Accumulator circuits for pump pressure relief

An accumulator circuit helps the system keep the accumulator charged within the desired pressure range.

It works similarly to a thermostat, maintaining the pressure in the accumulator within an adjustable minimum and maximum level.

How do accumulator circuits work to unload the pump

Here, an accumulator valve is used together with a remotely controlled pressure relief valve to unload the pump. Another example is to combine it with a priority valve to redirect the flow to another function.

This solution creates energy-efficient and effective systems, making it well suited, for example, in battery-powered hydraulic systems and energy-saving hydraulic architecture.

Manual or electrical draining

There are also manifolds with manual or electrical draining of the accumulator, in order to avoid the risk of trapped pressure in the system after shutdown.

CE marking and sealing

If required, a CE-marked sealed pressure relief valve is available, in accordance with the Swedish Work Environment Authority’s regulation on pressure equipment AFS 2016:1.

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