July-August 2021

HYDRAULICS 36 HYDRAULICS & PNEUMATICS July/August 2021 www.hpmag.co.uk Enerpac split-flow pump kits expand heavy lifting capabilities Enerpac has introduced new split-flow pump upgrade kits that provide the ability to network multiple hydraulic pumps and coordinated lift points for higher accuracy synchronisation. The new split-flow kits allow operators to combine units to accommodate up to 32 individual lifting points, greatly expanding the capabilities of heavy lifting and rental fleets with minimum investment. Split-flow pump kits allow multiple pumps to be networked together under one consolidated control unit to make a system as small or as large as needed for a specific lifting application. The upgrade kits are an inexpensive means of increasing the number of lift points for contractors that already have split-flow pumps. With existing smaller split-flow pumps, a user does not need to purchase a larger stand-alone unit as one can simply connect the existing pumps with a network kit. No permanent modifications to the pumps are necessary. 1mm lifting accuracy In critical applications, accuracy to within 1mm can be achieved with synchronisation upgrade kits. Split-flow pump kits can upgrade an existing system to provide a feedback loop via stroke sensors that results in a much more accurate lift. Pressure differential in systems with a large, centralised pump and different, longer hose lengths results in loss of accuracy and difficulty synchronising movement between lift points. Split-flow pump kits allow pumps to be connected closer to the lifting points and synchronised resulting in shorter hose lengths and greater stroke accuracy, increasing safety in heavy multi-point lifts. Network and synchro upgrade kits Three upgrade kits are available from Enerpac: SFP Network Kit: Connects several split-flow pumps together to control them from a single control station, allowing the operator to increase the number of lifting points, Single SFP Synchro Kit: Synchronises the lifting points of a single split-flow pump through use of feedback from stroke and pressure sensors and Multiple SFP Synchro Kit: Connects several split-flow pumps together and synchronise all the lifting points using stroke and pressure transducers. www.enerpac.com ABOVE: Enerpac SFP-Series split flow hydraulic pumps (courtesy Ritchie Services). TOP RIGHT: Enerpac split flow pump used for heavy lift skidding. RIGHT: Split flow pump kit junction box consolidates signals from pressure and stroke sensors.