ASCO is the worldwide leader in the design and manufacture of
quality solenoid valves. ASCO products are designed to
control the flow of air, gas, water, oil and steam. Our
heritage of innovation has resulted in an extensive line
of ASCO products that range from two position on/off
valves to entire flow control solutions designed to meet
requirements of thousands of customers. Whether you need
a minor modification of a core product or a complete
flow control solution, we can help.
Micro-miniature solenoid valves, sensors, pneumatic
controls and position indication technology with network
communications capabilities have been recent additions
to the ASCO line of products. ASCO's heritage of
innovation has resulted in an extensive line of products
that range from two position on/off valves to entire
flow control solutions designed to provide thousands of
customer specific solutions.
In the late 1950's ASCO begins to expand internationally. Now having
manufacturing and sales in over 42 countries. In the mid
1970's additional products were introduced, such as, air-operated valves, manual
reset valves and pressure and temperature switches to
satisfy the ever increasing demand of new applications.
ASCO buys Angar Scientific in 1983 the manufacturer of
micro-miniature solenoid valves, now known as ASCO
Scientific. In 1985 ASCO is acquired by Emerson
Electric Co., a Fortune 100 company located in St Louis,
Missouri. Emerson ranks among the world's largest and
most respected industrial corporations. Emerson in
1988 buys Joucomatic, Europe's leading name in pneumatic
valves, and combines it into the ASCO family, now known
in Europe as ASCO Joucomatic.
Some recent additions to the ASCO product line are
pneumatic controls, sensors, and position indication
technology with network communications capabilities.
The solenoid is an electromagnetic part of a valve,
comprised of a coil, coretube, core and enclosure. ASCO
Redhat brand offers the worlds largest selection of 2-,
3- and 4-way solenoid valves, designed to handle the
most demanding fluid control applications.
One inlet and one outlet, and are used to permit and
shut off fluid flow. The two types of operations are
"Normally Closed" and "Normally Open".
These valves have three pipe connections and two
orifices. When one orifice is open, the other is closed
and vice versa. They're commonly used to alternately
apply pressure to and exhaust pressure from a valve
actuator or a single acting cylinder. These valves can
be normally closed, normally open or universal.
These valves have four or five pipe connections,
commonly called ports. One pressure inlet, two cylinder
ports providing pressure to double acting cylinder or
actuator, and one or two outlets to exhaust pressure
from the cylinders.
These valves are designed to automatically drain
condensate in compressed air systems. The series
features standard 2-way solenoid and piloted piston
valves, along with an adjustable electronic timer.
These Series are standard 3-way and 4-way solenoid
valves whose NPT pipe connections and mounting
configurations have been replaced by NAMUR mounting
configuration. This allows each valve to be mounted
directly to an actuator without the use of hard piping
These series are high-flow fast-opening 2 way valves,
pilot valves, pilot valve enclosures and bulkhead
fittings that have been specially designed for use in
dust collector systems.
These series are 2-way, 3-way and 4-way 2-position
valves that are designed for gang mounting into
different quantities of valves. Any combination of
normally closed, normally open or universal valves may
be grouped together.
Isolation valves incorporate a diaphragm that shields
the fluid flowing through the valve from the internal
solenoid components making them ideal for handling
corrosive or high purity fluids. These valves are
available with in-line porting or manifold constructions
and in a wide variety of inert materials.
These series are standard 2-way, 3-way and 4-way
2-position valves that use a manual reset assembly in
replacement of the solenoid. They are designed to
prevent inadvertent valve startup in their designed
failure modes. These series are available in no voltage
release, electrically tripped, and free handle
constructions as well as latched open or latched closed
for 2-way valves.
Micro-Miniature General Service, Isolation, and Pinch
valves for the reliable control of fluids and gases in
medical equipment and analytical instrumentation.
Pinch valves are designed to control the flow of fluid
by locating soft tubing in a mechanism that "pinches"
the tubing to block flow and releases to allow flow.
Pinch valves are suitable for corrosive fluids, high
purity applications, or fluids with particulate.
ASCO commercial application solenoid valves. Developed
and engineered with ASCO's global resources. ASCO S is a
compact solution for 2-way, 3-way and steam valve
applications and can operate in 15°F to 125°F ambient
temperature locations. This solution includes DIN
connection for easy wiring, compact brass bodies and
encapsulated coils. Options include 15" leads, alternate
elastomers, manual operators, and mounting brackets.
ASCO offers a wide variety of accessories and optional
features to meet your specific application requirements.
MPI Warehouse maintains three stocking warehouses convenient to major production areas.
Farmington, New Mexico
Williston, North Dakota
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