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Types
Of Products
ACTUATORS
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Electric Actuator - Electric actuators are well suited for
applications where it is impractical and/or too costly to install and
maintain an air supply for pneumatic actuators. They can be powered by
AC or DC voltage from 12 to 480 volts depending on the size of the
unit. On-Off, modulating, and spring return/fail safe action is
available to produce a linear or rotary motion. |
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Since the actuators electrical connections require an enclosure, it is
available for a variety of control and feedback devices. These will
frequently include a 4 to 20 mA control input signal, end of travel,
position indicating, and torque limit switches, and a 4 to 20 mA
actuator position output signal. |
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For
situations that require fast, powerful, and very precise actuation,
the electro-hydraulic actuator combines the power and speed
of hydraulics with control and feedback advantages of the electric
actuator.
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Electric
and electro-hydraulic actuators are commonly used to interface
with computerized control systems. Final elements controlled
include boiler burners and dampers, product positioning on machinery,
and ball, images/butterfly, globe and multi-turn gate valves.
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Click
here to request a quote for an electric
or electro-hydraulic actuator. |
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Pneumatic
Actuator - Pneumatic actuators are well suited for applications
where there is an existing air supply and air control signal
system. The actuator normally requires a 60 to 100 psig air
supply and a 3 to 15 psig control input signal for modulating
service. Spring return fail open or closed, or double acting
control action are all available. They are a good choice for
hazardous area applications. They also provide fast and powerful
linear or rotary motion.
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For
modulating control, pneumatic actuators are normally
ordered with a positioner which accepts a 3 to 15 psig
control input signal. The actuators can also be fitted
with current to pneumatic transducers or I/P positioners
which accept 4 to 20 mA control signals. Other available
accessories include pneumatic or electronic actuator
position output signals, end of travel, position indicating,
and torque limit switches, and pneumatic controllers.
Pneumatic
actuators are most commonly used for automating ball,
images/butterfly, globe, and plug valves. The actuator and
sometimes the controller are usually an integral part
of the control valve assembly. They are also used for
dampers and other types of positioning control.
Click
here to
request a quote for a
pneumatic actuator.
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In-Line
Analyzer - In-line liquid analyzers and sensors for industrial
processes, municipal water, wastewater, and power generationmost
often use in-line sensors and microprocessor based analyzers.
These devices are preferred for measuring Conductivity, Dissolved
Oxygen, pH, ORP, and Turbidity.
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The
sensors can be mounted in the main flow stream or in a
side stream if temperature or other conditions are beyond
the sensor capabilities. Retractable sensor assemblies
are used where sensors need to be removed without disrupting
the process flow. |
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In-line
sensors are also available with Tri-Clamp or Perlick fittings
for Clean-In-Place (CIP) and 3-A sanitary applications in
the beverage, food, and pharmaceutical industries.
Click
here to request a quote for an In-line
analyzer.
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Sampling
Analyzers - Sampling analyzers for measuring down to PPM
(parts per million) and PPB (parts per billion) concentrations
for Chlorine, Dissolved Oxygen, Hydrazine, Phosphate, Silica,
and water hardness most often extract samples from one or
more process streams.
The samples
are analyzed in microprocessor based instruments often using
colorimetric and/or ion-sensitive electrodes. The samples
are compared to known chemical standard solutions which are
stored in the analyzer enclosure. Sampling systems are frequently
used to monitor drinking water, industrial effluent, and ultra
pure water for power and process plants.
Click
here to request a quote for a sampling
analyzer.
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Hand-Held Analyzers - For quick on site measurements
where the process fluid is easy to access, portable hand-held
units are available to measure Conductivity/TDS (Total Dissolved
Solids), pH, ORP, and Resistivity. In addition, the hand-held
unit can read the sample temperature.
Click
here to request a quote for a hand-held
analyzer.
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