Coupling manufacturers Flexible Universal Joint Details: Ductile Iron Universal Coupling According to ISO2531&EN545 Size Range: DN40-DN600 Pressure: PN10/16 Bolts and Nuts material:Carbon Steel Coating: Fusion Bonded Epoxy coating Use: This kind of couplings can be used for ductile iron or PVC pipes. Features For STEEL . DI , UPVC,PPR,CI AND AC pipes or almost any other rigid pipe material...