Thread seal tape (eo hape e tsejoang ka hore ke PTFE tape kapa plumber's tape) ke filimi ea polytetrafluoroethylene (PTFE) e sebelisoang ho koala likhoele tsa liphaephe.Theipi e rekisoa e sehiloe ka bophara bo itseng 'me e lematsoe holim'a spool, e leng ho nolofalletsang ho pota-pota likhoele tsa liphaephe.E boetse e tsejoa ka tepi ea genericized ea khoebo ea Teflon;athe Teflon ha e le hantle e ts'oana le PTFE, Chemours (ba nang le matšoao a khoebo) ba nka hore tšebeliso ena e fosahetse, haholo kaha ha ba sa etsa Teflon ka mokhoa oa theipi. Thepa e boetse e sebetsa e le setlolo se ka holofalang le setlolo sa likhoele, se thusa ho tiisa lenonyeletso ntle le ho thatafala kapa ho thatafalloa ho tiisa, mme ho e-na le hoo ho nolofaletsa ho tiisa.
Ka tloaelo theipi e thatelloa ka har'a khoele ea phaephe ka makhetlo a mararo pele e sotheloa sebakeng sa eona.E sebelisoa hangata khoebong lits'ebetsong tse kenyelletsang lits'ebetso tsa metsi tse hatelletsoeng, litsamaiso tse futhumatsang tse bohareng, le lisebelisoa tsa khatello ea moea.
Mefuta
Theipi ea tiiso hangata e rekisoa ka li-spools tse nyane.
Ho na le litekanyetso tse peli tsa US bakeng sa ho khetholla boleng ba tepi efe kapa efe ea PTFE.MIL-T-27730A (litlhaloso tsa sesole tse sa sebetseng tse ntseng li sebelisoa indastering ea US) li hloka bonyane botenya ba 3.5 mils le bohloeki bo tlase ba PTFE ba 99%. tlhokahalo ea botenya ea MIL-T-27730A 'me e eketsa boholo ba bonyane ba 1.2 g/cm3. Litekanyetso tse amehang li ka fapana lipakeng tsa liindasteri;tepi bakeng sa lisebelisoa tsa khase (ho ea ho melao ea khase ea UK) e tlameha ho ba tenya ho feta ea metsi.Le hoja PTFE ka boeona e loketse ho sebelisoa ka oksijene ea khatello e phahameng, tekanyo ea tepi e tlameha ho tsejoa hore ha e na mafura.
Theipi ea tiiso e sebelisoang lits'ebetsong tsa lipeipi hangata e tšoeu, empa e fumaneha ka mebala e fapaneng.Hangata e sebelisoa ho lumellana le liphaephe tse nang le mebala (US, Canada, Australia le New Zealand: mosehla bakeng sa khase ea tlhaho, e tala bakeng sa oksijene, joalo-joalo).Likhoutu tsena tsa mebala bakeng sa theipi e tiisang likhoele li ile tsa hlahisoa ke Bill Bentley oa Unasco Pty Ltd ka bo-1970.UK, theipi e sebelisoa ho tloha ho li-reel tse mebala, mohlala, li-reel tse mosehla bakeng sa khase, tse tala bakeng sa metsi a nooang.
E tšoeu - e sebelisoa ho likhoele tsa NPT ho fihla ho 3/8 inch
Yellow - e sebelisoang likhoeleng tsa NPT 1/2 inch to 2 inch, hangata e ngotsoe "teipi ea khase"
Pinki - e sebelisoang likhoeleng tsa NPT 1/2 inch to 2 inch, e bolokehile bakeng sa propane le mafura a mang a hydrocarbon
Botala - PTFE e se nang oli e sebelisoang litseleng tsa oksijene le likhase tse itseng tsa bongaka
Grey - e na le nickel, anti-seizing, anti-gailling le anti-corrosion, e sebelisetsoang liphaephe tse sa hloekang.
Koporo - e na le li-granules tsa koporo 'me e netefalitsoe joalo ka setlolo sa likhoele empa eseng se tiisang
Europe maemo a BSI BS-7786:2006 a totobatsa limaraka tse fapaneng le maemo a boleng ba tepi e tiisang khoele ea PTFE.
Nako ea poso: Apr-04-2017