unversal coupling for PVC pipe, DI pipe, UPVC pipe DCI unversal coupling body&gland: ductile iron bolting: carbon steel grade 8.8/stainless steel coating: epoxy ral5017/rilsan bolts cap: NBR unversal coupling for ductlle iron pipe, cast iron pipe, steel pipe, asbestos cement pipe, upvc pipe. DN50 DN65 DN80 DN100 DN125 DN150 DN200 DN250 DN300...