Detailed Product Description pvc fittings, pipe fittings for pvc pipes, pvc pipe fittings1.ductile iron Standards:ISO2531,EN545,EN598, ... Socket Direct can insert fittings.pipe fittings Can connect fitting types Upvc pipe Plastic pipes Steel pipe.Can be used for water ... iron pipe fittings are widely applied to such compressive pipes as water pipeline.oil pipeliine,gas pipeline,sand pipeline,sewerage ...