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actuators and accessories
186
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VICI AG International Sales: + 41–41–925–6200 Fax: + 41–41–925–6201
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Actuators
Air . . . pages 194-195
Microelectric . 188-191
Standard
electric . . . . . . 193
Controllers and
Accessories
41E1 . . . . . . . . . 198
4-way solenoid
air valve
DVI . . . . . . . . . 199
Digital valve interface
DVSP . . . . . . . . 196
Digital valve sequence
programmer
HSSA . . . . . . . . 198
High speed switching
accessory
MSVA . . . . . . . . 198
Manifold 3-way
solenoid valve
assembly
PFAF . . . . . . . . . 199
Position feedback for
air actuators
RAD . . . . . . . . . 204
Right angle drive
SVI . . . . . . . . . 197
Serial valve interface
Mounting Hardware
Closemount
assembly . . 208-209
Standoff
assembly . . 205-207
Actuators and Accessories
Two position valves switch back and forth between Load and Inject, or Position
A and Position B. Selectors operate in continuous revolutions by incremental
steps. There are several ways to actuate each type of valve, along with a number
of supporting controllers and devices to interface the actuators with computer-
controlled systems.
With the exception of low pressure Cheminert selectors, we recommend that
selectors be purchased with air or electric actuators. While a manual detent
assembly is available, the higher turning torque of our other selector designs
makes them more difficult to position accurately by hand.
Manual Actuation
Simplicity and low cost are the main
advantages of manual actuation.
Some models can be ordered with
position feedback, an option which
sends a signal to start a data system
when the valve is switched.
Air Actuation
Air actuators are useful in situations
where any spark could be disastrous
or where there is no electricity
available. They are small, relatively
inexpensive, very rugged and
dependable, and field-serviceable.
Low gas consumption and lightweight,
compact construction make the air
actuator suitable for aerospace flight
hardware applications as well as
laboratory or process applications.
With the addition of a DVI (digital valve
interface) to translate the timed event
signals into the necessary air pulses,
air actuators can be automatically
switched by a data system, integrator,
or controller such as our DVSP (digital
valve sequence programmer) or SVI
(serial valve interface).
Air actuator
Two position, page 195
Selector, page 194
Knobs
page 204
CHROMalytic TECHnology Pty Ltd AUSTRALIAN Distributors e-mail: sales@chromtech.net.au Tel: 03 9762 2034