JUNE 2007 ISSUE
ASCO Red Hat
Next Generation Solenoid Valves
ASCO introduces Red Hat Next Generation, a new series of solenoid valves that use
electronic technology to better manage power consumption, reducing operating costs.
These energy-efficient valves draw only 2 watts of power, as compared to conventional
solenoids that draw as high as 17 watts. This savings of power usage lowers total
cost of ownership up to 14% over the installed life of the valve. Three major advantages
of these new type valves are 1) increased performance capability 2) lower power
usage and 3) modular design. This combination provides customers energy efficient,
off-the-shelf high-value solutions at an economical price allowing for a more versatile
use of inventory and quicker deliveries. RHFS Flow Solutions has made a significant
commitment to maintaining higher levels of ASCO solenoid valve inventory. "Our goal
is to shorten lead times and improve customer service. We're happy to report that
we're already seeing faster delivery to our customers' said Joe Nassar, VP Operations
for RHFS. Our recent efforts to stock a larger variety of ASCO products for our
Power and Industrial Market customers has helped customers meet the demands of fast-paced
projects, making RHFS a more valuable supplier as well. The solenoid uses a power
management circuit to provide for lower power consumption, enhanced pressure and
flow ratings, and electrical surge suppression to both the solenoid and electronic
controls. Red Hat Next Generation valves accept both AC and DC voltages without
sacrificing flow or pressure specifications. In this way, DC solenoid performance
has been increased by 150% to 500% from today's industry standards, making the valves
DC characteristics equivalent to AC pressure and flow valves. This simplifies your
control by eliminating the need for AC output cards, reduces wiring costs, and provides
safer working environments for users operating on DC. Call 1.925.443.9800 for more
information of to schedule a visit with a local RHFS field sale engineer.
Filtration Control
To remove suspended solids for many processes the pre-coat
or diatomaceous earth (DE) filters are used to remove any suspended solids. There
are many processes that require a physical separation of one of more on the components.
It is important to know when any separation process has failed or is not operating
efficiently. This results in the high concentrations of suspended. There need to
be some type of monitor to detect filter failure to minimize downstream contamination.
A continuous filter separates solids by entrapping the suspended material in the
filter medium while allowing the liquid portion to pass. The build-up the trapped
solids will increase the pressure drop across the filter. The Mettler Ingold Forward
Scatter Model 8300/8200 is designed to measure levels of turbidity before and after
the filter. If very low levels are expected or required (0-500 ppm) it is best to
measure the filter product with the Mettler Ingold Forward Scatter Model 8300FS/8400.
Forward scatter is best for extreme low levels of turbidity. Turbidimeters have
also been use to monitor and control the DE addition and dosing. By monitoring the
addition we can assure the proper amount of DE is applied to the filter. This optimizes
DE usage and filter performance. This is done by using the analyzer to detect when
the filtered product is below the required level. The dual benefit is maximum on-line
time and minimum DE usage. .
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