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Fluid Power

Fluid Power

Lockout valves

T ype HE-U series lockout valves from this company are said to provide a simple and quick way to exhaust downstream pressure on pneumatic systems. When closed, the valve can be padlocked to prevent unauthorized pressurization. The valve is manually actuated, and downstream pressure is exhausted through a port at the bottom of the valve, to which a silencer can be attached to decrease noise.

Festo, 395 Moreland Rd., Box 18023, Hauppauge, NY 11788; FAX (516) 435-8026; .

Cartridge check valves

T he model 170 cartridge check valve offers an increased flow capacity of 8 gpm and incorporates a low inertia poppet design with double tapered O-ring seats to achieve a fast, positive seal. The valves reportedly offer accurate, reliable control of fluid or gas, assuring zero leakage and precise opening pressures. Custom valves can be created by specifying opening pressure, body material, O-ring, and spring material.

Smart Products Inc., 1710 Ringwood Ave., San Jose, CA 95131; FAX (408) 436-0744; .

Ball valves

Q uick-fitting ball valves are now available with polyphenylene sulfide construction, which is said to provide light weight, a variety of configuration options, and resistance to wear, chemicals, and noise. Sizes available range from 3.2 to 12.7 mm OD, and the valves can handle pressures up to 150C. Operating temperatures for the line run from 0 to 60C.

Pisco U.S.A., 2228 Landmeier Rd., Elk Grove Village, IL 60007; FAX (847) 427-1317;


S ta-Pure(TM)tubing allows for a high pressure rating of 60 psi and flow rate stability of 99.5% in the company's peristaltic pumps. Ranges of custom designed tube fittings are available. The contamination-free pumps are self-priming, dry running, reversible, do not require valves, and are recommended for clinical, diagnostic, laboratory, medical, and dispensing applications.

Watson-Marlow, 220 Ballardvale St., Wilmington, MA 01887; FAX (508) 658-0041; .


M ark VIII O-Seal fittings from this company are said to outperform tubing sections of brass, copper, steel, and stainless steel in burst tests. A leakproof connection rated up to 6,000 psi can be created, and the valves can be welded into any system using standard welding methods. The product is available in couplings, tees, elbows, and reducers in sizes ranging from 1/4 to 2 inches OD.

CPV Manufacturing, 851 Preston St., Philadelphia, PA 19104; FAX (215) 387-9043;


H ydraulic valves for a variety of automotive applications are produced by this company. The products are said to be lightweight and highly efficient, and include 2/2-way proportional servo throttle valves, unlocking system solenoids, on-off solenoids for brake boosters, on-off and proportional solenoids for cam-shaft and transmission control, and metering pump components for fuel control.

Thomas & Betts Corp., 8155 T & B Blvd., Memphis, TN 38125;


S elf-Centering Dampers from this company are said to allow controlled movement in extension and compression while providing a controlled rate of return. Applications include hydrostatic transmissions for lawn mowers, tractors, self-centering doors, amusement park rides, exercise equipment, and farm equipment. The product is designed to replace a combination of springs and levers with a single compact unit.

H. A. Guden Co., 99 Raynor Ave., Ronkonkoma, NY 11779; FAX (631) 737-2933;

3-4 way valves

T his company has introduced a new 3 and 4 way valve series. Operating at ultra low power levels the valve can be directly controlled by Bus and Foundation Fieldbus systems. The series is standard with a manual operator and is rated at 50-micron particulate air quality at 150 psi. Optional electrical connectors are Din or M12 multipin.

Asco , 50-60 Hanover Rd., Florham Park, NJ 07932; FAX (973) 966-2628; .


A shcroft(R)N-Series electronic indicating pressure switches are said by their manufacturer to provide pressure indication and switch functions in one package. Values can be read on an LED display, and the users can switch between process pressure, setpoint, and reset point. The product features the Ashcroft K Series thin film pressure sensor, and its circuit board is housed in an epoxy-coated aluminum enclosure.

Dresser Instrument, 250 E Main St., Stratford, CT 06614-5145;

Spool valve island

B y combining a number of valves into one unit, this company says that its MEGA spool valve islands can provide high performance and reliability in a small package. The product can accommodate up to 16 valves and accessories, and can be assembled without tools. It can be mounted directly on machines, in panels, or near pneumatic actuators for use in processing, packaging, process control, and textile and paper industries.

Asco, 50-60 Hanover Road, Florham Park, NJ 07932; FAX (973) 966-2628;


F astgasket(R)high-volume, one-part silicone materials are designed for use in vehicle engines and powertrains, where they seal water pumps, electrical connectors, cover plates, engine controllers, and other components. The product is also used as a cushioning material in door handles, and in headlamps, electric motors, and vehicle interiors. The material reportedly applies evenly and consistently to metal, aluminum, ceramic, and plastic.

Loctite, 1001 Trout Brook Crossing, Rocky Hill, CT 06067; FAX (860) 571-5465; .

Air filters

T his company's line of cleanable intake air filters for HVAC systems in off-road equipment is said to increase service life of equipment and cut down on maintenance costs. The products use Quadrafoam filter media ranging from 10 to 60 ppi, and can be ordered with either a customized aluminum frame or a cut-to-size filter pad.

Universal Air Filter Co., 1624 Sauget Industrial Pkwy., Sauget, IL 62206; FAX (618) 271-8808;

Valves and fittings

O -Seal System valves and fittings are rated for heavy-duty gas and liquid service and are said to provide years of leakproof operation. The design allows operators to change out valves and other components without springing or having to cut the line. The flat-faced fittings are joined in a close tolerance groove in a way that is said to use line pressure to tighten the seal.

CPV Manufacturing, 851 Preston St., Philadelphia, PA 19104; FAX (215) 387-9043;

Metering pump

T his company has designed a positive displacement fluid metering pump with no seals and only two moving parts that delivers flows of up to 35 GPM. Designed to be submerged in tanks, totes, and drums, the reliable rotary pump mounts directly in the vessel.

Iris Engineering, 200 Butterfield Drive, Suite A1, Ashland, MA 01721.


S uperthane(R)Hard Durometer tubing is now available for use in instrumentation lines, and mates with easy-to-install, push-to-connect fittings. The tubing is rated at Shore A 95 hardness, and is designed for use in pneumatic control systems, automated machinery and robots, and sensing systems. The product is available in 16 colors for applications that require color coding.

NewAge Industries, 2300 Maryland Rd., Willow Grove, PA 19090; FAX (215) 657-6594.

Sensing cylinders

E M and EP Series electronic sensing cylinders are compact while offering high-precision control. As an evolution of the company's ESP cylinder, the EM and EP cylinders feature electronics which mount outside the probe as much as 100 feet away. The electronics are replaceable, and the cylinders are sized to allow easy conversion from electro-hydraulic systems to electro-hydraulic control.

Atlas Cylinders, 29289 Airport Rd., Eugene, OR 97402, FAX (541) 689-9111.

Flow measurement

T his on-vehicle testing system can acquire flow information from a variety of sources in many automotive applications, including fluid, engine oil, coolant, or transmission flow. Additionally, for the off-road vehicle industry, the flow of hydraulic oils in power and actuator applications can be recorded. Each on-vehicle test system is programmed at the factory to meet the precise demands of individual applications based on meter and fluid.

Cox Flow Measurement, 2233 State Road, Bensalem, PA 19020; FAX (215) 639-1597; .

Hydraulic slides

E lectro pneumatic slides and lift systems are now offered by this company for use in the automotive industry. The products are said to position large parts in two, four, or multiple positions during the machining and assembly process, and to integrate well with automated welding applications. The slides can handle payloads up to 5,000 lbs and travel up to 36 inches.

Hydro-Line; FAX (815) 654-3393.

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