Position Boxes
Position Boxes
Every valve provides two or more usable positions, each position providing one or
more flow paths. For example, the familiar single solenoid spring return valve
provides two usable positions, one position occurring when the solenoid is in
command of the valve, the other position occurring when the spring is in command
of the valve. The ANSI symbol for a directional valve is built around a series of
boxes or rectangles, one box for
each usable position of the valve.
A 2-Position valve is shown by two boxes.
A 3-Position valve is shown by three boxes.
A 2-Position valve is shown by two boxes.
A 3-Position valve is shown by three boxes.
Most air moves are either 2-position or 3-position valves, but it would be possible to
have an unusual valve with four or five or even six positions. In any case, there
would be a box to represent each position of the valve.
have an unusual valve with four or five or even six positions. In any case, there
would be a box to represent each position of the valve.
Categories:
Pneumatic,
Pneumatics System
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