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new releases
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Vortex flowmeters
Ashahi/America Inc., Malden, MA
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A catalog describes and provides specifications for Universal Vortex flowmeters, which provide repeatable ±1-percent accuracy with fluid contamination because they have no moving parts. Pipeline flow rates are measured electronically using vortex shedding technology.
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Dispensing valve
EFD Dispense Valve Systems, East Providence, R.I.
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The benefits of this company's low-maintenance 752V-UH valve in cyanoacrylate dispensing systems is outlined in a brochure. 752V-UH has no pinch tubes or seals to wear out and leak. A fast-acting polymer diaphragm is included to provide millions of cycles.
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Gears
Comair Rotron, San Ysidro, Calif.Designatronics Inc., New Hyde Park, N.Y.
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"Handbook of Gears, D190" is a 496-page handbook that describes more than 13,000 small, off-the-shelf, inch and metric commercial and precision-tolerance gears of nearly every type. A highlight is a 138-page technical section containing 122 tables and illustrations.
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Centrifugal pumps
Vanton Pump & Equipment Corp., Hillside, N.J.
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Catalog 11.03A describes a line of CGA totally armored nonmetallic pumps for flows to 1,450 gpm, heads to 280 ft, and temperatures to 275°F. Eight pump sizes are available with all liquid-end components molded of PP, PVC, CPVC, PVDF, and ECTFE.
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Instruments
LEM Instruments Inc., Torrance, Calif.
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A 32-page color catalog describes this company's line of handheld and clamp-on multimeters, flexible current probes, safety-control test instruments, and chart recorders. The catalog includes information on the use of digital multimeters and background on the Hall effect sensors used in clamp-on multimeters and ac/dc current probes.
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Power products
Hewlett-Packard Co., Palo Alto, Calif.
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"10 Practical Tips You Need to Know about Your Power Products," literature 5965-8239E, is a booklet designed to provide power-product engineers with helpful hints for enhancing power-product operation and using measurement capabilities. Shortcuts and recommendations include the following areas: using remote sensing,charging/discharging batteries, understanding down-programming, and characterizing ac inrush current.
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Heated-part concept
Watlow Electric Manufacturing Co., St. Louis, Mo.
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A brochure and eight-minute video describe this company's heated-part concept, based on a custom cast-in aluminum heater assembly that is manufactured to customer specifications.
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Self-
clinching fasteners
Penn Engineering & Manufacturing Corp., Danboro, Pa.
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A four-page bulletin includes specifications, performance information, and installation data on PEM self-locking, self-clinching fasteners, designed with the PEMFLEX feature, that meet the prevailing torque specification of MIL-N-25027. The fasteners (types LK/LKS/LKA) are available in steel, stainless steel, or aluminum for use in metal sheets as thin as 1 mm.
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Ball valves
Durco International, Cookeville, Tenn.
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The Durco Microfinish ball valve is described in a brochure. The valve offers a stem-sealing system to enhance life-cycle capability—more than 100,000 cycles without steam leakage—while reducing turning torque.
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Controls and gauges
Dwyer Instruments Inc., Michigan City, Ind.
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The 1998 catalog provides specifications and pricing for products designed to monitor and control pressure, flow, level, and temperature. More than 65 products have been added since the last edition of the catalog.
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Rotary-
screw compressors
Aerzen USA, Coatesville, Pa.
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A product brochure describes this company's single-stage oil-free, air-cooled rotary-screw compressors. All the features and benefits of the Delta screw VM/VML series are included, as are descriptions of standard equipment and accessories, dimensional drawings, and specifications for the 13 available models.
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Cams/
camshafts machining capability
Eonic Inc., Detroit, Mich.
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A 12-page color brochure describes this company's precision machining and assembly capabilities for the production of cams, camshafts, and other components. The brochure is illustrated with photos of the facilities and equipment of the CAD/CAM department and many of the parts and services offered.
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Linear-/
rotary-
positioning fixtures
Velmex Inc., Bloomfield, N.Y.
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The 40-page "1997Ð98 Manual Uni-Slide" catalog describes more than 950 linear- and rotary-positioning fixtures for use in production, testing, or R&D. Many styles of linear slides are available, including plain slides and slides with engraved scales.
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Centrifugal compressors
Dresser-Rand Turbo Products Division, Olean, N.Y.
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The DATUM line of centrifugal compressors is described in a 24-page bulletin, translated into Russian. The bulletin includes specification information as well as details on key components and service and maintenance features.
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Tube-
in-tube products
Exergy Inc., Hanson, Mass.
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A four-page brochure describes this company's expanded tube-in-tube product family. In addition to these products, the company offers miniature shell-and-tube heat exchangers for laboratory, pilot-plant, and low-flow production processes.
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© 1997 by The American Society of Mechanical Engineers
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