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 khethehileng '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. likhoele tse tsoang ho ts'oaroa ha li sa koaheloa.Theipi e boetse e sebetsa e le setlolo se holofalang le setlolo sa likhoele, se thusa ho tiisa lenonyeletso ntle le ho thatafala kapa ho etsa hore ho be thata ho tiisa, mme ho e-na le hoo ho etsa hore ho be bonolo 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%. tlhoko ea botenya ea MIL-T-27730A 'me e eketsa boima ba bonyane ba 1.2 g/cm3. Litekanyetso tse amehang li ka fapana. pakeng 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 meleng ea 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 a BS-7786:2006 a hlakisa limaraka tse fapaneng le maemo a boleng ba tepi e tiisang khoele ea PTFE.
Nako ea poso: Apr-04-2017