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Installation
Figure 6
Double-Acting Operation
Inward Stroke
B-port
A-port
Ps
Rb
Pilot
valve 1
5/2 Spool valve
Ra
Option: LMC
Option:
Throttle 1
Option:
Throttle 2
1.
Send control signal “Close” to the Control Module.
2.
Pilot valve 1 will be deactivated and the 5/2 spool valve will pressurize the end cap
air chambers.
3.
The piston will move inwards to the “Closed” position.
4.
The Control Module indicates the “Closed” position and activates feedback
signal “Closed”.
Optional Controls:
LMC Local Manual Control
SC
Speed Control throttles
Important
In case of an electric control signal failure, the actuator will move to its "Closed" position.
Installation, Operation and Maintenance Manual
DOC.IOM.BQ.E Rev. 3
April 2019
13
Section 4: Installation