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The Giant 23280-2.1A pressure actuated unloader is designed for direct mounting to a P300 series pump and features a 2.1mm injector for chemicals. The unloader regulates the flow in the system and maintains system pressure via an adjustable knob that controls the amount of tension on a pressure spring. When no flow is going out the outlet port, all flow is diverted to the bypass port at virtually no pressure. The 23280-2.1A unloader design requires a partial bypass for operation.
Specifications