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Rephasing Type Hydraulic Cylinders

Rephasing Hydraulic Cylinder

Rephasing cylinders are two or more cylinders plumbed in series or parallel, with the bores and rods sized such that all rods extend and/or retract equally when flow is directed to the first, or last, cylinder within the system.

In "parallel" applications, the bore and rod sizes are always the same, and the cylinders are always used in pairs. The schematic shown on this page is for a "parallel" re-phasing cylinder application. Such circuits are typically used for the steering function on machines.

In "series" applications, the bore and rod sizes are typically different, and two or more cylinders may be used. In these applications, the bores and rods are sized such that all rods extend or retract equally when flow is applied to the first or last cylinder within the system.

This hydraulic synchronization of rod positions eliminates the need for a flow divider in the hydraulic system, or any type of mechanical connection between the cylinder rods to achieve synchronization. All double-acting Energy® cylinders can be modified to take advantage of these rephasing design benefits.

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Available Features Include:

    • Standard bores from 1 inch (2.54 cm) to 10 inch (25.4 cm); other sizes available
    • Standard rod diameters from .625 inch (1.59 cm) to 6 inch (15.24cm); other sizes available
    • Standard strokes to 15 feet (4.57 m); longer strokes available
    • Working pressures to 5,000 psig (345 bar); special designs available for working pressures up to 10,000 psig (690 bar)
    • A wide variety of mounting configurations and end mechanisms
    • A variety of integral valves
    • SAE ORB, NPTF, and other porting configurations available
    • Special housing and rod materials for corrosive or hostile environments
    • Stop tubes, cushions, and external fluid lines
    • Various packing, seal, and wiper materials for optimum life and performance in the customer's application
    • Various surface finishes and treatments for optimum life and performance in the customer's application
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Monticello, IA 52310-9472
(319) 465-3537
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