Disclosed is an embodiment of a method of operating a valve system and each valve system.The exemplary valve system may include a valve body, an inlet component, an outlet component, and a valve tube.The valve body may include a first gap and a second gap.The inlet component may be coupled to the first gap and the outlet component may be coupled to the second gap.The valve tube may include side ports, penetrating through the valve body, and may be coupled to the first gap, inlet component, second gap and outlet component.Other valve system embodiments may include a valve body, a first partition, a second partition, a first piston, a second piston, and a tube.The disclosed methods illustrate the interaction of respective components of each valve system embodiment.
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