... EN14525/ANSI/AWWA C 219 The ductile cast iron Flanged Adaptors and couplings are designed for gas and pipelines ... and therefore dramatically reduces the number of dedicated Flanged Adaptors which need to be stocked for maintenance ... suitable for steel , GRP, PVC, PE, Ductile Iron , Cast Iron and Asbestos Cement . When connecting PE pipes , It ... Body material is GGG500-7 Ductile Iron Flanged Adaptors