Tare da wannan tef ɗin hatimin zaren PTFE, babu buƙatar amfani da ƙwanƙwasa bututu mai ɗanɗano lokacin da kuke yin gyare-gyare.Tef ɗin PTFE yana da kyau don samar da sauri, mai tsabta, hatimin iska.Ya dace da layin ruwa, iska ko iskar gas kuma yana aiki akan zaren ƙarfe ko bututun PVC.Sauri, mai tsabta, hatimin iska;Aiki akan ƙarfe mai zare ko bututun PVC;Mai kyau don ruwa, iska ko layin gas.
Tef ɗin hatimi (kuma aka sani da tef ɗin PTFE ko tef ɗin plumber) fim ne na polytetrafluoroethylene (PTFE) don amfani da zaren bututu.Ana sayar da tef ɗin a yanke zuwa takamaiman nisa kuma a raunata a kan spool, yana sauƙaƙa iska a kusa da zaren bututu.Hakanan an san shi ta hanyar kaset ɗin polymer da aka haɗa;yayin da polymer a haƙiƙa yayi kama da PTFE, Chemours (masu riƙe alamar kasuwanci) sun ɗauki wannan amfani da kuskure, musamman tunda sun daina kera polymer a sigar tef.Zaren hatimin tef ɗin yana ba da izinin zama mai zurfi na zaren, kuma yana taimakawa hana zaren daga kamawa lokacin da aka cire su.Hakanan tef ɗin yana aiki azaman filler mai lalacewa da mai mai mai zare, yana taimakawa wajen rufe haɗin gwiwa ba tare da taurare ko yin wahalar dannewa ba, a maimakon haka yana sauƙaƙa ɗaurewa.
Nau'ukan
Tef ɗin hatimin zaren da ake amfani da shi a aikace-aikacen famfo ya fi fari, amma kuma ana samunsa da launuka daban-daban.Ana amfani dashi sau da yawa don dacewa da bututun masu launi (US, Kanada, Australia da New Zealand: rawaya don iskar gas, kore don oxygen, da dai sauransu) .A cikin Burtaniya, ana amfani da tef daga reels masu launin, misali rawaya reels don gas, kore don ruwan sha.
* Farar fata - ana amfani da shi akan zaren NPT har zuwa 3/8 inch* Yellow - ana amfani da shi akan zaren NPT 1/2 inch zuwa 2 inch, galibi ana yiwa lakabin "tef ɗin gas"* Pink - ana amfani dashi akan zaren NPT 1/2 inch zuwa 2 inch, lafiyayye don propane da sauran man fetur na hydrocarbon * Green - PTFE mara amfani da man fetur da aka yi amfani da shi akan layin oxygen da wasu ƙayyadaddun iskar gas na likita * Grey - ya ƙunshi nickel, anti-seizing, anti-galling da anti-corrosion, wanda aka yi amfani da shi don bututu maras kyau * Copper - ya ƙunshi granules na jan karfe. kuma an tabbatar da shi azaman mai mai mai zare amma ba mai ɗaukar hoto ba
Lokacin aikawa: Nuwamba-23-2017