DI stepped ranger coupling The Universal Couplings are designed for pipelines as a wide tolerance system it will fit most standard pipe materials and therefore dramatically reduces the number of dedicated Couplings which need to be stocked for maintenance purposes, it is suitable for steel, GRP, PVC, PE, Ductile Iron, Cast Iron and Asbestors Cement. When connecting PE pipes, It is important that pipe inserts are fitted to the PE pipes. 1) All the couplings are assembled by " D " bolts. 2) Bolts, Nuts and Washers are in carbon steel Grade 4.8, 8.8 with zinc plated, dacromet coating or according to customer's request. 3) Body material is Ductile iron GGG500-7. 4) Fusion bonded epoxy powder coating in blue, black or red or according to customer's request. 5) Gaskets material: E. P. D. M., NBR or SBR. Specification Unit Weight Sealing Ranges(mm) inches mm kgs 2" 50 3.6 59~732 1/2" 65 4.50 72~853" 80 4.83 88~1034" 100 5.51 108~1285" 125 7.74 132~1546" 150 8.32 159~1827" 175 11.30 192~2098" 200 9.95 218~23510" 250 14.50 271~28912" 300 18.62 322~34014" 350 26.00 374~39116" 400 28.85 417~43718" 450 33.40 480~50020" 500 50.00 526~54624" 600 54.10 630~650
