Ivalvu yeluvivane lefakwe i-fluoroplastic lemelana nekugcolakufaka i-polytetrafluoroethylene resin (noma iphrofayli lecubunguliwe) eludongeni lwangekhatsi lwensimbi noma insimbi yevalve yeluvivane lethwala umfutfo-tincenye noma indzawo lengephandle yevalve yeluvivane tincenye tangekhatsi ngendlela yekubumba (noma inlay). Letintfo letihlukile temavalvu eluvivane ngekulwa netindzaba leticinile letigcobako tentiwa tibe tinhlobo letehlukene temavalvu eluvivane kanye nemikhumbi yekucindzetela.
Etintfweni letilwa nekugcola, i-PTFE inekusebenta lokuhle kakhulu lokungenakulinganiswa. Ngekwengeta ensimbi lencibilikile, i-fluorine ye-elemental kanye ne-hydrocarbons lenephunga, ingasetjentiswa ngetindlela letehlukene te-hydrochloric acid, i-sulfuric esidi, i-nitric acid, i-aqua regia, i-esidi lephilako, i-oxidant lecinile, lecinile , leshintjashintjako ye-esidi lencane, i-alkali leshintjako kanye netintfo letehlukene letiphilako tiyindlela yekuphendvula lengakahleleki. Lining PTFE eludongeni lwangaphakathi butterfly valve akugcini nje ngekuncoba kushoda amandla phansi PTFE impahla, kodwa futhi ukuxazulula inkinga ukumelana ukugcola butterfly valve ingcikitsi tintfo. Kusebenta kabi kanye netindleko letisetulu. Ngetulu kwaloko, ngetulu kwekusimama kwayo lokuhle kakhulu kwemakhemikhali, i-PTFE inetimphahla letinhle tekulwa nekungcola kanye nekulwa nekunamatsela, ema-coefficients lamancane kakhulu lashintjashintjako nalacinile, kanye nekusebenta lokuhle kwekulwa nekugcobisa kanye nekugcobisa. Isetjentiswa njenge pair yekuvala yekuvula nekuvala emavalvu e butterfly, futsi kuyadzingeka kutsi kuncishiswe indzawo yekuvala. Kukhukhumala emkhatsini wemavalvu e-butterfly kungehliswa, i-torque yekusebenta ye-valve ye-butterfly ingancishiswa, futsi imphilo yekusebenta yemkhicito ingaba ncono.
Ivalvu levivane lefakwe i-fluorine, lephindze yatiwe ngekutsi yi anti-corrosion butterfly valve, ivame kusetjentiswa etimeni letimbi tekusebenta, kungaba ngemakhemikhali layingoti nalayingoti, noma tinhlobo letehlukene letigcoba kakhulu te esidi-base noma tintfo letiphilako. Kusetjentiswa lokungakafaneli kutawuholela ekulahlekelweni lokukhulu kwemnotfo futsi lokubi kakhulu ngenca ye. Kusebentisa kahle kanye nekunakekelwa kwe valve ye butterfly kungenta kutsi ivalve ye butterfly lefakwe i-fluorine isebente sikhatsi lesidze, ngako-ke ngumiphi imininingwane lengentiwa kute ivikeleke ngemphumelelo?
1. Ngaphambi kwekutsi usebentise, fundza ngekucophelela incwadzi yeticondziso te-valve ye-butterfly lefakwe i-fluorine.
2. Yisebentise ngaphakatsi kwelibanga lekucindzeteleka, kushisa kanye nesilinganiso lesichazwe epuletini leligama noma ebhukwini.
3. Uma usetjentiswa, vikela i-valve ye-butterfly lefakwe i-fluorine kutsi ingakhiciti kucindzeteleka lokukhulu kwemaphayiphi ngenca yetingucuko tekushisa, nciphisa tingucuko tekushisa, bese wengeta emalunga ekwandzisa lamise ngendlela ye-U ngaphambi nangemuva kwe-valve ye-butterfly.
4. Akukavumeleki kusebentisa lever kuvula nekuvala ivalve yeluvivane lefakwe i-fluorine. Naka kubuka sikhundla sekukhombisa kuvula nekuvala kanye netintfo tekukhawulela te-valve ye-butterfly lefakwe i-fluorine. Ngemuva kwekuvulwa nekuvalwa sekukhona, ungaphoceleli ivalve kutsi ivale, kwentela kugwema kulimala ngaphambi kwesikhatsi endzaweni yekuvala yepulasitiki ye fluorine.
5. Kuletinye tindzaba letingasimami futsi letilula kubola (sibonelo, kubola kwaletinye tindzaba kutawubangela kunwebeka kwevolumu futsi kubangele kukhula kwemfutfo longakavami etimeni tekusebenta), lokutawubangela kulimala kwe-valve ye-butterfly noma kuvuza, tinyatselo kufanele titsatfwe kucedza noma kunciphisa tintfo letibangela kubola kwe-uns. . Uma ukhetsa ivalve ye butterfly, ivalve ye butterfly lefakwe i-fluorine lenetintfo letizenzakalelako tekucedza umfutfo kumele ikhetselwe ngekucabanga ngetingucuko letingaba khona etimeni tekusebenta letibangelwa kubola lokungasimami futsi lokulula kwemkhatsi.
6. Kuivalvu levivane lefakwe i-fluorineemgceni wemaphayiphi ngesimo lesinebuthi, lesivutsako, lesiqhumako nalesinemandla sekugcoba, kuvinjelwe ngalokuphelele kutsi kufakwe esikhundleni sekupakisha ngaphansi kwemfutfo. Noma nje le valve ye butterfly lelayiniwe nge fluorine inemsebenti wekuvala longetulu ekwakhiweni, akunconywa kutsi kutsatfwe esikhundleni sekupakisha ngaphansi kwemfutfo.
7. Kumaphayiphi lanendzawo yekushisa letentekelako, tinyatselo kumele titsatfwe kucinisekisa kutsi lizinga lekushisa lelikhona kanye nekushisa kwesimo sekusebenta angeke kwedlule liphuzu lekushisa lokutentakalelako kwalendzawo kuvikela ingoti lebangelwa kukhanya kwelilanga noma umlilo wangaphandle.
Lokusebentako: lokuhlukene lokuhlukene kwe acid-base salts kanye naletinye tintfo letiphilako.
Sikhatsi sekuposa: Lweti-08-2022
