BS thread galvanized malleable iron pipe fittings ISO9001:2008 output 20,000tons ... , locknut, cross, cross over, coupling, union, flange, and so on2. Thread Standard: BS, NPT,DIN3. Edge: banded, beaded, plain4. Surface: galvanized ... -311-87873733Mob:86-13731132970Picturer of new automatic casting line: BS thread galvanized malleable iron Pipe Fitting,bends