Butt welding flange e bua ka flange e nang le molala le phetoho ea phala e chitja le khokahano ea tjheseletsa ea butt le phala.Re hlahisa ASME B16.5 butt welding flanges, ASME B16.47 butt welding flanges, DIN 2631 butt welding flanges Welding flanges, DIN 2637 butt welding flanges, DIN 2632 butt welding flanges, DIN 2638 butt welding flange, 23 butt welding, 23 joalo-joalo Li-flange tsa welding li loketse liphaephe tse nang le liphetoho tse kholo tsa khatello kapa mocheso kapa mocheso o phahameng, khatello e phahameng le liphaephe tsa mocheso o tlaase li boetse li sebelisoa bakeng sa liphaephe tse tsamaisang mecha ea phatlalatso e theko e boima, e tukang le e phatlohang.Li-welding flange tsa butt ha li holofale habonolo, li na le tiiso e ntle, 'me li sebelisoa haholo.