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PUMPS, VALVES & CYLINDERS
Top Product
- Variable Mode
- Variable Flow
 Varistalic
dispenser pumps
The Spencer and Kate models of pumps dispense volumes from 0.5 to 1700ml/cycle
(Spencer) or 0.5 to 1070 ml/cycle (Kate). Spencer can be used in continuous,
manual, or timed mode as a pump or dispenser. Kate can be used in a similar
manner. Spencer features a variable flow capacity from 2ml/min. up to 5000
ml/min., set by time-controlled knobs to adjust dispensing interval times
from 0.2 to 20 seconds between cycles. Kate features a variable flow capacity
from 1 ml/min. to 3450 ml/min., set by a time-controlled knob which also
enables dispensing times from 0.2 to 20 seconds. Both units include an analog
single-turn speed control, removable line cord and a chemically-resistant
tubing pump head. Barnant Co, 1540 East Dundee Rd, Suite 250,
Palatine, IL 60067-8311. 847-934-4500. Circle 600.
 Pneumatic cylinder. The
A-EMM series of short stroke, pneumatic cylinders is designed for space-limited
applications where all fluid lines and fittings are isolated from the work
area. The cylinder has a maximum operating pressure of 300 psi and an operational
temperature range of -40° to +250°F. The cylinder is constructed
of aluminum alloy, Buna "N" O-rings and stainless steel fasteners.
They are available in single or double ended configurations. Mack
Co, 3695 East Industrial Dr, Flagstaff, AZ 86004. 520-526-1120.
Circle 602.
 Pumps
and motors. The 21° series of hydraulic pumps and motors offer a
peak pressure of 7,250 psi, allowing a controlled pressure surge when needed.
The 21° series is available in both pump and motor designs for high
pressure hydraulic uses. The series offers different pump configurations
from 28cc to 75cc for open and closed loop applications. Linde Hydraulics
Co, 5089 West Western Reserve Rd, Canfield, OH 44406. 330-533-6801.
Circle 601.
Quiet gear pump. The SILENCE gear pump with dual flank seal combines
the durability and performance of standard gear pumps. The SILENCE gear
pump is compact in size and delivers continuous high pressure. Noise levels
have been reduced by about 2-5dB(A) over a gear pump of standard design.
Bosch Automation Technology, PO Box 2025, Racine, WI 53401-2025.
414-554-7100. Circle 623.
Driver set. This driver set integrates the Smart Valve Interface
(SVI) Digital Positioner and Controller to existing or planned Asset Management
Solutions (AMS). SVI is an intelligent valve instrument which offers advanced
control technology for pneumatically actuated valves, providing higher precision,
flexibility and ease of use. The driver set allows the user to communicate
with multiple SVI's through the AMS system from a centralized location.
Dresser Valve Division, 85 Bodwell St, Avon, MA 02322. 508-586-4600.
Circle 628.
 Piston
and plunger pumps. This line of industrial pumps is constructed of forged
brass or 316SS with ratings from 1-75 GPM and 100-7000 PSI. They feature
concentric, high-density, polished, graphite-impregnated, solid ceramic
plungers with added lubrication for longer seal life. Many options such
as belt drive, gearbox, direct drive, as well as motorized flexible coupling,
clutch drive and special elastomer material are available. Cat Pumps,
1681-94th Lane NE, Minneapolis, MN 55449-4324. 612-780-5440. Circle 604.
 Water
pressure regulators. The D36 is a cast bronze body regulator available
in sizes 1/2- to 2-in.. It has a stainless steel seat ring with soft seat
design that provides tight shutoff. The D36 is ideal for domestic water
pressure reduction in high rise residential and commercial buildings. The
D36 pressure regulator handles pressures up to 300 psig @ 160°F. Spence
Engineering Co, 150 Coldenham Rd, Walden, NY 12586-2035. 914-778-5566.
Circle 603.
 Pneumatic
valve systems. This family of modular fieldbus-compatible pneumatic
valve systems is available in three size groups: S(10mm); M(18mm); and L(32mm).
They feature M5(1/8- and 1/4-in. NPT) tube and 1/4-in. tube port connections.
Available with multipin connections, this pneumatic valve system is also
compatible with fieldbus protocols including DeviceNet, Interbus S, Profibus
DP, CAN, and ASI Bus. Burkert Contromatic Inc, 2602 McGaw
Ave, Irvine, CA 92614. 714-223-3100. Circle 608.
 Pulse-free
metering pump. The QL-700 provides pulse-free continuous fluid flow,
in either the constant rate or the constant pressure operating mode. Users
requiring continuous flow of two or more fluids can use two or more units
together. Two models with maximum pressure ratings of 1,000 or 5,000 psi
are available. Flow rates range from 0.001cc/min to a maximum of 40 cc/min.
Quizix Inc, 1398 Borregas Ave, Sunnyvale, CA 94089. 408-734-4800.
Circle 607.
 Miniature pump line.
This series of miniature pumps features models as small as 1-in. x 11/16-in.
x 1-1/4-in., and pumps that offer high pressures, vacuum and flow rates.
These contaminant-free oil-less pumps provide a long, maintenance-free life.
Brushless motor powered pumps are also featured in the pump line for lighter,
balanced and smooth, low vibration operation, flow throttling and special
mounting requirements. ASF Thomas, 2100 Norcross Pkwy, Norcross,
GA 30071-3669. 770-441-3611. Circle 612.
 Multi-stage
pump. The T-series of liquid ring vacuum pumps feature multi-stage axial
flow, and extend the vacuum range well beyond many other liquid ring pump
designs. The T series is available for coupling with 2, 3 and 5HP motors,
with capacity ratings from 10 to 30 CFM @ 29-in Hg vacuum. The pump is suited
for high vacuum applications such as evaporators, autoclaves and dryers.
Atlantic Fluidics Inc, 21 South St, So Norwalk, CT 06854.
203-853-7315. Circle 611.
 Solenoid
valves. This line of solenoid valves is designed to control neutral
and aggressive fluids in chemical, food processing, pharmaceutical, electronic
and photography applications. Featuring internal and external corrosion
resistance, the valve bodies are constructed of acid-resistant PVC, polypropylene,
PVDF or Teflon. Sealing materials are of NBR, EPDM, Viton or PTFE/PTFE combinations
to provide 100% duty cycle. George Fischer Inc, 2882 Dow Ave,
Tustin, CA 92780-7285. 800-854-4090. Circle 610.
 Directional
control valve. Nugget 120 valves offer a wide range of mounting, connector,
operator and wireway features. Nugget 120 has a 0.79-in. wide body and high
flows of 1.2 Cv. The unit's Multiple Pressure System (MPS) allows valve
manifolds to be configured from 26-in. Hg vacuum to 145 psig pressure, simultaneously
supplying low and high pressures to one valve. IMI Norgren Inc,
5400 South Delaware St, Littleton, CO 80120-1663. 303-794-2611. Circle
609.
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