... TFC membranes.3. High pressure RO Pump: On smaller units. CAT 316 SS plunger pump or equivalen. On larger units ZYI ... uniquely design pumping system, including multi-stage centrifugal pump, energy recovery ... diversion High turbidity diversion Membrane Cleaning/Flushing SystemIncludes high flow pump, 316 SS, heater. It cleans membranes when needs, ...