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Installation, Operation and Maintenance Manual
MAN-03-04-103-0738-EN Rev. 1
Section 1: Introduction
1.1
General Application
Actuators are designed for "ON-OFF" or modulating control of any quarter-turn ball,
butterfly, rotary plug or damper style valve application.
1.2
Technical Data
Supply Pressure
Supply Medium
Temperature Rating
Angular Rotation
1.3
Installation
The actuator can be mounted parallel or perpendicular to pipeline. The actuator can
be installed in any convenient position including vertical, horizontal or upside down.
A.
B.
C.
D.
E.
NOTICE
If jackscrew override is installed, please refer to Section 3 for stroke adjustment.
F.
!
Use correct length mounting bolts! Mounting bolts used in actuator mounting pad may
interfere with the actuator rotary mechanism. Select bolts that will not extend more than
two threads above the back of the mounting pad.
Introduction
Bolt mounting bracket to actuator hand tight. Do not tighten yet.
Install coupling on valve. Be sure rotary stops on valve are removed or adjusted
to allow actuator stops to do the stopping.
Install actuator and bracket to valve being sure to leave all fastener connections
hand tight. If possible, stroke valve and actuator to a half open position 45° and
physically shift actuator back and forth until coupling and all fasteners are relaxed
then tighten all bolts and nuts. This procedure will accurately align valve stem to
actuator output shaft and prolong valve stem seal life. Lift the actuator at a balance
point near the center housing. Do not lift the weight of the valve, see Figure 1.
Cycle valve / actuator assembly and observe for smooth operation.
Adjust travel stops for perfect alignment in both open and closed positions.
Tubing connections - some models utilize two pistons for added power.
Spring-return (single acting) dual cylinders designs require one "jumper" to make
the supply port common on both pistons. Double-acting (air to air) dual cylinder
designs require two "jumpers". See Figure 2 for typical arrangement.
CAUTION
40 - 160 psig (2.75 - 11 barg), see product nameplate
any pneumatic fluid compatible with materials of construction
Standard Range: -20 °F to +210 °F (-28 °C to +99 °C)
Optional Range: -65 °F to +300 °F (-54 °C to +149 °C)
90 degrees ± 8 degrees
Section 1: Introduction
May 2020
1
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