It may be used as the liners of pipelines for hydraulic / pneumatic conveyance of abrasive / corrosion materials or slurry.We can offer the basalt pipes with nominal diameter of40mm 800mm.MAIN SPECIFICATIONS OF CAST BASALT PIPESNO.DntLZG10010017.52025500-1000ZG125125ZG150150ZG175175ZG200200ZG225225ZG250250ZG275275ZG300300ZG350350NO.DntLZG40040020,25500-1000ZG450450ZG50050025ZG550550ZG60060030500-800ZG650650ZG700700ZG750750ZG800800