Shop MiniBooster HC6D Hydraulic Intensifiers

The miniBOOSTER HC6D hydraulic intensifier, also called a hydraulic pressure booster, is a high-flow, dual-acting inline unit that uses an existing low-pressure hydraulic supply to generate and maintain higher outlet pressure. Its two oscillating pump sections operate alternately to provide substantially greater intensified flow than the standard HC6. The HC6D offers nine intensification ratios from 1.2:1 to 8.2:1, accepts inlet pressures from 20 to 207 bar (290 to 3,000 psi), and produces outlet pressures up to 800 bar (11,600 psi). Depending on the selected ratio, it can deliver intensified flow up to 65 L/min (17.2 GPM) with inlet flow capacity up to 80 L/min (21.1 GPM). Available configurations include the HC6D-A without a dump valve, HC6D-B with an integrated dump valve and HC6D-G with direct proportional pressure control. Applications include large hydraulic presses and cylinders, heavy-duty clamping and workholding, pressure testing, bolt tensioning, construction and mobile equipment, and industrial machinery requiring rapid pressure buildup or very high intensified flow.


The HC6D provides localized high pressure and exceptional flow capacity without requiring a separate high-pressure pump or power unit, helping reduce system complexity, piping, equipment footprint and operating cost. It permits high flow during initial actuator movement, automatically intensifies after supply pressure is reached, stops when the target pressure is achieved and restarts if pressure falls because of fluid consumption or leakage. Warning: Select the intensification ratio using maximum inlet pressure, return-line backpressure, required outlet pressure and flow demand. Never exceed the HC6D’s 800-bar maximum pressure or its ratio-specific flow limits. All hoses, tubing, fittings, valves, gauges, seals, manifolds and actuators must be rated for the maximum possible intensified pressure and expected return flow. Keep return pressure as low as possible, verify that stored pressure has been safely released before service and have installation performed only by qualified hydraulic personnel.




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