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| We
want you to receive the benefits of continuously improving service
levels.
To
increase our understanding of what you need, we have utilized
an outside company - The
YPS Group. These sales process engineering
and sales training experts, along with your help, will aid
us in becoming more "customer focused."
Please
click on this link and take a moment to provide your perspective.
Thank
you.
Rick
Howe, President
The Knotts Company, Inc.
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Knotts
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Design
and Assembly Group Brochure
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NEW
THIS MONTH...
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Customer
Service Direct: This new
e-mail service allows you to obtain fast answers to your questions
and/or concerns. No more waiting on hold while your Customer
Service Representative does research.
New
Products...
Bimba:
Availability of Stainless Steel Repairable Original Line Cylinders
in 2 bore sizes.
Humphrey:
HJA Series Solenoid Valves.
Norgren:
Series C Cylinder Obsolescence.
Omron:
Updated
NT-Series Operator Interface Terminals Catalog, New Timers
and Counters Catalog, F250 Vision Sensor, E3S-LS3N & E3S-LS3NW
Sensors.
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SPECIALIZED
INDUSTRY APPLICATION...
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Solve
it using Bimba's Pneu-Turn Feedback Rotary Actuator...
Problem:
The application requires the throttling of a butterfly valve for
process control. By throttling a valve, the flow can be controlled.
Such applications are typically found when initially pumping down
a system, or if there is a need for an exhaust damper. It is important
to know the position of the valve, not only to control it, but so
it can retain flexibility to suit each application. Typical ways
of controlling a butterfly valve is with either a pneumatic actuator,
or an electronic stepper motor arrangement, mounted on the valve.
Solution:
Bimba's Pneu-Turn Position Feedback Pneumatic Rotary Actuator (Model
PTF) coupled to the valve provides an outstanding solution. In conjunction
with Bimba's Pneumatic Control System (Model PCS), Bimba's PTF provides
continuous shaft position sensing. The PCS requires a 0 to 10 VDC
command signal; a 1-volt change in the command signal is equivalent
to 18 degrees of rotary motion. Advantages over conventional stepper
motors are that there aren't any physical steps, providing an advanced
degree of control.
For
further product details and specifications, visit Bimba's website
at http://www.bimba.com/products/prod7.htm
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TECHNICAL
TIP...
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back
to top
Locked
Cylinder Using Pilot Operated Check Valves...
Some
cylinder applications require that the piston be locked at
rest so that it cannot be moved by an external force. Three
position valves can do this, but leaks in the airline connections
may cause the cylinder to creep. Using pilot operated check
valves directly at the cylinder port will lock the air in
the cylinder, as long as the pilots are off. When extending
and retracting the cylinder we use the opposite cylinder line
to pilot the check. For example, we label the rod end of the
cylinder "A" and the opposite end "B",
and put pilot check valves at both A & B. When we want
to extend the rod, the air from the directional control valve
is routed to the "B" port of the cylinder. It must
also be routed to the PILOT port of the "A" check
valve in order for the cylinder to move. While retracting
the rod, we route the air from the DCV to the "A"
port and the PILOT port of the "B" check valve.
For
more information regarding your particular application, please
contact our technical
support.
*our
pilot operated check valve suppliers include Norgren, Deltrol,
Telepneumatic, Pisco & Pneumadyne
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Customer
Service Direct
back
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Are
you too busy to wait while our Customer Service Rep does your
research?
Have
a question, but it's after hours? Is it just plain easier
to use e-mail technology? Could e-mail sometimes be more convenient
and cost effective for you than the telephone or fax?
It's
your choice. Now you have the option to send an e-mail directly
to The Knotts Company's Customer Service Department at csdirect@knottsco.com.
We're determined to be your best provider of Customer Service.
E-mail your questions, orders, and other requests. We will
get back to you in less than 24 hours.
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