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Product News

Closed loop valve

This pneumatic closed loop proportional valve with On Board Electronics (OBE) has a 5/3 closed center directional control valve operated by a direct acting solenoid. The pneumatic control element consists of a spool/sleeve assembly with metallic sealing. A position transducer, connected to the armature, delivers an output signal according to the position of the valve-spool. ISO 2-size subbase mounting, pressure rating of 145 PSI, and a flow rating of 1.4 Cv are offered.

Bosch Automation Technology, 7505 Durand Ave. Box 2025, Racine, WI 53406-2025; FAX (414) 554-7117;

For Information, circle 642

Linear air compressors, vacuum pumps

Designed for a variety of applications including edema sleeves, lymphatic equipment, blood pressure cuffs, air mattresses, and flotation beds, the 6005 Series models feature quiet operation (35-38 dBA). The models are equipped with a single point hookup and all-plastic housing. Open flow rates are up to 0.45 cfm and maximum intermittent pressure ranges up to 3 psi. Low vibration is also a feature.

Thomas Industries, Box 29, Sheboygan, WI 53082-0029; FAX (920) 451-4238;

For Information, circle 641

In-line plastic needle valves

These lightweight, compact, chemical-resistant valves are available in bodies of PVC or NSF-approved white polypropylene. End fittings, which can be mixed or matched, include 10-32, 1/4-28, 1/8 and 1/4 female NPT; 1/4 NPT male; and 1/4, 3/8 and 1/2 ID barb. Push-in designs for OD tubing are also available. Buna-N seals are standard. Valves can also be supplied with Viton, Ethylene propylene, or Teflon(R)seals.

Industrial Specialties Mfg., 2741 W. Oxford Unit 6, Englewood, CO 80110; FAX (303) 761-7939;

For Information, circle 643

Constant pressure cylinders

Constant Pressure Cylinders (CPC) keep volatile trace components liquefied and the standard accurate and unchanged throughout its life. They use high pressure and a physical barrier to eliminate the headspace, keeping partially soluble gases dissolved in the liquid matrix. Fashioned from 316 stainless steel, it reportedly provides good corrosion resistance and longevity. It's designed to ensure that a single phase, non-stratified sample is injected into the gas chromatograph.

DCG, 4170A Main, Pearland, TX 77581; FAX (281) 648-1895;

For Information, circle 644

Selector valve

The SV12-60 solenoid-operated, 12-size, 6-way selector valve is rated for flows to 15 gpm in selector circuits, and flows to 8 gpm in series/parallel drive circuits at pressures up to 3,500 psi. It is a screw-in cartridge valve, which can be included in an integrated hydraulic manifold consisting of other cartridge valves and control functions. As a selector valve it is recommended for application on construction, agricultural, and materials handling equipment. As a series/parallel drive selector, it can be used on scissors lifts and other equipment.

HydraForce Inc., 500 Barclay Blvd., Lincolnshire, IL 60069; FAX (847) 793-0086;

For Information, circle 645

Rotary valve

Featuring a compact design, quarter turn handle actuation, blowout proof system, and two-way flow, this 658 Series Rotary Valve is manufactured in high strength glass reinforced polypropylene or PVC NSF conforming materials. It reportedly offers good chemical and corrosion resistance properties. Available in sizes 1/4 NPTx1/4 inch or 3/8 inch push-to-connect tube. Suggested uses include water purification, laboratory equipment, and medical OEMs.

The Specialty Mfg. Co., 5858 Centerville Rd., St. Paul, MN 55127; FAX 651-653-0989;

For Information, circle 646

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