1. Hona joale ho na le litekanyetso tse 'nè tsa flange Chaena, e leng:
(1) National flange standard GB/T9112~9124-2000;
(2) indasteri ea lik'hemik'hale flange standard HG20592-20635-1997
(3) Indasteri ea mechine flange e tloaelehileng JB / T74 ~ 86.2-1994;
(4) Tekanyetso ea flange bakeng sa indasteri ea petrochemical SH3406-1996
Ho nka mohlala oa naha ka mohlala, hlalosa khetho ea li-flange.Flange ea maemo a naha e arotsoe ka litsamaiso tse peli tse kholo: Sisteme ea Europe le ea Amerika.Likhatello tse ikhethileng tsa li-flange tsa tsamaiso ea Europe li kenyelletsa: PN0.25, PN0.6, PN1.0, PN1.6, PN2.5, PN4.0, PN6.3, PN10.0, le PN16.0MPa;Likhatello tse ikhethileng tsa li-flange tsa tsamaiso ea Amerika li kenyelletsa PN2.0, PN5.0, PN11.0, PN15.0, PN26.0, le PN42.OMPa
2. Motheo oa ho khetha li-flanges
(1) Thepa ea mokhoa oa ho tsamaisa, ho kenyeletsoa mokhoa o akaretsang, mokhoa o khethehileng, mokhoa o chefo, o ka chang le o qhomang;
(2) Ho ipapisitsoe le litekanyo tsa seaplane, khatello ea ho sebetsa le mocheso oa ho sebetsa, ha seaplane se ikemiselitse, khatello ea lebitso PN ea flange e khethoa ho latela mocheso o sebetsang le khatello ea mahareng.
(3) Etsa qeto ea mokhoa oa ho hokahanya le foromo ea ho tiisa holim'a metsi pakeng tsa li-flanges le liphaephe ho latela sebaka sa tšebeliso le maemo a ho hokahanya.
(4) Etsa qeto ea litlhaloso tsa flange ho latela ntho ea ho hokahanya.
Nako ea poso: Feb-28-2024