Manufacturers of uPVC Column Pipe . uPVC Column/Riser Pipe Exporters of uPVC Column Pipe Salient Features • Square thread pipes alongwith coupler gives high tensile load holding capacity. • Smooth internal surface allows the liquid to Flow at low friction which increase the water discharge • Special rubber seal are provided alongwith thread to prevent leakage at high pressure ... https://www.sabarpumps.com/products/upvc-column-pipe/