The Curious Dreamer’s Dream Dictionary

by Nancy Wagaman
Permission, or control of a boundary (since a valve is what allows or disallows fluid to pass through).

Regulation of a flow (such as of emotions or a process).

Control of flow, including stopping, starting, or regulating how fast something is allowed to proceed.

Consider also the context, role, and condition of the valve (for example, a steam exhaust valve might represent control over one’s anger, while a broken valve might represent someone who’s ineffectively managing a process).

See Vent, Faucet, Door or Entrance, Flow or River, Water, Controlling

Strangest Dream Explanations

by Dream Explanations - Anonymous
Dreams of a valve signify your ability to control, manipulate and/or regulate the flow of abundance, emotions, and creative energy in your life.

If you dream that the valve is shut off, then you are realizing that you are at choice regarding turning it on.

Dream Dictionary Unlimited

by Margaret Hamilton
The device that can restrain or regulate indicates a need for adjustment