... seals good 4.anti-corros alumina ceramic shafts for water pumpOD10*80.5,OD10*99,OD14*154,OD14* ... Including the ceramic plunger ceramic plunger pump, ceramic rod, ceramic shaft, ceramic piston, ceramic water valve sheet, ceramic pipe sleeve, ... to 500 ml.Madical care, Hemodialysis machines, Proportion pump, UF pumpAll kinds of pumps and valves using in ... 005 alumina ceramic shafts for 20/30/90W water pump