ခြုံငုံသုံးသပ်ချက် အရွယ်အစား Lap Joint Flange အရွယ်အစား- 1/2"-160" DN10~DN4000 Facing Flat Face Full Face (FF), Rased Face (RF), Male Face(M), Female Face (FM), Tongue Face(T)၊ Groove Face (G)၊ Ring Joint Face (RTJ/RJ)။နိုင်ငံတကာ Standard Flanges Dongsheng သည် European Standard Standard EN 1092-1 Pressure PN6~PN100 Size: DN10~ DN4000 အမျိုးအစား Plate၊ Loose plate, Blind, Welding neck, Hubbed slip on, Hubbed threaded British Standard Standard BS 4504 Pressure PN2.5~PN : DN10~ DN4000 BS 10...