Yimali yomthetho wevali yokuvala okuthambileyo.

Izinkambu zokugcina zokugcina zokugcina, ezaziwayo njengamagumbi okugcina okugcina okugcina, kuyinto i-PTFE resin ethambile okwenziwe noma ekhishwe ekubhujisweni kwesikhumba esisodwa noma esisodwa (indlela eyodwa ikwenzeka kuzo zonke izinhlobo zezinto zokugcina nokugcina kwepayipi kanye nezinto zokugcina) noma isikhala esiphambili sesikhala esikhala, ukusebenzisa izimo zakhe ezithile ekwenzeni izinhlobo ezahlukene zezinto zokugcina nokugcina kwepayipi.

Polytetrafluoroethylene ikhulunywa ngokuthi iplastiki king, ngu U.S. DUPONT CO., LTD ngo-1938, kwakhiwa ngaphambi kokuthuthukiswa ngo-1949, ukwenza kwendalo, kusukela ekuphatheni kwendalo kunezinye izinto eziningi ezitholakala emkhakheni wendalo, futhi kuyoba kwenziwa kakhulu ekwindaweni yendalo. Izitshalo zokulungiswa zifakwe ngesimo sokulungiswa konke izindawo lapho umzimba wendalo ungafika kuzo, futhi umsakazo wendlu ohlangothini kungenziwa ngokusebenzisa izinto ezifakwe ngeplastiki yeflorini njengoba i-FEP (F46) kanye ne-PCTFE (F3), ezinikezwa kwi-pipelines ngezinhlobo ezahlukene zesulfuric acid, ihayidrochloric acid, ihayidrofluoric acid, i-aqua regia kanye nezinye izinto ezahlukene zezinye i-asidi, izinyawo ezimbi, izinyawo ezimbi zokudumisa kanye nezinyawo ezimbi ezahlukene, njll. Kodwa, izitshalo zokulungiswa zeflorini zinamathuba okufanayo (kufanele kube kwezinye izinto phakathi kwe-50℃~150℃), kodwa izitshalo ezifakwe zinamathuba okufanayo (kufanele kube kwezinye izinto phakathi kwe-50℃~150℃). Kodwa, umthamo wemithambo yezitshalo zeflorini unamathuba okufanayo kakhulu (kufanele kube kwezinye izinto phakathi kwe-50℃~150℃), kanye nezitshalo ezifakwe ngeplastiki yeflorini ezikhona: isivalo sifakwe ngeflorini, isivalo sifakwe ngeball, isivalo sifakwe ngeglobe, isivalo sifakwe ngediaphragm, isivalo sifakwe ngegate, isivalo sifakwe ngeplug kanye nezinye.

Ngesivinini esinamandla esikhathini esizayo, izivali ezilinediwe ngoflorini kanye nemithombo yayo ezingaphezu kwezinye izinhlobo ezifakwe kwiipetrolithi, ukuphrinta nokucwila, kemikhemi kanye nezinye izifunda zazinamandla zazinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza 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zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza 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ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza izinto zokwenza isicelo njengesicelo esilula esinamandla esinikezwa ukwenza 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Izinkambiso zokuphendula: Ivalvu ethambile ye-Fluorine iyindlela eyisisekelo yokugiba nokuhluza, kungaba okungenakwenzeka ukugiba isilinde esikhundleni esiyinhloko noma ukugcina ukuphendula. Ukuvuleka okuphezulu kuzenza ukuphendula okuncane kwesikhundla esikhundleni, okuyinto okungenakwenzeka ukugcina ubudlelwano be-ivalvu ethambile ye-Fluorine. Ivalvu ethambile ye-Fluorine iyatholakala kakhulu ekwenzeni ukuphendula okungase kwenzeke noma ukuphendula okungase kwenzeke, okuyinto okungenakwenzeka ukugcina ubudlelwano be-ivalvu ethambile ye-Fluorine.

Izinkambiso zokusebenza kanye nokulawula okuphelele kwamavalvu amalayini ahlukahlukene kufanele kwenziwe ngokuphelele ukuze kube lula ukusebenza kwepayipi. Kungenzeka ukuthi ukusebenza okuphelele kanye nokulawula kwamavalvu amalayini ahlukahlukene kufanele kwenziwe ngokuphelele ukuze kube lula ukusebenza kwepayipi. Ngakho, kufanele kwenziwe izinto ezilandelayo:

Thola 1, bheka kahle izihloko zezinto ngaphambi kokusebenzisa.

Kuyodinga ukuthi uqonde ukuthi i-pressure, i-temperature, i-range yemedia yokusebenzisa ikhombisa noma izilawuli.

Izindlela zokusetshenziswa kwamavali ezilinedi ngefluorine ukuze kwenzeke ukungatholakali ukuphansi kwepayipilini ngenxa yezimpendulo zokushayela, zama ukulahla izimpendulo zokushayela, futhi ongeze izindlela zokwelapha ezimbalwa phambi nokugcina kwamavali.

Ukugcina 4, kungakhathaliseki ukusebenzisa izinkuni ukuvala kanye nokuvula izivalo ezilinediwe nge-fluorine, bheka izindlela zokuvula nokufaka izivalo ezilinediwe nge-fluorine, zivulekile kahle, ungathathi isikhathi sokuvula, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, ungathathi isikhathi sokufaka, 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5, for some media is unstable and easy to decompose (such as the decomposition of some media will cause volume expansion resulting in abnormal pressure rise) will cause damage to the valve or leakage, measures should be taken to eliminate or limit the factors that cause the decomposition of unstable media. In the valve selection, should take into account the unstable decomposition of the medium may cause changes in working conditions and choose to have automatic pressure relief device fluorine lined valves.

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Ukuze i-pipeline enezinto zokwelapha ezithuthukayo, kwenzeke ukuthi kubonakale ukuthi isimo esihambisana nesimo sokwelapha asiyi kuhamba phansi kwesimo sokwelapha esithuthukayo, ukuze kwenzeke ukulondoloza ukungathintwa kwesibani noma umlilo ophelile.

Ukuze kube lula ukwethula i-pipeline vibration kanye nokuthuthukisa, kufanele kwenzeke izici ezithile ukuze kwenzeke ukungathintwa okuphazamiseka kwezinto ezithintwa nge-fluorine plastic lined valve.

9, fluorine lined valves in the process of use, fluorine plastic sealing surface due to the soft texture, often due to media crystallization, solid particles will be sealing surface damage, resulting in seal leakage, found in a timely manner after the refurbishment or replacement of seals.

Izindlela ezimbili zokulungiswa kwamanzi ezifinyelelwe ngofluorine ezisebenzisa njengoba kudinga ukufakwa kwesikhala sokulungiswa kwamanzi, imidwebo engaphansi kwezinye izikhala ezikhethekile, kuyinto ekwazi ukuthola ukungatholakali okwenzeka, ukuze kufakwe izikhala ngesikhathi esihambisana.

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12, if the handle or handwheel rotation is not flexible or can not open and close the fluorine lined valve, can be appropriate to loosen the gland nut, the rotation is still not flexible may be skewed gland, to adjust the gland. After adjusting and loosening the gland can not be flexible to open and close the fluorine lined valves, should be disassembled to check, remove dirt, troubleshooting. When disassembling this type of fluorine lined valve, should pay attention to the fluorine lined valve pipeline is what medium, is used, or newly installed. If the medium used is toxic, flammable, explosive substances, the staff should wear protective masks and gloves, wear protective clothing in accordance with the operating procedures. Avoid accidents during dismantling and eliminate accidents.