Puas yog NPT xov hermetically kaw?
NPT yog lub npe luv ntawm National (Asmeskas) Cov Yeeb Nkab Xov, uas yog koom nrog Asmeskas tus qauv 60-degree kab xev yeeb nkab xov.
NPT threads tau muab faib ua cov kab sib txuas uas muaj qhov sib thooj sib thooj thiab cov dav dav kaw cov yeeb nkab conical.
NPT xov siv sealant los xyuas kom sib khi, thiab nptf qhuav kaw cov xov kuj tseem tuaj yeem siv tau, thiab cov sealant siv los ua kom tiav txhua qhov khoob.
Thaum kev sib khi yuav tsum nruj, cov foob yuav ua tsis tau vim qhov kub thiab txias siab. Lub sijhawm no, NPTF qhuav kaw cov xov tuaj yeem siv tau.
