CS1 & CWS1 Series Valves
V-228CP
Valve Body Service Kit
Consisting of items: 1 thru 7 ........................................ PL502800
Application
At rest position (shown):
Line pressure in Port 01 of CS1 Sequence valve. Port 02 open
to exhaust through clamp valve. CS1 shifted (in ACTUATED
position). Pilot head of work valve open to exhaust through Port
A of CS1.
Operation:
Energize clamp valve, directing pressure to head end of clamping
cylinder and Port 02 of CS1. When pressure to Port 02 of the
valve comes within 15 to 20 PSIG of equalling line pressure
in Port 01, the valve reverses. Line pressure then reaches
head of work valve and work cylinder advances.
Return Stroke:
De-energizing clamp valve exhausts head of clamping cylinder
and Port 02 of CS1. CS1 returns to ACTUATED position,
exhausting pilot head of work valve. Both cylinders return.
Note: Pressure buildup in head of clamping cylinder is what
causes Sequence Valve to operate. Flow control valves,
elbows or other restrictions in clamping cylinder lines must
be applied with caution or work cylinder may operate
before clamping cylinder has completed stroke.
6
7
5
4
2
1
3
3
Port 01
Port 0
Port B
Port A
Port 02
Series CS1
6
7
5
4
2
1
3
3
Port 01
Port 02
Series CWS1
Port 0
Port B
Port A
LUB
R
F
Clamp
Cylinder
Clamp
Valve
Work
Cylinder
Work
Valve
CS1
(Shown Actuated)
Port 01
Port 02
