Page 77 - Pneumatic ebook (2)_draft 13 sept 2021
P. 77
Directional Control Valve (DCV)
Description of basic symbols of DCV
c.
Arrowed line indicates the
direction of the flow paths
b. d.
The number of squares Lines drawn at right angles
(boxes) referring to in the squares are known
number of switching as shut off positions
positions the valve has
e.
a.
Switching positions of valve The lines on the outside of the
are represented as squares box shows connection ports
(inlet and outlet ports)
INTRODUCTION TO PNEUMATIC SYSTEM 34
