Our policy is one of continued research and development. We therefore reserve the right to amend,
without notice, the specifications given in this document. © 2015 Norgren, Inc.
Simplified Valve Circuit Guide
10
Cylinder Extends, Retracts Automatically.
(Spool Valve Shown)
Operation of the manual valve causes the cylinder to extend,
actuating the limit valve which resets the manual valve retracting
the cylinder.
Sequence Circuit, Cylinders Extend in Suc-
cession, Two Valves.
(Spool and Poppet Valves Shown)
Cylinder number 1 extends when the manual valve is actuated.
When the pressure builds up to overcome the set pressure of the
sequence valve (relief valve), cylinder number 2 extends.
1
2
14
CYLINDER
4
12
3
5
MANUAL
VALVE
2
3
1
LIMIT VALVE
EX
CYL. 1
CYL. 2
SEQUENCE
VALVE
CYLINDER NO. 2
CYLINDER NO.1
1
3
2
SPOOL VALVE
POPPET VALVE
IN
