Aramid continuous fiber packing with PTFE dispersion and lubricant; it is recommended to use hardened shafts or WS sleeves (40 – 60 HRC). Wear-resistant packing for centrifugal and piston pumps (precompressed rings) and agitators. Further design: – 1744UP – “shaft-protecting” aramid packing, high PTFE dispersion/gelite content. (Min. temperature: -50 – max. temperature: 280; Min. pH value: 1 – max pH value: 13; Max. speed: 20m/s).