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Product News

Product News

Peristaltic pumps

MityFlex TM pumps, for food and beverage, chemical, water purification, and wastewater treatment industries, are sealless and self-priming, with consistent positive displacement. They are capable of handling a wide variety of viscosities from gases to heavy slurries. The pumps feature variable speed controls with flow rates ranging from 0.04 to 3,800 m(liter)/min. Ac voltages range from 24 to 240V in 60 or 50 Hz, and in 12 and 24V dc. Custom orders can be met to fit specific OEM engineering requirements.

Anko Products, 3007 29th Ave., E. Bradenton, FL 34208; FAX (941) 748-2307; www.ankoproducts.com.

For Information, circle 637

3,000 psi cylinder

Rated to 3,000 psi working pressure and designed for tough applications, this cylinder uses upgraded castings and heavy duty seals. Other features include: 2- through 4-inch bore, SAE (ORB) ports for durability; heavier castings for greater strength; ductile rod and base clevis castings; ductile head (3- inch and larger bore); hardened steel pins; wear ring with Teflon seal on piston; double lipped polyurethane u-cup rod seal; and extensive cycle testing.

Cross Manufacturing Inc., 100 Factory St., Lewis, KS 67552; FAX (316) 324-5737; www.crossmfg.com.

For Information, circle 638

Micro pump

The self-priming 5m(liter) micro pump is designed to provide OEM designers and manufactures of scientific and electronic instrumentation with compact, reliable, and economical components for handling programmed, precision-controlled micro dispensing of high purity or aggressive fluids. The fixed displacement diaphragm pump can be factory set to handle discrete fixed output flows in volumes from 3 to 8 (m(liter)) per solenoid actuation to provide an inert fluid path for precise, repeatable dispensing with an accuracy of 0.5 (m(liter)).

Bio-Chem Valve, 85 Fulton St., Boonton, NJ 07005; FAX (973) 263-2880; www.bio-chemvalve.com.

For Information, circle 639

Floating-caliper brake

The new Spring-Applied, Hydraulically-Released (SAHR) Floating Caliper Disc Brake is designed to be used as a parking and emergency brake. The SAHR is released by continuous fluid pressure under normal operating conditions. A drop in this release pressure-due to actuation of the brake valve, or failure of the pressure-supply system-initiates an integrated spring for safe-breaking operation. The brake has a maximum clamping force ranging from 4,370 to 7,420 lbs and torque ranges from 17,170 to 80,190 ft-lbs.

Knott Brake, 4930 Chippewa Rd., Medina, OH 44256; www.knottbrake.com.

For Information, circle 640

Air gun

The shockless Ion Air Gun neutralizes static electricity and cleans at distances of 15 ft. It induces surrounding airflow through the gun at a ratio of 5:1, minimizing compressed air use and maximizing ionized airflow. The force can be adjusted from a "blast" to a "breeze." A comfortable grip and hand position allows hours of continuous use without fatigue. Applications include cleaning molded parts, prepaint dust removal, furniture finishing, and package cleaning prior to labeling or printing.

Exair Corp., 1250 Century Circle North, Cincinnati, OH 45246-3309; FAX (513) 671-3363; www.exair.com.

For Information, circle 641

Miniature check valves

All metal construction ball type check valves are available in brass or stainless steel and are suitable for use with liquids or gases. The fixed flow controls are a parallel arrangement of a ball check valve and a precision orifice. Free flow occurs in one direction, metered flow occurs in the opposite direction. Fixed flow controls are tamperproof and insure unchanged operation. The valves and controls are manufactured with 10 to 32 threaded connections, 1/8 and 1/4 inch NPT threads, and press-in inserts

O'Keefe Controls, Box Q, Trumbull, CT 06611; FAX (203) 261-8331; www.okcc.com.

For Information, circle 642

Pilot actuated valves

The PAV-2/PAV-3 pilot actuated poppet valves are brass and available in either 2-way or 3-way configurations, normally closed or open with #10-32 or 1/8 NPT ports. With supply air to the poppet valve, valve function is controlled by the pilot. The valve is accuated by supplying a minimum pilot pressure of 15 psig. In 3-way versions, exhaust is ported through the hole at the base of the mounting thread.

Clippard Instrument Laboratory, 7390 Colerain Rd., Cincinnati, OH 45239; FAX (513) 521-4464; www.clippard.com.

For Information, circle 643

Directional control valves

New 5-ported, 3-position, 4-way air valves are available with 1/4 or 3/8 NPT ports and choice of spools: all ports blocked in center position for use on conventional block-and-hold circuits; and float center spool with only the inlet port blocked in center position for use when cylinder piston must be free to float with manual or machine movement. Pre-lubed from the factory, the valves can operate to 150 psi. A Cv factor of 1.0 allows 56.2 SCFM free flow to atmosphere at 80 psi supply pressure.

Fabco-Air, 3716 NE 46th Ave., Gainesville, FL 32602-1699; FAX (352) 375-8024; www.fabco-air.com.

For Information, circle 644

Electro-hydraulic actuators

Features of the GoldLine series Electro-Hydraulic actuators include: rugged manifold technology, easy setup, 1 to 8 inch stroke lengths, continuous modulating duty at 100% duty cycle, and a variety of options from 4-200 mA feedback to adjustable position switches and a manual handpump. The units provide up to 2,000 ft-lbs of torque, while the linear models have thrust to 12,000 lbs.

Jordan Controls, 5607 West Douglas Ave, Milwaukee, WI 53218; FAX (414) 461-1024; www.jordancontrols.com.

For Information, circle 645

Hydraulic toolholders

The new line of Hydracentric TM hydraulic toolholders designed for difficult milling operations features radial repeatability of plus or minus 0.00008 inch and also incorporates powerful hydraulic gripping with slim toolholder nose diameter. Available in a complete range of HSK, BT, and V-Flange shank styles, these hydraulic grip holders produce 360 degrees uniform pressure, clamping tools concentrically with uniform contact over the full length of the tool engagement.

Command Tooling Systems, 13931 Sunfish Lake Blvd., Ramsey, MN 55303; FAX (800) 555-7694; www.commandtool.com.

For Information, circle 646

Variable volume pumps

The LPV Series variable volume pumps are designed to replace conventional syringe and peristaltic pumps. Reportedly, they offer the accuracy and precision of the conventional syringe pumps in a smaller, lighter package. The coefficient of variation is only .04% at full stroke. The variable dispense volume provided by the pumps yields greater system design flexibility and the design allows the pump to be located wherever the fluidic requirements dictate, regardless of maintenance accessibility.

The Lee Company, 2 Pettipaug Rd. Box 424, Westbrook, CT 06498-0424; FAX (860) 399-2270; www.theleeco.com.

For Information, circle 647

Flow regulators

Pressure Compensated Flow Control (PCFC) flow regulators are designed to satisfy applications that require a constant volumetric flow rate regardless of pressure fluctuations. By maintaining the differential pressure across a restriction at a fixed value, the flow rate remains constant. Functionally, this principle requires two restrictions, one variable (a piston), and one fixed (a needle valve set to the desired flow rate).

Beswick Engineering, 284 Ocean Rd., Greenland, NH 03840; FAX (603) 433-3313; www.beswick.com.

For Information, circle 648

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