The PF6000 Series Pumps are a Bi-directional rotation providing constant flow direction regardless of drive shaft rotation. The pumps come with multiple Seal Options: Standard Fluorocarbon with high-pressure shaft seal. Split-Flow® models can supply multiple, independent flows from one pump! Multiple flows are achieved by combining the output of individual pistons in various combinations (up to one outlet per piston). This pump has either 8 or 10 pistons depending on the model.