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What are the features of an unloader pressure regulating valve with pressure switch

Unloader valves: flow management with By-Pass for variable flow systems

In systems where no nozzle outlet flow is required even when the pump is running, it is essential to install an unloader valve. This type of valve performs the same main function as an unloader valve, but contains an unloader device which directs the flow back through a by-pass line when the nozzle outlet is closed (e.g. via a gun). This by-pass flow can be connected to the source of the system, to a collection tank or discharged. This solution also allows pressure to be released in the system when it is not in use, increasing pump life and reducing wear. The pressure switch allows the valve to automatically activate according to the set pressure, thus ensuring precise control and increased operational safety.

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