flexible pipe joint 1.connect by flange ,etc. 2.use in water, smoke,acid / alkali ... .cheap & nice &good flexible pipe joint Type: connect by flange ,etc. Usage Media: use in water, smoke,acid / ... cord fabrics, Nylon cord Fabric or steel wire enhaced.. Flange:carbon steel, Q235, cast iron, stainless seel,302 ... ,304 etc. Flange Standard: ANSI,DIN,JIS , BT,GB(China), such ...