chisindikizo cha mpando wa valavu kachitidwe mozungulira zinthuzi. Chifukwa chake, pamene chisindikizocho chilimba, kudalirika kwa chisindikizocho kumachepa. Kuphatikiza apo, kalasi yokana kutentha ya PTFE ndi yotsika, ndipo ingagwiritsidwe ntchito kokha kutentha komwe kuli pansi pa 180°C. Kutentha kukapitirira mtengo uwu, chisindikizocho chidzakalamba. Poganizira kugwiritsidwa ntchito kwa nthawi yayitali, nthawi zambiri chimagwiritsidwa ntchito pa 120°C yokha.

② Kugwira ntchito kwake koyendetsera zinthu kumakhala koipa pang'ono kuposa kwa valavu yozungulira, makamaka pa mavalavu ozungulira mpweya (kapena mavalavu amagetsi).

5. Valavu ya pulagi

Vavu yolumikizira imatanthauza valavu yozungulira momwe gawo lotseka limaoneka ngati plunger. Pozungulira 90°, kutsegula kwa njira pa pulagi kumapangidwa kuti kulumikizane kapena kulekanitsidwa ndi kutsegula kwa njira pa thupi la valavu, zomwe zimapangitsa kuti valavuyo itsegule kapena kutseka. Imatchedwanso cock, stopcock, kapena rotary gate. Mawonekedwe a pulagiyo akhoza kukhala cylindrical kapena conical. Pali mitundu yambiri ya iyo, kuphatikizapo mtundu wolunjika, mtundu wa njira zitatu, ndi mtundu wa njira zinayi. Mfundo yake ndi yofanana ndi ya valavu ya mpira.

5.1 Ubwino:

① Ndi yoyenera kugwiritsidwa ntchito pafupipafupi, ndipo imatsegula ndi kutseka mwachangu komanso mopepuka.

② Kukana kwa madzimadzi ndi kochepa.

③ Ili ndi kapangidwe kosavuta, kamene kali ndi voliyumu yochepa, kulemera kwake n'kopepuka, ndipo n'kosavuta kusamalira.

④ Ili ndi magwiridwe antchito abwino otsekera.

⑤ Sizikuletsedwa ndi njira yokhazikitsira, njira yoyendetsera kayendedwe ka sing'anga ikhoza kukhala yosiyana ndi ina iliyonse.

⑥ Palibe kugwedezeka, ndipo phokoso ndi lochepa.

5.2 Zoyipa:

⑦ Malo otsekera ndi akulu kwambiri, zomwe zimapangitsa kuti mphamvu yamagetsi ikhale yochuluka komanso kusinthasintha kosakwanira.

⑧ Kukula kwa valavu m'mimba mwake kumakhudzidwa ndi kulemera kwake, ndipo kukula kwake kumakhala kochepa.

Pakugwiritsa ntchito kwenikweni, ngati pakufunika valavu yayikulu, kapangidwe ka pulagi yobwerera m'mbuyo kayenera kugwiritsidwa ntchito, zomwe zingakhudze momwe kutsekera kumakhudzira.

Zambiri, mutha kulumikizana nafe kwaulereValavu ya TWSfakitale.