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RPDA high pressure actuator built
solid for all your control valve needs
Custom Coatings Available
Standard preparation of Becker RPDA actuators in-
cludes sandblast per SP-10 and epoxy coating for above
ground actuators and coal tar epoxy for below ground
actuator portions. RPDA actuators are available with
custom coatings to suit application needs
Bleed to Pressure System* Can Eliminate
Bleed Gas Emissions
GE’s Becker RPDA Actuators feature the unique ability
to incorporate the Bleed to Pressure System feature.
GE’s Becker RPDA Actuators and control instrumenta-
tion can accept high pressure power gas and discharge
bleed gas to lower pressure systems.Bleed to Pressure
Systemeliminates all atmospheric emissions!
Maintenance Free
The RPDA actuator is designed to be maintenance free,
no regular lubrication is required for the piston cylinder
or the actuator mechanism.
High Pressure Capability
The RPDA actuator is specifically
constructed to accept high
pressure natural gas up to
500 psig (3448 kPa). Higher
pressure power gas allows use
of smaller actuators and
implementation of Becker
products’ unique Bleed to
Pressure System.
Vertical Advantage
Upright actuator promotes
longer actuator piston seal life,
saves space, and requires less
maintenance than other actuators.
Easy to Read Travel Indicator
All RPDA actuators come equipped
with a precision linear scale that
indicates valve position in ten
percent increments.
Crank Arm Designed
for Control Valves
Crank arm design actuators are specifically
suited for control applications. The crank arm provides
an increasing torque curve that develops high torque
output where it counts. Additionally, the crank arm
design minimizes friction and lost motion.
Torque Arm Bearings
RPDA Actuators feature two large Torque Arm
Bearings to eliminate side load to control valve stem.
Both inboard and outboard torque arm bearings are
manufactured from non-metallic Duralon
material to
ensure maximum load bearing capacity.
Duralon is a registered trademark of Rexnord, Inc.
Below Ground Actuator Option Reduces Noise
Attenuation up to 37 dBA
Becker RPDA actuators are available with a unique
below ground option that provides superior noise
attenuation in regulator stations at minimal cost.
Additionally, below ground stations minimize ambient
heat loss by maintaining piping systems below ground.
We can retrofit to almost any valve in
your pipeline
We can provide high quality actuators to mate to al-
most any quarter turn valve, regardless of manufacturer
or age. We have years of experience successfully adapt-
ing our actuators to fit a multitude of valves.
U-Cup Seals
U-cup Piston Seals are designed to provide superior
sealing capabilities with minimal friction. This design
allows accurate positioning of the control valve actuator
with very slight pressure differential to the piston.
Figure 6 - Cutaway view of RPDA Actuator and Cylinder.
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