A most advanced technology packing. A special Duplex Braided constriction made form synthetic polyamide fiber yarn as strong steel and most flexible. Safely recommended for pumping granular and viscous fluids, even under high pressure condition. This packing is suitable for solvents, abrasive slurries, fuel oil, high pressure dozing pumps, mild acids and alkalines. A most effective packing for refinery, high pressure water injection system and anti-extrusion packing pH 3-12